蓝桥杯 删除子字符串 字符串操作

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 int main() {
 4     string s1, s2;
 5     cin >> s1 >> s2;
 6     for (int i = 0; i <= s1.length() - s2.length(); i++) {
 7         if (s1.substr(i, s2.length()) == s2) {
 8             s1.erase(i, s2.length());
 9             i--; //此处一定要减一下 
10         }
11     }
12     cout << s1 << endl;
13     return 0;
14 }