#include <bits/extc++.h>
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
int n, q;
std::cin >> n >> q;
__gnu_cxx::rope<char> r;
while (n--) {
char c;
std::cin >> c;
r.push_back(c);
}
while (q--) {
char c;
std::cin >> c;
if (c == 'a') {
int x, y;
std::cin >> x >> y;
x -= 1, y -= 1;
const char v = r[x];
r.erase(x, 1);
r.insert(y, v);
} else {
int k;
std::cin >> k;
k -= 1;
std::cout << r[k] << '\n';
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
21 ms |
468 KB |
Output is correct |
3 |
Correct |
30 ms |
3404 KB |
Output is correct |
4 |
Correct |
98 ms |
14820 KB |
Output is correct |
5 |
Correct |
130 ms |
15868 KB |
Output is correct |
6 |
Correct |
170 ms |
17480 KB |
Output is correct |
7 |
Correct |
192 ms |
18668 KB |
Output is correct |
8 |
Correct |
102 ms |
17748 KB |
Output is correct |
9 |
Correct |
218 ms |
19452 KB |
Output is correct |
10 |
Correct |
147 ms |
18512 KB |
Output is correct |