#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int n,k,r,a[N],cnt[N],mn[N],now=1,ans;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> k >> r;
for(int i=1;i<=n;i++) cin >> a[i];
for(int i=0;i<r;i++){
int x,y;
cin >> x >> y;
mn[x]=y;
}
for(int i=0;i<k;i++) while(cnt[i]<mn[i] && now<=n) cnt[a[now++]]++;
for(int i=0;i<k;i++) if(cnt[i]<mn[i]) cout << "impossible",exit(0);
ans=now-1;
for(int i=1;i<=n;i++){
cnt[a[i]]--;
while(cnt[a[i]]<mn[a[i]] && now<=n) cnt[a[now++]]++;
if(cnt[a[i]]<mn[a[i]]) break;
ans=min(ans,now-i-1);
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2404 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2648 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 |
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 |
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 |
2648 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 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 |
2408 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
9 ms |
2624 KB |
Output is correct |
| 3 |
Correct |
10 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
9 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
12 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
9 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
10 ms |
2512 KB |
Output is correct |
| 8 |
Correct |
18 ms |
3164 KB |
Output is correct |
| 9 |
Correct |
19 ms |
3160 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 |
2396 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 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 |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2512 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
30 ms |
2652 KB |
Output is correct |
| 2 |
Correct |
17 ms |
2648 KB |
Output is correct |
| 3 |
Correct |
14 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
9 ms |
2392 KB |
Output is correct |
| 5 |
Correct |
21 ms |
2648 KB |
Output is correct |
| 6 |
Correct |
38 ms |
4028 KB |
Output is correct |
| 7 |
Correct |
12 ms |
3416 KB |
Output is correct |
| 8 |
Correct |
14 ms |
3476 KB |
Output is correct |
| 9 |
Correct |
9 ms |
2904 KB |
Output is correct |
| 10 |
Correct |
10 ms |
2908 KB |
Output is correct |
| 11 |
Correct |
10 ms |
2880 KB |
Output is correct |
| 12 |
Correct |
14 ms |
3036 KB |
Output is correct |
| 13 |
Correct |
13 ms |
3164 KB |
Output is correct |
| 14 |
Correct |
8 ms |
2904 KB |
Output is correct |
| 15 |
Correct |
10 ms |
2908 KB |
Output is correct |
| 16 |
Correct |
17 ms |
3332 KB |
Output is correct |
| 17 |
Correct |
11 ms |
3420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
2780 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2392 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 |
2396 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 |
1 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2508 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2396 KB |
Output is correct |
