#include<bits/stdc++.h>
using namespace std;
#define int int64_t
#define pb push_back
#define st first
#define nd second
#define pii pair<int, int>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
const int MAXN = 200009;
int cnt[MAXN];
int sum[MAXN];
int cur[MAXN];
int tab[MAXN];
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, k, r;
cin >> n >> k >> r;
for(int i=0;i<n;i++) {
cin >> tab[i];
sum[tab[i]]++;
}
for(int i=0;i<r;i++) {
int a, b;
cin >> a >> b;
cnt[a] = b;
if(sum[a]<b) {
cout << "impossible\n";
return 0;
}
}
int R = -1;
int bad_cnt = r;
int ans = 1e9;
for(int L=0;L<n;L++) {
while(R+1<n && bad_cnt) {
R++;
cur[tab[R]]++;
if(cur[tab[R]]==cnt[tab[R]]) {
bad_cnt--;
}
}
if(bad_cnt==0) {
ans = min(ans, R-L+1);
}
cur[tab[L]]--;
if(cur[tab[L]]==cnt[tab[L]]-1) {
bad_cnt++;
}
}
cout << ans << "\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
328 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 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 |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 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 |
468 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
328 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
328 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
0 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
14 ms |
2304 KB |
Output is correct |
| 2 |
Correct |
17 ms |
2208 KB |
Output is correct |
| 3 |
Correct |
15 ms |
2296 KB |
Output is correct |
| 4 |
Correct |
13 ms |
2260 KB |
Output is correct |
| 5 |
Correct |
20 ms |
4280 KB |
Output is correct |
| 6 |
Correct |
13 ms |
2272 KB |
Output is correct |
| 7 |
Correct |
12 ms |
2408 KB |
Output is correct |
| 8 |
Correct |
25 ms |
6220 KB |
Output is correct |
| 9 |
Correct |
16 ms |
2924 KB |
Output is correct |
| 10 |
Correct |
13 ms |
2268 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
468 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
328 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 |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
33 ms |
5460 KB |
Output is correct |
| 2 |
Correct |
25 ms |
4812 KB |
Output is correct |
| 3 |
Correct |
23 ms |
4504 KB |
Output is correct |
| 4 |
Correct |
13 ms |
2280 KB |
Output is correct |
| 5 |
Correct |
23 ms |
4044 KB |
Output is correct |
| 6 |
Correct |
46 ms |
8128 KB |
Output is correct |
| 7 |
Correct |
18 ms |
3084 KB |
Output is correct |
| 8 |
Correct |
19 ms |
3448 KB |
Output is correct |
| 9 |
Correct |
11 ms |
2284 KB |
Output is correct |
| 10 |
Correct |
17 ms |
2264 KB |
Output is correct |
| 11 |
Correct |
13 ms |
2268 KB |
Output is correct |
| 12 |
Correct |
15 ms |
2308 KB |
Output is correct |
| 13 |
Correct |
22 ms |
4256 KB |
Output is correct |
| 14 |
Correct |
16 ms |
2244 KB |
Output is correct |
| 15 |
Correct |
17 ms |
2452 KB |
Output is correct |
| 16 |
Correct |
31 ms |
6312 KB |
Output is correct |
| 17 |
Correct |
17 ms |
2956 KB |
Output is correct |
| 18 |
Correct |
12 ms |
2188 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 |
408 KB |
Output is correct |
| 23 |
Correct |
2 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
0 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
