#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
int n, k, m;
int a[N], b[N], cnt[N], cont, ans = N;
int main() {
ios:: sync_with_stdio(0), cin.tie(0);
cin >> n >> k >> m;
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 0; i < m; i++) {
int x, y;
cin >> x >> y;
b[x] = y;
}
for (int i = 0; i < k; i++)
if (!b[i]) cont++;
for (int l = 0, r = 0; l < n; l++) {
while (r < n && cont ^ k) {
cnt[a[r++]]++;
if (cnt[a[r - 1]] == b[a[r - 1]]) cont++;
}
if (cont == k) ans = min(ans, r - l);
cnt[a[l]]--;
if (cnt[a[l]] + 1 == b[a[l]]) cont--;
}
if (ans == N) cout << "impossible" << '\n';
else cout << ans << '\n';
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2512 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 2 |
Correct |
9 ms |
3012 KB |
Output is correct |
| 3 |
Correct |
10 ms |
2908 KB |
Output is correct |
| 4 |
Correct |
11 ms |
2928 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3408 KB |
Output is correct |
| 6 |
Correct |
8 ms |
2908 KB |
Output is correct |
| 7 |
Correct |
9 ms |
3004 KB |
Output is correct |
| 8 |
Correct |
15 ms |
3408 KB |
Output is correct |
| 9 |
Correct |
11 ms |
3420 KB |
Output is correct |
| 10 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2532 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
21 ms |
3668 KB |
Output is correct |
| 2 |
Correct |
21 ms |
3668 KB |
Output is correct |
| 3 |
Correct |
16 ms |
3744 KB |
Output is correct |
| 4 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 5 |
Correct |
22 ms |
3832 KB |
Output is correct |
| 6 |
Correct |
28 ms |
3920 KB |
Output is correct |
| 7 |
Correct |
12 ms |
3392 KB |
Output is correct |
| 8 |
Correct |
15 ms |
3420 KB |
Output is correct |
| 9 |
Correct |
8 ms |
2904 KB |
Output is correct |
| 10 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 11 |
Correct |
11 ms |
2940 KB |
Output is correct |
| 12 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 13 |
Correct |
13 ms |
3496 KB |
Output is correct |
| 14 |
Correct |
9 ms |
2904 KB |
Output is correct |
| 15 |
Correct |
9 ms |
2908 KB |
Output is correct |
| 16 |
Correct |
14 ms |
3408 KB |
Output is correct |
| 17 |
Correct |
11 ms |
3420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
2904 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2520 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2516 KB |
Output is correct |
| 32 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2396 KB |
Output is correct |
