#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << " " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << " " << j << " " << #i << " " << q << " " << #p << endl;
#define show4(x,y) for(auto it:x) cout << it << " "; cout << #y << endl;
typedef pair<int,int>pii;
typedef pair<pii,int>pi2;
void solve(){
int n,k,r;
cin >> n >> k >> r;
int arr[n];
for(int x=0;x<n;x++){
cin >> arr[x];
}
int need[n];
memset(need,-1,sizeof(need));
int temp,temp2;
for(int x=0;x<r;x++){
cin >> temp >> temp2;
need[temp]=temp2;
}
int l=0;
int done=0;
int cnt[n];
memset(cnt,0,sizeof(cnt));
int best=LONG_LONG_MAX;
for(int x=0;x<n;x++){
//include x
int val=arr[x];
cnt[val]++;
if(cnt[val]==need[val]) done++;
while(done==r){
best=min(best,x-l+1);
int cur=arr[l];
if(cnt[cur]==need[cur]) done--;
cnt[cur]--;
l++;
}
}
if(best==LONG_LONG_MAX){
cout << "impossible\n";
}
else cout << best;
}
int32_t main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t=1;
//cin >> t;
while(t--){
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
600 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
4956 KB |
Output is correct |
2 |
Correct |
11 ms |
5084 KB |
Output is correct |
3 |
Correct |
11 ms |
4956 KB |
Output is correct |
4 |
Correct |
10 ms |
4956 KB |
Output is correct |
5 |
Correct |
15 ms |
5088 KB |
Output is correct |
6 |
Correct |
11 ms |
4956 KB |
Output is correct |
7 |
Correct |
12 ms |
4924 KB |
Output is correct |
8 |
Correct |
19 ms |
5072 KB |
Output is correct |
9 |
Correct |
14 ms |
5088 KB |
Output is correct |
10 |
Correct |
11 ms |
5068 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 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 |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
4952 KB |
Output is correct |
2 |
Correct |
30 ms |
5104 KB |
Output is correct |
3 |
Correct |
16 ms |
4956 KB |
Output is correct |
4 |
Correct |
10 ms |
4956 KB |
Output is correct |
5 |
Correct |
24 ms |
5116 KB |
Output is correct |
6 |
Correct |
26 ms |
4956 KB |
Output is correct |
7 |
Correct |
14 ms |
5084 KB |
Output is correct |
8 |
Correct |
16 ms |
4956 KB |
Output is correct |
9 |
Correct |
11 ms |
4956 KB |
Output is correct |
10 |
Correct |
10 ms |
4956 KB |
Output is correct |
11 |
Correct |
11 ms |
4956 KB |
Output is correct |
12 |
Correct |
10 ms |
5088 KB |
Output is correct |
13 |
Correct |
14 ms |
4956 KB |
Output is correct |
14 |
Correct |
10 ms |
5088 KB |
Output is correct |
15 |
Correct |
11 ms |
5060 KB |
Output is correct |
16 |
Correct |
15 ms |
5084 KB |
Output is correct |
17 |
Correct |
13 ms |
4956 KB |
Output is correct |
18 |
Correct |
12 ms |
5092 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
452 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |