题解 | 字母统计
字母统计
https://www.nowcoder.com/practice/de7bf0945c1c4bd1aa9d49573b831f3c
#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main() {
string a;
while(getline(cin,a)){
vector<int> hash(128,0);
for(char i:a) hash[i]++;
for(char i='A';i<='Z';i++){
cout<<i<<":"<<hash[i]<<"\n";
}
}
return 0;
}
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