题解 | 简写单词
简写单词
https://www.nowcoder.com/practice/0cfa856bf0d649b88f6260d878f35bb4
#include <cctype>
#include <iostream>
#include <string>
using namespace std;
int main() {
string s;
while (cin >> s) {
cout << (char)(toupper(s[0]));
}
return 0;
}
// 64 位输出请用 printf("%lld")
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