#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
#pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
const int maxn = 2e5 + 5;
int req[maxn];
signed main(void){
fastio;
int n, k, r;
cin>>n>>k>>r;
vector<int> a(n);
for(int i = 0; i < n; i++) cin>>a[i];
for(int i = 0; i < r; i++){
int b, t;
cin>>b>>t;
req[b] = t;
}
int L = 0, R = n + 1;
while(L + 1 < R){
int m = (L + R) / 2;
int ok = k - r;
vector<int> cur(k);
for(int i = 0; i < m; i++){
cur[a[i]] ++;
if(cur[a[i]] == req[a[i]]) ok++;
}
if(ok == k){
R = m;
continue;
}
int pass = 0;
for(int i = m; i < n; i++){
cur[a[i]] ++;
if(cur[a[i]] == req[a[i]]) ok++;
cur[a[i - m]] --;
if(cur[a[i - m]] == req[a[i - m]] - 1) ok--;
if(ok == k) pass = 1;
}
if(pass) R = m;
else L = m;
}
if(R == n + 1) cout<<"impossible\n";
else cout<<R<<"\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
484 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
18 ms |
1880 KB |
Output is correct |
| 2 |
Correct |
19 ms |
1628 KB |
Output is correct |
| 3 |
Correct |
14 ms |
1628 KB |
Output is correct |
| 4 |
Correct |
15 ms |
1628 KB |
Output is correct |
| 5 |
Correct |
25 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
14 ms |
1636 KB |
Output is correct |
| 7 |
Correct |
15 ms |
1632 KB |
Output is correct |
| 8 |
Correct |
29 ms |
3156 KB |
Output is correct |
| 9 |
Correct |
21 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
16 ms |
1628 KB |
Output is correct |
| 11 |
Correct |
1 ms |
352 KB |
Output is correct |
| 12 |
Correct |
1 ms |
480 KB |
Output is correct |
| 13 |
Correct |
1 ms |
472 KB |
Output is correct |
| 14 |
Correct |
1 ms |
352 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
352 KB |
Output is correct |
| 20 |
Correct |
0 ms |
480 KB |
Output is correct |
| 21 |
Correct |
1 ms |
360 KB |
Output is correct |
| 22 |
Correct |
2 ms |
360 KB |
Output is correct |
| 23 |
Correct |
0 ms |
472 KB |
Output is correct |
| 24 |
Correct |
0 ms |
352 KB |
Output is correct |
| 25 |
Correct |
1 ms |
360 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
29 ms |
3628 KB |
Output is correct |
| 2 |
Correct |
41 ms |
3196 KB |
Output is correct |
| 3 |
Correct |
39 ms |
2940 KB |
Output is correct |
| 4 |
Correct |
13 ms |
1500 KB |
Output is correct |
| 5 |
Correct |
31 ms |
4184 KB |
Output is correct |
| 6 |
Correct |
42 ms |
4688 KB |
Output is correct |
| 7 |
Correct |
20 ms |
2136 KB |
Output is correct |
| 8 |
Correct |
29 ms |
2520 KB |
Output is correct |
| 9 |
Correct |
14 ms |
1624 KB |
Output is correct |
| 10 |
Correct |
19 ms |
1628 KB |
Output is correct |
| 11 |
Correct |
19 ms |
1628 KB |
Output is correct |
| 12 |
Correct |
13 ms |
1508 KB |
Output is correct |
| 13 |
Correct |
31 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
12 ms |
1624 KB |
Output is correct |
| 15 |
Correct |
13 ms |
1628 KB |
Output is correct |
| 16 |
Correct |
32 ms |
3320 KB |
Output is correct |
| 17 |
Correct |
19 ms |
2136 KB |
Output is correct |
| 18 |
Correct |
14 ms |
1628 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
600 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
