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Copy path【YGG】OI部分常用模板.cpp
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【YGG】OI部分常用模板.cpp
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//by YGG
//负环
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200100;
const int MAXE = 400400;
const int INF = 0x3f3f3f3f;
struct Edge {
int to, nxt, len;
Edge() {}
Edge(int _to, int _nxt, int _len) : to(_to), nxt(_nxt), len(_len) {}
}E[MAXE << 1];
int h[MAXN], d[MAXN], cnt, S[MAXN], n, m, T;
bool vis[MAXN], flag;
inline void add_edge(int x, int y, int v) {
E[++cnt] = Edge(y, h[x], v), h[x] = cnt;
}
void SPFA(int x) {
vis[x] = 1;
for(int i = h[x]; i; i = E[i].nxt) {
int v = E[i].to;
if(d[v] > d[x] + E[i].len) {
d[v] = d[x] + E[i].len;
if(!vis[v])
SPFA(v);
else {
flag = 1;
return ;
}
}
}
vis[x] = 0;
return ;
}
signed main() {
scanf("%d", &T);
while(T--) {
flag = 0; cnt = 0;
scanf("%d%d", &n, &m);
memset(h, 0, sizeof(h));
memset(d, 0, sizeof(d));
memset(vis, 0, sizeof(vis));
for(int i = 1, a, b, c; i <= m; i++) {
scanf("%d%d%d", &a, &b, &c);
add_edge(a, b, c);
if(c >= 0) add_edge(b, a, c);
}
for(int i = 1; i <= n; i++) {
SPFA(i);
if(flag)
break;
}
if(flag) printf("YE5\n");
else printf("N0\n");
}
return 0;
}
//ST表
#include <bits/stdc++.h>
using std::max;
using std::min;
const int MAXN = 200100;
const int INF = 0x7FFFFFFF;
#define Get(x) (int) log2(x) + 1
#define Debug(...) fprintf(stderr, __VA_ARGS__)
template <typename T> inline void Read(T &x) {
int c = getchar();
bool f = false;
for (x = 0; !isdigit(c); c = getchar()) {
if (c == '-') {
f = true;
}
}
for (; isdigit(c); c = getchar()) {
x = x * 10 + c - '0';
}
if (f) {
x = -x;
}
}
template <typename T> inline bool CheckMax(T &a, const T &b) {
return a < b ? a = b, true : false;
}
template <typename T> inline bool CheckMin(T &a, const T &b) {
return a > b ? a = b, true : false;
}
int f[MAXN][20];
int a[MAXN], n;
int Q;
void init() {
for(int i = 1; i <= n; i++) f[i][0] = a[i];
for(int j = 1; (1 << j) <= n; j++) {
for(int i = 1; i + (1 << j) - 1 <= n; i++) {
f[i][j] = max(f[i][j - 1], f[i + (1 << (j - 1))][j - 1]);
}
}
}
int query(int l, int r) {
int p = 0; while((1 << (p + 1)) <= (r - l + 1)) p++;
return max(f[l][p], f[r - (1 << p) + 1][p]);
}
signed main() {
Read(n), Read(Q);
for(int i = 1; i <= n; i++) Read(a[i]);
init();
while(Q --) {
int l, r; Read(l), Read(r);
printf("%d\n", query(l, r));
}
#ifdef LOCAL
Debug("My Time: %.3lfms\n", (double)clock() / CLOCKS_PER_SEC);
#endif
return 0;
}
//Manacher
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
const int MAXN = 51000000;
char s1[MAXN], s2[MAXN];
int len1, len2, ans;
int p[MAXN];
void init() {
len1 = (int)strlen(s1);
s2[0] = '$';
s2[1] = '#';
for(int i = 0; i < len1; i++) {
s2[2 * i + 2] = s1[i];
s2[2 * i + 3] = '#';
}
len2 = len1 * 2 + 2;
s2[len2] = '&';
}
void manacher() {
int id = 0, mx = 0;
for(int i = 1; i < len2; i++) {
if(mx > i) p[i] = min(p[2 * id - i], mx - i);
else p[i] = 1;
while(s2[i + p[i]] == s2[i - p[i]]) p[i]++;
if(i + p[i] > mx) {
mx = i + p[i];
id = i;
}
}
}
signed main() {
scanf("%s", s1);
init();
manacher();
ans = 0;
for(int i = 1; i < len2; i++) ans = max(ans, p[i] - 1);
printf("%d\n", ans);
return 0;
}
//线性基
#include <bits/stdc++.h>
using namespace std;
#define LL long long
const int MAXN = 110;
LL bit[MAXN];
int n;
LL a[MAXN], tot, delta;
void Gauss() {
tot = delta = 0LL;
for(LL i = bit[60]; i; i >>= 1) {
int j = tot + 1;
while(!(i & a[j]) && j <= n) j++;
if(j == n + 1) continue;
tot++;
swap(a[tot], a[j]);
for(int k = 1; k <= n; k++) {
if(k != tot && (a[k] & i))
a[k] ^= a[tot];
}
}
if(tot != n) delta = 1;
}
signed main() {
bit[0] = 1; for(int i = 1; i <= 62; i++) bit[i] = (bit[i - 1] << 1);
scanf("%d", &n);
for(int i = 1; i <= n; i++) scanf("%lld", a + i);
Gauss(); LL res = 0;
for(int i = 2; i <= tot; i++) a[i] ^= a[i - 1];
printf("%lld\n", a[tot]);
return 0;
}
//sort by Splay
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 500500;
const int INF = 0x3f3f3f3f;
int n, m, M = -INF;
int a[MAXN];
struct Splay {
int sz[MAXN], key[MAXN], sum[MAXN], ch[MAXN][2], fa[MAXN], root, tot;
void clear(int x) {
ch[x][0] = ch[x][1] = fa[x] = sz[x] = sum[x] = key[x] = 0;
}
int Reflect(int x) {
int cur = root;
while(1) {
if(key[cur] == x) return cur;
else if(key[cur] > x) cur = ch[cur][0];
else cur = ch[cur][1];
}
}
int Get(int x) {
return ch[fa[x]][1] == x;
}
void update(int x) {
if(x) {
sz[x] = 0; sz[x] += sum[x];
if(ch[x][0]) sz[x] += sz[ch[x][0]];
if(ch[x][1]) sz[x] += sz[ch[x][1]];
}
}
void Rotate(int x) {
int y = fa[x], z = fa[y], w = Get(x);
ch[y][w] = ch[x][w ^ 1]; fa[ch[y][w]] = y;
ch[x][w ^ 1] = y; fa[y] = x; fa[x] = z;
if(z) ch[z][ch[z][1] == y] = x;
update(y), update(x);
}
void splay(int x) {
for(int F; (F = fa[x]); Rotate(x))
if(fa[F]) Rotate(Get(x) == Get(F) ? F : x);
root = x;
}
void insert(int x) {
if(!root) {
root = ++tot, ch[root][0] = ch[root][1] = 0; key[root] = x, sz[root] = sum[root] = 1;
return ;
}
int now = root, F = 0;
while(1) {
if(x == key[now]) {
sum[now] ++; update(now);
update(F); splay(now); return ;
}
F = now, now = ch[now][x > key[now]];
if(!now) {
tot++;
ch[tot][0] = ch[tot][1] = 0; key[tot] = x, sz[tot] = sum[tot] = 1; fa[tot] = F;
ch[F][x > key[F]] = tot;
update(F);
splay(tot);
break;
}
}
return ;
}
void del(int x) {
splay(Reflect(x));
if(sum[root] - 1) {
sum[root] --; update(root); return ;
}
if(!ch[root][0] && !ch[root][1]) {
clear(root), root = 0;
return ;
}
if(!ch[root][0]) {
int cur = root; root = ch[root][1]; fa[root] = 0;
clear(cur); return ;
}
else if(!ch[root][1]) {
int cur = root; root = ch[root][0]; fa[root] = 0;
clear(cur); return ;
}
int rep = pred(x), cur = root;
splay(rep); ch[root][1] = ch[cur][1];
fa[ch[cur][1]] = root;
clear(cur); return ;
}
int pred(int x) {
insert(x);
int v = ch[root][0];
while(ch[v][1]) {
v = ch[v][1];
}
del(x);
return v;
}
int succ(int x) {
insert(x);
int v = ch[root][1];
while(ch[v][0]) {
v = ch[v][0];
}
del(x);
return v;
}
int Find(int x) {
int ret = 0, cur = root;
while(1) {
if(key[cur] > x) cur = ch[cur][0];
else {
ret += sz[ch[cur][0]];
if(x == key[cur]) {
splay(cur); return ret + 1;
}
ret += sum[cur], cur = ch[cur][1];
}
}
}
int Find_x(int x) {
int cur = root;
while(1) {
if(ch[cur][0] && sz[ch[cur][0]] >= x) cur = ch[cur][0];
else {
if(sz[ch[cur][0]] + sum[cur] < x) {
x -= sz[ch[cur][0]] + sum[cur];
cur = ch[cur][1];
}
else return key[cur];
}
}
}
void print(int x) {
if(ch[x][0]) print(ch[x][0]);
while(sum[x] --) {
if(key[x] != M) {
printf("%d ", key[x]);
}
else {
printf("%d%c", key[x], sum[x] == 0 ? '\n' : ' ');
}
}
if(ch[x][1]) print(ch[x][1]);
}
}S;
signed main() {
read(n);
for(int i = 1; i <= n; i++) {
read(a[i]); M = max(M, a[i]);
S.insert(a[i]);
}
S.print(S.root);
return 0;
}
//并查集 & 最小生成树
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <algorithm>
#include <cstring>
#define ll long long
using namespace std;
inline int read()
{
int x=0; char ch=getchar();
while(ch<'0'||ch>'9')ch=getchar();
while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
return x;
}
int ans;
struct Node
{
int u,v; int len;
Node(int x1=0,int x2=0,int x3=0):u(x1),v(x2),len(x3){};
}Road[200005];
bool cmp(const Node& Road1,const Node& Road2)
{
return Road1.len<Road2.len;
}
int f[40005];
int Find(int x)
{
if(f[x]==x)return x;
else return f[x]=Find(f[x]);
}
int n,m;
int rnk[40005];
void unite(int x,int y)
{
x=Find(x); y=Find(y);
if(x==y) return;
if(rnk[x]<rnk[y]) f[x]=y;
else
{
f[y]=x;
if(rnk[x]==rnk[y]) rnk[x]++;
}
}
int main()
{
n=read();m=read();
for(int i=1;i<=m;i++)
{
int u,v;int len;
scanf("%d%d%d",&u,&v,&len);
Road[i]=Node(u,v,len);
}
sort(Road+1,Road+m+1,cmp);
int sum=0;
for(int i=1;i<=n;i++)
f[i]=i;
for(int i=1;i<=m;i++)
{
int u=Road[i].u;
int v=Road[i].v;
int len=Road[i].len;
if(Find(u)!=Find(v))
{
unite(u,v);
ans+=len;
sum++;
}
}
if(sum<n-1)
printf("orz\n");
else
printf("%d\n",ans);
return 0;
}
//乘法逆元
#include <cstdio>
#include <algorithm>
using namespace std;
const int MAXN = 20000528;
int fac[MAXN + 3], inv[MAXN + 3];
int mod;
void init() {
fac[0] = 1;
for(int i = 1; i < mod; i++) fac[i] = (long long)fac[i - 1] * i % mod;
inv[0] = inv[1] = 1;
for(int i = 2; i < mod; i++) inv[i] = (long long)(mod - mod / i) * inv[mod % i] % mod;
}
int main() {
int n;
scanf("%d%d", &n, &mod);
init();
for(int i = 1; i <= n; i++) printf("%d\n", inv[i]);
return 0;
}
//后缀排序
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
using namespace std;
const int MAXN = 3010100;
char s[MAXN];
int * x, * y;
int a[MAXN], fir[MAXN], sec[MAXN];
int rnk[MAXN], sa[MAXN], h[MAXN], len, n, sum[MAXN];
void init() {
x = rnk; y = sec;
len = strlen(s + 1);
for(int i = 1; i <= len; i++) a[i] = (int) s[i];
}
inline void radix_sort(int * f) {
memset(sum, 0, sizeof(sum));
for(int i = 1; i <= len; i++) sum[f[i]] ++;
for(int i = 1; i <= n; i++) sum[i] += sum[i - 1];
for(int i = len; i; i--) sa[sum[f[i]] --] = y[i];
}
void SA() {
int i, j, p; n = 255;
memset(sum, 0, sizeof(sum));
for(i = 1; i <= len; i++) sum[(x[i] = a[i])] ++;
for(i = 1; i <= n; i++) sum[i] += sum[i - 1];
for(i = len; i; i--) sa[sum[x[i]] --] = i;
for(j = 1, p = 1; p < len; j <<= 1, n = p) {
for(i = len - j + 1, p = 0; i <= len; i++) y[++p] = i;
for(i = 1; i <= len; i++) (sa[i] - j > 0) && (y[++p] = sa[i] - j);
for(i = 1; i <= len; i++) fir[i] = x[y[i]];
radix_sort(fir);
swap(x, y); x[sa[1]] = 1;
for(i = 2, p = 1; i <= len; i++) {
if((y[sa[i - 1]] != y[sa[i]]) || (y[sa[i] + j] != y[sa[i - 1] + j]))
p++;
x[sa[i]] = p;
}
}
for(i = 1; i <= len; i++) rnk[sa[i]] = i;
}
inline void GetH() {
int k = 0;
for(int i = 1; i <= len; i++) {
if(rnk[i] == 1) h[rnk[i]] = 0;
else {
int j = sa[rnk[i] - 1];
while(a[i + k] == a[j + k]) k++;
h[rnk[i]] = k;
if(k > 0) k--;
}
}
}
inline void print() {
for(int i = 1; i <= len; i++)
printf("%d%c", sa[i], i == len ? '\n' : ' ');
}
signed main() {
scanf("%s", s + 1);
init();
SA();
GetH();
print();
return 0;
}
//线段树SegmentTree
#include <bits/stdc++.h>
#define Ls(x) x << 1
#define Rs(x) x << 1 | 1
using namespace std;
int n, m;
long long mod;
const int MAXN = 100000 + 10;
long long a[MAXN];
inline int read()
{
int ch, x = 0, f = 1;ch = getchar();
while((ch < '0' || ch > '9') && ch != '-') ch = getchar();
ch == '-' ? f = -1, ch = getchar() : 0;
while(ch >= '0' && ch <= '9') {
x = x * 10 + ch - '0';
ch = getchar();
}
return f * x;
}
inline long long readl()
{
long long ch, x = 0, f = 1;ch = getchar();
while((ch < '0' || ch > '9') && ch != '-') ch = getchar();
ch == '-' ? f = -1, ch = getchar() : 0;
while(ch >= '0' && ch <= '9') {
x = x * 10 + ch - '0';
ch = getchar();
}
return f * x;
}
struct SegmentTree{
int l, r, len;
long long tag;
long long mult;
long long val;
SegmentTree()
{
tag = 0;val = 0;mult = 1;
l = r = len = 0;
}
}tre[MAXN << 2];
void build(int rt, int l, int r)
{
tre[rt].l = l, tre[rt].r = r, tre[rt].len = r - l + 1;
if(l == r) {
tre[rt].val = a[l];
return ;
}
int mid = (l + r) >> 1;
build(Ls(rt), l, mid);
build(Rs(rt), mid + 1, r);
tre[rt].val = (tre[Ls(rt)].val + tre[Rs(rt)].val) % mod;
}
void push_down(int rt) {
tre[Ls(rt)].mult = tre[Ls(rt)].mult * tre[rt].mult % mod;
tre[Ls(rt)].tag = (tre[Ls(rt)].tag * tre[rt].mult + tre[rt].tag) % mod;
tre[Ls(rt)].val = (tre[Ls(rt)].val * tre[rt].mult + tre[rt].tag * (tre[Ls(rt)].len)) % mod;
tre[Rs(rt)].mult = tre[Rs(rt)].mult * tre[rt].mult % mod;
tre[Rs(rt)].tag = (tre[Rs(rt)].tag * tre[rt].mult + tre[rt].tag) % mod;
tre[Rs(rt)].val = (tre[Rs(rt)].val * tre[rt].mult + tre[rt].tag * (tre[Rs(rt)].len)) % mod;
tre[rt].mult=1;tre[rt].tag=0;
}
void update(int rt, int L, int R, long long delta, int k) {
int l = tre[rt].l, r = tre[rt].r;
int mid = (l + r) >> 1;
if(l >= L && r <= R) {
if(k == 2) {
tre[rt].tag = (tre[rt].tag + delta) % mod;
tre[rt].val = (tre[rt].val + delta * tre[rt].len) % mod;
}
else {
tre[rt].mult = tre[rt].mult * delta % mod;
tre[rt].tag = tre[rt].tag * delta % mod;
tre[rt].val = tre[rt].val * delta % mod;
}
return ;
}
if(tre[rt].mult != 1 || tre[rt].tag ) push_down(rt);
if(L <= mid) update(Ls(rt), L, R, delta, k);
if(R > mid) update(Rs(rt), L, R, delta, k);
tre[rt].val = (tre[Ls(rt)].val + tre[Rs(rt)].val) % mod;
return ;
}
long long query(int rt, int L, int R) {
int l = tre[rt].l, r = tre[rt].r;int mid = (l + r) >> 1;
if(l >= L && r <= R) {
return tre[rt].val;
}
if(tre[rt].mult != 1 || tre[rt].tag ) push_down(rt);
long long res = 0;
if(L <= mid) res += query(Ls(rt), L, R);
if(mid < R) res += query(Rs(rt), L, R);
return res % mod;
}
signed main()
{
n = read();m = read();mod = readl();
for(int i = 1; i <= n; i++) a[i] = readl();
build(1, 1, n);
for(int i = 1, opt, l, r; i <= m; i++) {
opt = read(); l = read(); r = read();
long long dif;
if(opt == 3) {
printf("%lld\n", query(1, l, r));
}
else {
dif = readl();
update(1, l ,r, dif, opt);
}
}
return 0;
}
//树链剖分带修改
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int MAXN = 500005;
inline int read() {
int ch, x = 0, f = 1;ch = getchar();
while((ch < '0' || ch > '9') && ch != '-') ch = getchar();
ch == '-' ? f = -1, ch = getchar() : 0;
while(ch >= '0' && ch <= '9') {
x = x * 10 + ch - '0';
ch = getchar();
}
return f * x;
}
int A[MAXN], B[MAXN];
int n, m, sta, mod;
#define Ls(x) (x << 1)
#define Rs(x) (x << 1 | 1)
struct SegmentTree{
int l, r, len;
long long tag;
long long mult;
long long val;
SegmentTree()
{
tag = 0;val = 0;mult = 1;
l = r = len = 0;
}
}tre[MAXN << 2];
void build(int rt, int l, int r)
{
tre[rt].l = l, tre[rt].r = r, tre[rt].len = r - l + 1;
if(l == r) {
tre[rt].val = B[l];
return ;
}
int mid = (l + r) >> 1;
build(Ls(rt), l, mid);
build(Rs(rt), mid + 1, r);
tre[rt].val = (tre[Ls(rt)].val + tre[Rs(rt)].val) % mod;
}
void push_down(int rt) {
//tre[Ls(rt)].mult = tre[Ls(rt)].mult * tre[rt].mult % mod;
tre[Ls(rt)].tag = (tre[Ls(rt)].tag + tre[rt].tag) % mod;
tre[Ls(rt)].val = (tre[Ls(rt)].val + tre[rt].tag * (tre[Ls(rt)].len)) % mod;
//tre[Rs(rt)].mult = tre[Rs(rt)].mult * tre[rt].mult % mod;
tre[Rs(rt)].tag = (tre[Rs(rt)].tag + tre[rt].tag) % mod;
tre[Rs(rt)].val = (tre[Rs(rt)].val + tre[rt].tag * (tre[Rs(rt)].len)) % mod;
tre[rt].tag=0;
}
void update(int rt, int L, int R, long long delta) {
int l = tre[rt].l, r = tre[rt].r;
int mid = (l + r) >> 1;
if(l >= L && r <= R) {
tre[rt].tag = (tre[rt].tag + delta) % mod;
tre[rt].val = (tre[rt].val + delta * tre[rt].len) % mod;
return ;
}
if(tre[rt].mult != 1 || tre[rt].tag ) push_down(rt);
if(L <= mid) update(Ls(rt), L, R, delta);
if(R > mid) update(Rs(rt), L, R, delta);
tre[rt].val = (tre[Ls(rt)].val + tre[Rs(rt)].val) % mod;
return ;
}
long long query(int rt, int L, int R) {
int l = tre[rt].l, r = tre[rt].r;int mid = (l + r) >> 1;
if(l >= L && r <= R) {
return tre[rt].val;
}
if(tre[rt].mult != 1 || tre[rt].tag ) push_down(rt);
long long res = 0;
if(L <= mid) res += query(Ls(rt), L, R);
if(mid < R) res += query(Rs(rt), L, R);
return res % mod;
}
struct Edge {
int to, len, nxt;
Edge() {}
Edge(int _to, int _len, int _nxt):to(_to), len(_len), nxt(_nxt) {}
}E[MAXN << 1];
int h[MAXN], cnte, tot, cnt;
int val[MAXN];
int a[MAXN];
int Lr[MAXN], Rr[MAXN];
int dep[MAXN], fa[MAXN], sz[MAXN], top[MAXN], son[MAXN],ID[MAXN];
inline void add_edge(int u, int v, int w) {
E[++cnte] = Edge(v, w, h[u]), h[u] = cnte;
E[++cnte] = Edge(u, w, h[v]), h[v] = cnte;
}
void dfs1(int x) {
sz[x] = 1; dep[x] = dep[fa[x]] + 1;
for(int i = h[x]; i; i = E[i].nxt) {
int to = E[i].to;
if(to == fa[x]) continue;
fa[to] = x;val[x] = E[i].len;
dfs1(to);
sz[x] += sz[to];
if(sz[to] > sz[son[x]]) son[x] = to;
}
}
void dfs2(int x) {
Lr[x] = ++tot;
B[Lr[x]] = a[x];
if(x == son[fa[x]]) top[x] = top[fa[x]];
else top[x] = x;
if(son[x]) dfs2(son[x]);
for(int i = h[x]; i; i = E[i].nxt) {
int to = E[i].to;
if(to == fa[x] || to == son[x]) continue;
dfs2(to);
}
Rr[x] = tot;
}
void up(int a, int b, int c) {
int f1 = top[a], f2 = top[b];
while(f1 != f2) {
if(dep[f1] < dep[f2]) { swap(a, b); swap(f1, f2); }
update(1, Lr[f1], Lr[a], c);
a = fa[f1];
f1 = top[a];
}
if(dep[a] > dep[b]) swap(a, b);
update(1, Lr[a], Lr[b], c);
}
int qsum(int x, int y) {
int ans=0;
while(top[x] != top[y])
{
if(dep[top[x]] < dep[top[y]])swap(x, y);
ans += query(1,Lr[top[x]], Lr[x]);
x = fa[top[x]];
}
if(dep[x]<dep[y])swap(x, y);
ans+=query(1,Lr[y],Lr[x]);
return ans;
}
signed main() {
n = read(), m = read(), sta = read(), mod = read();
for(int i = 1; i <= n; i++) a[i] = read();
for(int i = 1; i < n; i++) add_edge(read(), read(), 0);
dfs1(sta);
dfs2(sta);
int x, y, z, opt;
build(1, 1, tot);
while(m--) {
opt = read();
if(opt == 1) {
x = read(), y = read(), z = read();
up(x, y, z);
}
else if(opt == 2) {
x = read(); y = read();
printf("%d\n", qsum(x, y) % mod);
}
else if(opt == 3) {
x = read(); z = read();
update(1, Lr[x], Rr[x], z);
}
else {
x = read();
printf("%d\n", query(1, Lr[x], Rr[x]) % mod);
}
}
return 0;
}
//矩阵快速幂
#include <stdio.h>
#include <string.h>
#include <algorithm>
const int MAXN = 101;
const int mod = 1000000007;
int n;
long long k;
inline long long read()
{
char ch;long long x = 0ll;long long f = 1ll;ch=getchar();
while (ch!='-'&&(ch<'0'||ch>'9'))
ch=getchar();
ch=='-'?f=-1ll:x=ch-'0',ch=getchar();
while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
return x*f;
}
struct Mat {
long long mat[MAXN][MAXN];
};
Mat operator * (Mat a, Mat b) {
Mat c;
memset(c.mat, 0, sizeof(c.mat));
for(int i = 0; i < n; i++) {
for(int k = 0; k < n; k++) {
for(int j = 0; j < n; j++) {
c.mat[i][j] += (a.mat[i][k] % mod) * (b.mat[k][j] % mod) % mod;
c.mat[i][j] %= mod;
}
}
}
return c;
}
Mat operator ^ (Mat a, long long k) {
Mat c;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++) c.mat[i][j] = (i == j);
while(k) {
if(k & 1) c = c * a;
a = a * a;
k >>= 1;
}
return c;
}
signed main()
{
scanf("%d%lld", &n, &k);
Mat MMat;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
MMat.mat[i][j] = read();
MMat = MMat ^ k;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
j == n - 1 ? printf("%d\n", MMat.mat[i][j]) : printf("%d ", MMat.mat[i][j]);
return 0;
}
//网络流isap
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <queue>
#include <functional>
#define DBG printf("problems are here!!!!!\n");
const int MAXN = 100100;
const int MAXE = 400400;
const int INF = 0x3f3f3f3f;
using std::min;
using std::max;
using std::queue;
template<class T>void read(T &x) {
x = 0;int f = 0;int ch = getchar();
while(ch < '0' || ch > '9') {f |= (ch == '-'); ch = getchar();}
while(ch >= '0'&&ch <= '9'){x = x * 10+(ch^48); ch = getchar();}
x = f?-x:x;
return;
}
struct Edge {
int to, nxt, flow;
Edge() {}
Edge(int _to, int _nxt, int _flow) : to(_to), nxt(_nxt), flow(_flow) {}
}E[MAXE];
int h[MAXN], cur[MAXN], pre[MAXN], vis[MAXN], p;
int num[MAXN], d[MAXN], source, sink;
int tot, n, m;
queue<int>q;
inline void add_edge(int x, int y, int flow) {
E[p] = Edge(y, h[x], flow), h[x] = p++;
E[p] = Edge(x, h[y], 0), h[y] = p++;
}
void bfs() {
memset(vis, 0, sizeof(vis));
d[sink] = 0, vis[sink] = 1;
q.push(sink);
while(!q.empty()) {
int u = q.front();
num[d[u]]++;
q.pop();
for(int i = h[u]; ~i; i = E[i].nxt) {
int v = E[i].to;
if(!vis[v]) {
vis[v] = 1;
d[v] = d[u] + 1;
q.push(v);
}
}
}
}
void augment(int flow) {
for(int i = source; i != sink; i = E[cur[i]].to) {
E[cur[i]].flow -= flow;
E[cur[i] ^ 1].flow += flow;
}
}
int isap() {
memset(num, 0, sizeof(num));
bfs();
//DBG;
memcpy(cur, h, sizeof(h));
int u = source, f = INF, flow = 0;
while(d[source] < tot) {
//DBG;
bool fg = 0;
for(int i = cur[u]; ~i; i = E[i].nxt) {
int v = E[i].to;
if(E[i].flow > 0&& d[u] == d[v] + 1) {
cur[u] = i;
pre[v] = u;
u = v;
fg = 1;
f = min(f, E[i].flow);
if(u == sink) {
flow += f;
augment(f);
f = INF;
u = source;
}
break;
}
}
if(fg) continue;
if(--num[d[u]] == 0) break;
int M = tot - 1;
for(int i = h[u]; ~i; i = E[i].nxt) {