ACM 11530 - SMS Typing

#include <stdio.h>
int keyNum[26] = {1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2,3,1,2,3,4};
int count;
char str[101];
void Counter(char ch)
{
     if (ch == ' ') count ++;
     count += keyNum[ch - 'a'];
}

int main()
{
    int n = 1, i, j;
    scanf("%d", &n);
    getchar();
    for (j = 1; j <= n; j ++)
    {
        gets(str);  
        count = 0;  
        for (i = 0; str[i]; i ++)
            Counter(str[i]);
        printf("Case #%d: %d\n",j , count);
    }
    return 0;
}

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