题解 | #简写单词#

```#include<stdio.h>
int main() {
    char s[100] = {0};
    while (scanf("%s", &s) != EOF ) {
        if (s[0] >= 65 && s[0] <= 90) printf("%c", s[0]);
        else printf("%c", s[0] - 32);
    }
    return 0;
}