#include <bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k, r;
cin >> n >> k >> r;
vector<int> a(n + 1);
for(int i = 1; i <= n; i++) cin >> a[i];
vector<int> need(k);
vector<int> cnt(k);
for(int i = 0; i < r; i++){
int b, q;
cin >> b >> q;
need[b] = q;
}
int lp = 1;
int ans = -1;
int ok = r;
for(int i = 1; i <= n; i++){
cnt[a[i]]++;
if(cnt[a[i]] == need[a[i]]) ok--;
while(lp < i && ok == 0 && cnt[a[lp]] > need[a[lp]]){
cnt[a[lp]]--;
lp++;
}
if(ok != 0) continue;
int len = i - lp + 1;
if(ans == -1 || len < ans) ans = len;
}
if(ans == -1) cout << "impossible\n";
else cout << ans << "\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
316 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
312 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
320 KB |
Output is correct |
| 6 |
Correct |
1 ms |
316 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
208 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
12 ms |
1472 KB |
Output is correct |
| 2 |
Correct |
16 ms |
1468 KB |
Output is correct |
| 3 |
Correct |
13 ms |
1460 KB |
Output is correct |
| 4 |
Correct |
13 ms |
1480 KB |
Output is correct |
| 5 |
Correct |
17 ms |
2876 KB |
Output is correct |
| 6 |
Correct |
11 ms |
1464 KB |
Output is correct |
| 7 |
Correct |
15 ms |
1588 KB |
Output is correct |
| 8 |
Correct |
19 ms |
3900 KB |
Output is correct |
| 9 |
Correct |
15 ms |
1980 KB |
Output is correct |
| 10 |
Correct |
11 ms |
1480 KB |
Output is correct |
| 11 |
Correct |
1 ms |
316 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
328 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
312 KB |
Output is correct |
| 18 |
Correct |
0 ms |
308 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
316 KB |
Output is correct |
| 24 |
Correct |
0 ms |
204 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
27 ms |
3484 KB |
Output is correct |
| 2 |
Correct |
23 ms |
3248 KB |
Output is correct |
| 3 |
Correct |
19 ms |
2756 KB |
Output is correct |
| 4 |
Correct |
11 ms |
1476 KB |
Output is correct |
| 5 |
Correct |
33 ms |
4028 KB |
Output is correct |
| 6 |
Correct |
31 ms |
4548 KB |
Output is correct |
| 7 |
Correct |
18 ms |
2096 KB |
Output is correct |
| 8 |
Correct |
17 ms |
2372 KB |
Output is correct |
| 9 |
Correct |
12 ms |
1472 KB |
Output is correct |
| 10 |
Correct |
11 ms |
1484 KB |
Output is correct |
| 11 |
Correct |
13 ms |
1476 KB |
Output is correct |
| 12 |
Correct |
15 ms |
1476 KB |
Output is correct |
| 13 |
Correct |
15 ms |
2752 KB |
Output is correct |
| 14 |
Correct |
12 ms |
1464 KB |
Output is correct |
| 15 |
Correct |
15 ms |
1612 KB |
Output is correct |
| 16 |
Correct |
24 ms |
3888 KB |
Output is correct |
| 17 |
Correct |
14 ms |
2104 KB |
Output is correct |
| 18 |
Correct |
11 ms |
1484 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
316 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
0 ms |
204 KB |
Output is correct |
| 29 |
Correct |
0 ms |
312 KB |
Output is correct |
| 30 |
Correct |
0 ms |
204 KB |
Output is correct |
| 31 |
Correct |
0 ms |
204 KB |
Output is correct |
| 32 |
Correct |
0 ms |
204 KB |
Output is correct |
| 33 |
Correct |
0 ms |
204 KB |
Output is correct |
