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>
using namespace std;
#include <string>
#include <unordered_set>
int main() {
string s;
char ss;
getline(cin,s);
cin >> ss;
int count = 0;
unordered_multiset<char> set;
for(char sss : s) {
set.insert(tolower(sss));
}
count = set.count(tolower(ss));
cout << count;
}
// 64 位输出请用 printf("%lld")
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