Uva - 10340 - All in All（指针扫描）

#include <iostream>
#include <string>

using namespace std;

int main()
{
string s, t;
while(cin >> s >> t){
int len_s = s.length(), len_t = t.length(), i, j;
for(i = 0, j = 0; i < len_t; i++){
if(t[i] == s[j] && (++j) == len_s) break;
}
if(j == len_s) cout << "Yes" << endl;
else cout << "No" <<endl;
}
return 0;
}