#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int n,k,r;
int a[N],mn[N],cnt[N];
int main(){
cin.tie(nullptr)->sync_with_stdio(false);
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;
}
int p=1;
for(int i=0;i<k;i++)while(cnt[i]<mn[i]&&p<=n)cnt[a[p++]]++;
for(int i=0;i<k;i++)if(cnt[i]<mn[i])cout << "impossible\n",exit(0);
int ans=p-1;
for(int i=1;i<n;i++){
cnt[a[i]]--;
while(cnt[a[i]]<mn[a[i]]&&p<=n)cnt[a[p++]]++;
if(cnt[a[i]]<mn[a[i]])break;
ans=min(ans,p-i-1);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2392 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 KB |
Output is correct |
5 |
Correct |
1 ms |
2456 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2392 KB |
Output is correct |
8 |
Correct |
1 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 |
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 |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2516 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 |
8 ms |
2396 KB |
Output is correct |
2 |
Correct |
9 ms |
2396 KB |
Output is correct |
3 |
Correct |
10 ms |
2524 KB |
Output is correct |
4 |
Correct |
9 ms |
2396 KB |
Output is correct |
5 |
Correct |
12 ms |
2908 KB |
Output is correct |
6 |
Correct |
8 ms |
2396 KB |
Output is correct |
7 |
Correct |
9 ms |
3164 KB |
Output is correct |
8 |
Correct |
14 ms |
3904 KB |
Output is correct |
9 |
Correct |
12 ms |
3524 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 |
2392 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 |
2648 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 |
2512 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 |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
2808 KB |
Output is correct |
2 |
Correct |
18 ms |
2652 KB |
Output is correct |
3 |
Correct |
15 ms |
2652 KB |
Output is correct |
4 |
Correct |
9 ms |
2516 KB |
Output is correct |
5 |
Correct |
21 ms |
2648 KB |
Output is correct |
6 |
Correct |
23 ms |
2644 KB |
Output is correct |
7 |
Correct |
11 ms |
2648 KB |
Output is correct |
8 |
Correct |
18 ms |
2648 KB |
Output is correct |
9 |
Correct |
8 ms |
2644 KB |
Output is correct |
10 |
Correct |
9 ms |
2396 KB |
Output is correct |
11 |
Correct |
9 ms |
2520 KB |
Output is correct |
12 |
Correct |
9 ms |
2396 KB |
Output is correct |
13 |
Correct |
12 ms |
2652 KB |
Output is correct |
14 |
Correct |
8 ms |
2396 KB |
Output is correct |
15 |
Correct |
9 ms |
3112 KB |
Output is correct |
16 |
Correct |
14 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 |
2516 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 |
0 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 |
2396 KB |
Output is correct |
30 |
Correct |
0 ms |
2512 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
1 ms |
2396 KB |
Output is correct |