题解 | #字符的个数#
字符的个数
https://www.nowcoder.com/practice/dc28f2bf113a4058be888a5875206238
#include<bits/stdc++.h>
using namespace std;
int main(){
string s;
cin>>s;
// 输出'a','b','c'出现次数
int na = 0, nb =0, nc = 0;
for (int i = 0; i < s.length(); i++){ //s.size()也可以
if (s[i] == 'a')
na++;
if (s[i] == 'b')
nb++;
if (s[i] == 'c')
nc++;
}
cout << na << " " << nb << " " << nc;
return 0;
}
