题解 | #字符串去特定字符#

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

int main() {
    string a;
    char c;
    while (getline(cin, a)) {
        cin >> c;
        int len = a.size();
        int count = 0;
        for (int i = 0; i < len; i++) {
            if (a[i] == c) count++;
            else a[i-count] = a[i];
        }
        for (int i = 0; i < len-count; i++)
            cout<<a[i];
        cout<<endl;
    }
    return 0;
}
// 64 位输出请用 printf("%lld")