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;
// write your code here......
int a_times = 0;
int b_times = 0;
int c_times = 0;
for (decltype(s.size()) i = 0; i < s.size(); ++i)
{
if (s[i] == 'a')
++a_times;
else if (s[i] == 'b')
++b_times;
else if (s[i] == 'c')
++c_times;
}
cout << a_times << " " << b_times << " " << c_times;
return 0;
}
循环遍历即可
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