#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5,inf=1e9;
int a[N],mn[N],cnt[N];
signed main (){
ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
int n,k,R;
cin>>n>>k>>R;
for (int i = 1; i <= n; i++){
cin>>a[i];
}
for (int i = 0; i < k; i++) mn[i] = inf;
for (int i = 1; i <= R; i++){
int x,y;
cin>>x>>y;
mn[x] = y;
}
int C = R,r = 0,ans=inf;
for (int i = 1; i <= n; i++){
while (C > 0 && r + 1 <= n){
++r;
cnt[a[r]]++;
if (cnt[a[r]] - 1 < mn[a[r]] && cnt[a[r]] == mn[a[r]])
C--;
}
if (C == 0) ans=min(ans,r - i + 1);
cnt[a[i]]--;
if (cnt[a[i]] + 1 == mn[a[i]] && cnt[a[i]] < mn[a[i]]) ++C;
}
if(ans==inf) cout<<"impossible";
else cout<<ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
10 ms |
1108 KB |
Output is correct |
| 2 |
Correct |
18 ms |
1072 KB |
Output is correct |
| 3 |
Correct |
17 ms |
1004 KB |
Output is correct |
| 4 |
Correct |
13 ms |
1108 KB |
Output is correct |
| 5 |
Correct |
18 ms |
1728 KB |
Output is correct |
| 6 |
Correct |
12 ms |
1108 KB |
Output is correct |
| 7 |
Correct |
20 ms |
1112 KB |
Output is correct |
| 8 |
Correct |
19 ms |
2644 KB |
Output is correct |
| 9 |
Correct |
14 ms |
1120 KB |
Output is correct |
| 10 |
Correct |
12 ms |
1108 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
30 ms |
1612 KB |
Output is correct |
| 2 |
Correct |
31 ms |
1492 KB |
Output is correct |
| 3 |
Correct |
19 ms |
1476 KB |
Output is correct |
| 4 |
Correct |
10 ms |
1108 KB |
Output is correct |
| 5 |
Correct |
30 ms |
1860 KB |
Output is correct |
| 6 |
Correct |
30 ms |
2448 KB |
Output is correct |
| 7 |
Correct |
15 ms |
1108 KB |
Output is correct |
| 8 |
Correct |
17 ms |
1192 KB |
Output is correct |
| 9 |
Correct |
11 ms |
1116 KB |
Output is correct |
| 10 |
Correct |
13 ms |
1108 KB |
Output is correct |
| 11 |
Correct |
13 ms |
1108 KB |
Output is correct |
| 12 |
Correct |
13 ms |
1108 KB |
Output is correct |
| 13 |
Correct |
17 ms |
1652 KB |
Output is correct |
| 14 |
Correct |
10 ms |
1108 KB |
Output is correct |
| 15 |
Correct |
12 ms |
1100 KB |
Output is correct |
| 16 |
Correct |
18 ms |
2664 KB |
Output is correct |
| 17 |
Correct |
16 ms |
1080 KB |
Output is correct |
| 18 |
Correct |
12 ms |
1108 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
