题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
#include<iostream>
#include <map>
using namespace std;
int main(){
string str;
char c;
getline(cin, str);
cin >> c;
map<char, int> mp;
for(auto ch : str){
mp[tolower(ch)]++;
}
cout << mp[tolower(c)] << endl;
return 0;
}
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