#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 2e5;
int n, k, q;
vector<int> a;
vector<pair<int, int> > query;
int nuk[N+10], need[N + 10];
main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> k >> q;
a.resize(n);
for(int i = 0;i < n; i++){
cin >> a[i];
nuk[a[i]]++;
}
for(int i = 0;i < q; i++){
int c, cnt; cin >> c >> cnt;
query.push_back({c, cnt});
need[c] = cnt;
}
for(auto [c, cnt] : query){
if(nuk[c] < cnt){
cout << "impossible";
return 0;
}
}
for(int i = 0;i < n; i++) nuk[a[i]] = 0;
int ans = n, ok = 0;
for(int l = 0, r = 0; l < n; l++){
while(r < n && ok < q){
nuk[a[r]]++;
if(nuk[a[r]] == need[a[r]]){
ok++;
}
r++;
}
if(ok > q) assert(false);
if(ok == q){
ans = min(ans, r - l);
}
if(nuk[a[l]] == need[a[l]]){
ok--;
}
nuk[a[l]]--;
}
cout << ans;
return 0;
}
Compilation message
dna.cpp:16:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
16 | main(){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
464 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
460 KB |
Output is correct |
| 5 |
Correct |
1 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 |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
600 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
480 KB |
Output is correct |
| 5 |
Correct |
1 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 |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
472 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
1636 KB |
Output is correct |
| 2 |
Correct |
10 ms |
1628 KB |
Output is correct |
| 3 |
Correct |
11 ms |
1500 KB |
Output is correct |
| 4 |
Correct |
10 ms |
1628 KB |
Output is correct |
| 5 |
Correct |
13 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
9 ms |
1624 KB |
Output is correct |
| 7 |
Correct |
9 ms |
1760 KB |
Output is correct |
| 8 |
Correct |
15 ms |
3164 KB |
Output is correct |
| 9 |
Correct |
12 ms |
2140 KB |
Output is correct |
| 10 |
Correct |
12 ms |
1628 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 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 |
1 ms |
544 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 |
472 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
460 KB |
Output is correct |
| 25 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
21 ms |
4560 KB |
Output is correct |
| 2 |
Correct |
20 ms |
3700 KB |
Output is correct |
| 3 |
Correct |
17 ms |
3420 KB |
Output is correct |
| 4 |
Correct |
10 ms |
1632 KB |
Output is correct |
| 5 |
Correct |
22 ms |
5328 KB |
Output is correct |
| 6 |
Correct |
28 ms |
5844 KB |
Output is correct |
| 7 |
Correct |
13 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
15 ms |
2732 KB |
Output is correct |
| 9 |
Correct |
9 ms |
1628 KB |
Output is correct |
| 10 |
Correct |
10 ms |
1628 KB |
Output is correct |
| 11 |
Correct |
11 ms |
1628 KB |
Output is correct |
| 12 |
Correct |
12 ms |
1628 KB |
Output is correct |
| 13 |
Correct |
17 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
9 ms |
1628 KB |
Output is correct |
| 15 |
Correct |
10 ms |
1628 KB |
Output is correct |
| 16 |
Correct |
16 ms |
3164 KB |
Output is correct |
| 17 |
Correct |
12 ms |
2252 KB |
Output is correct |
| 18 |
Correct |
9 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 |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 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 |
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 |
1 ms |
348 KB |
Output is correct |
