#include<bits/stdc++.h>
using namespace std;
int mini[200005],byk[200005];
int s[200005];
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int n,k,r,x,y;
cin >> n >> k >> r;
for(int i=0;i<n;i++)cin >> s[i];
for(int i=1;i<=r;i++){
cin >> x >> y;
mini[x]=y;
}
set<int> valid;
for(int i=0;i<k;i++){
if(mini[i]==0)valid.insert(i);
}
int ans=n+1,awal=0,akhir=0;
byk[s[0]]++;
if(byk[s[0]]==mini[s[0]])valid.insert(s[0]);
while(awal<=akhir && akhir<n){
bool stat=(valid.size()==k);
if(!stat){
if(akhir<n-1){
akhir++;
byk[s[akhir]]++;
if(byk[s[akhir]]==mini[s[akhir]])valid.insert(s[akhir]);
}
else break;
}
else{
ans=min(ans,akhir-awal+1);
byk[s[awal]]--;
if(byk[s[awal]]==mini[s[awal]]-1)valid.erase(s[awal]);
awal++;
}
}
if(ans==n+1)cout << "impossible\n";
else cout << ans << '\n';
return 0;
}
Compilation message
dna.cpp: In function 'int main()':
dna.cpp:24:29: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
24 | bool stat=(valid.size()==k);
| ~~~~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
620 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
1516 KB |
Output is correct |
2 |
Correct |
22 ms |
1516 KB |
Output is correct |
3 |
Correct |
27 ms |
1132 KB |
Output is correct |
4 |
Correct |
23 ms |
1132 KB |
Output is correct |
5 |
Correct |
38 ms |
5228 KB |
Output is correct |
6 |
Correct |
14 ms |
1152 KB |
Output is correct |
7 |
Correct |
15 ms |
1132 KB |
Output is correct |
8 |
Correct |
65 ms |
11372 KB |
Output is correct |
9 |
Correct |
19 ms |
1516 KB |
Output is correct |
10 |
Correct |
15 ms |
1132 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
620 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
0 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
125 ms |
5612 KB |
Output is correct |
2 |
Correct |
110 ms |
4460 KB |
Output is correct |
3 |
Correct |
62 ms |
4460 KB |
Output is correct |
4 |
Correct |
14 ms |
1132 KB |
Output is correct |
5 |
Correct |
38 ms |
2796 KB |
Output is correct |
6 |
Correct |
134 ms |
10988 KB |
Output is correct |
7 |
Correct |
22 ms |
2540 KB |
Output is correct |
8 |
Correct |
29 ms |
3436 KB |
Output is correct |
9 |
Correct |
20 ms |
1516 KB |
Output is correct |
10 |
Correct |
22 ms |
1516 KB |
Output is correct |
11 |
Correct |
26 ms |
1516 KB |
Output is correct |
12 |
Correct |
23 ms |
1644 KB |
Output is correct |
13 |
Correct |
36 ms |
6380 KB |
Output is correct |
14 |
Correct |
14 ms |
1516 KB |
Output is correct |
15 |
Correct |
16 ms |
1772 KB |
Output is correct |
16 |
Correct |
64 ms |
12672 KB |
Output is correct |
17 |
Correct |
20 ms |
2668 KB |
Output is correct |
18 |
Correct |
15 ms |
1516 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
2 ms |
620 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
400 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |