Create 03_hw.c

A/04/03_hw.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include<string.h>
+
+int main()
+{
+    int n,i;
+    scanf("%d",&n);
+    int letters[26];
+    for (i=0;i<26;i++)
+    {
+        letters[i] = 0;
+    }
+    char in[1001];
+    fgets(in,1001,stdin);
+    for (i=0;i<strlen(in);i++)
+    {
+        if (in[i]>64&&in[i]<91) letters[in[i]-65]+=1;
+        if (in[i]>96&&in[i]<123) letters[in[i]-97]+=1;
+    }
+    for (i=0;i<26;i++)
+    {
+      if (letters[i]!=0)
+      {
+          printf("%c - ",97+i);
+          printf("%d\n",letters[i]);
+      }
+    }
+    return 0;
+}