#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
using ll = long long;
const int maxn = 1e6 + 5;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n,q;
cin>>n>>q;
string s;
cin>>s;
while (q--) {
char op;
cin>>op;
if (op=='a') {
int x,y;
cin>>x>>y;
--x; --y;
string t(1,s[x]);
s.erase(x,1);
s.insert(y,t);
} else {
int x;
cin>>x;
cout<<s[x-1]<<"\n";
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
3 ms |
512 KB |
Output is correct |
3 |
Correct |
17 ms |
748 KB |
Output is correct |
4 |
Correct |
217 ms |
2176 KB |
Output is correct |
5 |
Correct |
409 ms |
2184 KB |
Output is correct |
6 |
Correct |
577 ms |
2568 KB |
Output is correct |
7 |
Correct |
680 ms |
2780 KB |
Output is correct |
8 |
Correct |
281 ms |
2568 KB |
Output is correct |
9 |
Correct |
840 ms |
2696 KB |
Output is correct |
10 |
Correct |
571 ms |
2568 KB |
Output is correct |