题解 | #神奇的字符#
神奇的字符
https://www.nowcoder.com/practice/0e92225d095e4e178f0c585d3300dca5
#include <bits/stdc++.h>
using namespace std;
int main() {
int n, m,i(0),j(0);
string s, t;
cin >> n >> m >> s >> t;
while(i < n-m && j < m){
if(s[i] == t[j]){
i++;
j++;
}else {
i++;
}
}
if(j != m ) cout << -1 << endl;
else cout << i << endl;
return 0;
}
