HJ2题解 | #计算某字符出现次数#

#include <cctype>
#include <iostream>
using namespace std;

int main() {
    string input;
    getline(cin, input);
    char c = toupper(getchar());
    int count = 0;
    for (int i = 0; i < input.size(); i++) {
        if (toupper(input[i]) == c) {
            count++;
        }
    }
    cout << count;
}
// 64 位输出请用 printf("%lld")