#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 2e5 + 5;
const ll inf = 1e18;
int n, k, R;
int a[N], need[N];
int cnt[N], done, ans = 1e9;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> k >> R;
for (int i = 1; i <= n; ++ i) cin >> a[i];
for (int i = 1; i <= R; ++ i) {
int x, y;
cin >> x >> y;
need[x] = y;
}
int l = 1, r = 0;
while (r < n) {
++ r;
++ cnt[a[r]];
if (cnt[a[r]] == need[a[r]]) ++ done;
while (l <= r && done == R) {
ans = min(ans, r - l + 1);
if (cnt[a[l]] == need[a[l]]) -- done;
-- cnt[a[l]];
++ l;
}
}
if (ans == 1e9) cout << "impossible";
else cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 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 |
2392 KB |
Output is correct |
8 |
Correct |
0 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2516 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2400 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 |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 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 |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
2904 KB |
Output is correct |
2 |
Correct |
10 ms |
2884 KB |
Output is correct |
3 |
Correct |
10 ms |
2908 KB |
Output is correct |
4 |
Correct |
9 ms |
2908 KB |
Output is correct |
5 |
Correct |
13 ms |
3932 KB |
Output is correct |
6 |
Correct |
9 ms |
2888 KB |
Output is correct |
7 |
Correct |
9 ms |
3136 KB |
Output is correct |
8 |
Correct |
14 ms |
3928 KB |
Output is correct |
9 |
Correct |
11 ms |
3416 KB |
Output is correct |
10 |
Correct |
9 ms |
3160 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 |
2392 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2532 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 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 |
1 ms |
2512 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
20 ms |
4432 KB |
Output is correct |
2 |
Correct |
19 ms |
4272 KB |
Output is correct |
3 |
Correct |
15 ms |
3908 KB |
Output is correct |
4 |
Correct |
9 ms |
2908 KB |
Output is correct |
5 |
Correct |
22 ms |
4924 KB |
Output is correct |
6 |
Correct |
28 ms |
4696 KB |
Output is correct |
7 |
Correct |
12 ms |
3420 KB |
Output is correct |
8 |
Correct |
14 ms |
3780 KB |
Output is correct |
9 |
Correct |
9 ms |
2908 KB |
Output is correct |
10 |
Correct |
10 ms |
2780 KB |
Output is correct |
11 |
Correct |
10 ms |
2908 KB |
Output is correct |
12 |
Correct |
9 ms |
2924 KB |
Output is correct |
13 |
Correct |
12 ms |
3932 KB |
Output is correct |
14 |
Correct |
8 ms |
3016 KB |
Output is correct |
15 |
Correct |
9 ms |
3164 KB |
Output is correct |
16 |
Correct |
15 ms |
3932 KB |
Output is correct |
17 |
Correct |
11 ms |
3420 KB |
Output is correct |
18 |
Correct |
9 ms |
2908 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2524 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
0 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2516 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
0 ms |
2396 KB |
Output is correct |
33 |
Correct |
1 ms |
2396 KB |
Output is correct |