题解 | #字母统计#
字母统计
http://www.nowcoder.com/practice/de7bf0945c1c4bd1aa9d49573b831f3c
#include<iostream>
using namespace std;
const int N = 30;
int cnt[N];
int main()
{
string s;
while(cin >> s)
{
for(int i = 0; i < s.size(); i ++)
{
char c = s[i];
if(c < 'A' || c > 'Z') continue;
cnt[c - 'A'] ++;
}
for(int i = 0; i < 26; i ++)
{
printf("%c:%d\n", 'A' + i, cnt[i]);
}
}
return 0;
}