#include <bits/stdc++.h>
using namespace std;
int mas[1000001];
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
int h[n];
for (int i = 0; i < n; i++) {
cin >> h[i];
if (i) {
for (int j = h[i - 1]; j <= h[i]; j++) mas[j]++;
for (int j = h[i - 1]; j >= h[i]; j--) mas[j]++;
}
}
for (int test = m; test--;) {
int x;
cin >> x;
if (x == 1) {
int pos, val;
cin >> pos >> val;
pos--;
if (pos) {
for (int j = h[pos - 1]; j <= h[pos]; j++) mas[j]--;
for (int j = h[pos - 1]; j >= h[pos]; j--) mas[j]--;
}
if (pos + 1 < n) {
for (int j = h[pos + 1]; j <= h[pos]; j++) mas[j]--;
for (int j = h[pos + 1]; j >= h[pos]; j--) mas[j]--;
}
h[pos] = val;
if (pos) {
for (int j = h[pos - 1]; j <= h[pos]; j++) mas[j]++;
for (int j = h[pos - 1]; j >= h[pos]; j--) mas[j]++;
}
if (pos + 1 < n) {
for (int j = h[pos + 1]; j <= h[pos]; j++) mas[j]++;
for (int j = h[pos + 1]; j >= h[pos]; j--) mas[j]++;
}
} else {
int H;
cin >> H;
cout << mas[H] << '\n';
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
522 ms |
4460 KB |
Output is correct |
3 |
Correct |
540 ms |
4368 KB |
Output is correct |
4 |
Correct |
531 ms |
4204 KB |
Output is correct |
5 |
Correct |
529 ms |
4372 KB |
Output is correct |
6 |
Correct |
513 ms |
4332 KB |
Output is correct |
7 |
Correct |
524 ms |
4204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
522 ms |
4460 KB |
Output is correct |
3 |
Correct |
540 ms |
4368 KB |
Output is correct |
4 |
Correct |
531 ms |
4204 KB |
Output is correct |
5 |
Correct |
529 ms |
4372 KB |
Output is correct |
6 |
Correct |
513 ms |
4332 KB |
Output is correct |
7 |
Correct |
524 ms |
4204 KB |
Output is correct |
8 |
Correct |
33 ms |
1260 KB |
Output is correct |
9 |
Execution timed out |
1096 ms |
4460 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
522 ms |
4460 KB |
Output is correct |
3 |
Correct |
540 ms |
4368 KB |
Output is correct |
4 |
Correct |
531 ms |
4204 KB |
Output is correct |
5 |
Correct |
529 ms |
4372 KB |
Output is correct |
6 |
Correct |
513 ms |
4332 KB |
Output is correct |
7 |
Correct |
524 ms |
4204 KB |
Output is correct |
8 |
Correct |
33 ms |
1260 KB |
Output is correct |
9 |
Execution timed out |
1096 ms |
4460 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |