#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
ios::sync_with_stdio(0); cin.tie(0);
int n,k,r; cin>>n>>k>>r;
int arr[n];
map<int,int>m;
int req[n]={};
set<int>s;
for(int i=0; i<n; i++) cin>>arr[i];
for(int i=0; i<r; i++){
int a,b; cin>>a>>b;
req[a]=b;
s.insert(a);
}
int st=0,ans=LLONG_MAX;
for(int i=0; i<n; i++){
if(req[arr[i]]) m[arr[i]]++;
if(m[arr[i]]>=req[arr[i]] and s.find(arr[i])!=s.end()) s.erase(arr[i]);
while(s.empty()){
//cout<<st<<" "<<i<<endl;
ans=min(ans,i-st+1);
if(req[arr[st]]){
m[arr[st]]--;
if(m[arr[st]]<req[arr[st]]) s.insert(arr[st]);
//if(st==2) cout<<"hi "<<s.size()<<endl;
}
st++;
}
}
if(ans==LLONG_MAX) cout<<"impossible";
else cout<<ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
1 ms |
856 KB |
Output is correct |
| 5 |
Correct |
1 ms |
604 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 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 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
3420 KB |
Output is correct |
| 2 |
Correct |
15 ms |
3932 KB |
Output is correct |
| 3 |
Correct |
20 ms |
3932 KB |
Output is correct |
| 4 |
Correct |
18 ms |
3792 KB |
Output is correct |
| 5 |
Correct |
52 ms |
9300 KB |
Output is correct |
| 6 |
Correct |
14 ms |
3928 KB |
Output is correct |
| 7 |
Correct |
17 ms |
3932 KB |
Output is correct |
| 8 |
Correct |
80 ms |
17184 KB |
Output is correct |
| 9 |
Correct |
32 ms |
4952 KB |
Output is correct |
| 10 |
Correct |
17 ms |
3932 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
604 KB |
Output is correct |
| 14 |
Correct |
1 ms |
604 KB |
Output is correct |
| 15 |
Correct |
1 ms |
604 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
600 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 |
460 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 |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
141 ms |
9144 KB |
Output is correct |
| 2 |
Correct |
123 ms |
9300 KB |
Output is correct |
| 3 |
Correct |
79 ms |
8788 KB |
Output is correct |
| 4 |
Correct |
16 ms |
3948 KB |
Output is correct |
| 5 |
Correct |
115 ms |
15700 KB |
Output is correct |
| 6 |
Correct |
194 ms |
17608 KB |
Output is correct |
| 7 |
Correct |
56 ms |
5212 KB |
Output is correct |
| 8 |
Correct |
82 ms |
6352 KB |
Output is correct |
| 9 |
Correct |
15 ms |
3928 KB |
Output is correct |
| 10 |
Correct |
15 ms |
3932 KB |
Output is correct |
| 11 |
Correct |
20 ms |
3932 KB |
Output is correct |
| 12 |
Correct |
17 ms |
3932 KB |
Output is correct |
| 13 |
Correct |
51 ms |
9700 KB |
Output is correct |
| 14 |
Correct |
14 ms |
3928 KB |
Output is correct |
| 15 |
Correct |
17 ms |
3932 KB |
Output is correct |
| 16 |
Correct |
82 ms |
17236 KB |
Output is correct |
| 17 |
Correct |
32 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
17 ms |
3888 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
604 KB |
Output is correct |
| 22 |
Correct |
1 ms |
604 KB |
Output is correct |
| 23 |
Correct |
1 ms |
464 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 |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 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 |
