Submission #373112

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
373112	2021-03-03T12:25:30 Z	mariowong	Martian DNA (BOI18_dna)	C++14	100 / 100	41 ms	4608 KB

dna

#include <bits/stdc++.h>
using namespace std;

int m,q,n,ans,l,r,u,v,ct[200005],now[200005],ok,a[200005]; 
int main(){
	ios::sync_with_stdio(false);
	cin >> n >> m >> q;
	for (int i=1;i<=n;i++){
		cin >> a[i];
	}
	for (int i=1;i<=q;i++){
		cin >> u >> v;
		ct[u]=v;
	}
	l=1; r=0; ans=1e9;
	while (l <= n && r <= n){
		if (ok == q){
			ans=min(ans,r-l+1);
			if (now[a[l]] == ct[a[l]])
			ok--;
			now[a[l]]--;
			l++;
		}
		else
		{
			r++;
			now[a[r]]++;
			if (now[a[r]] == ct[a[r]])
			ok++;
		}
	}
	if (ans == 1e9)
	cout << "impossible\n";
	else
	cout << ans << "\n";
	return 0;
}	

Subtask #1

16.0 / 16.0

#	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

Subtask #2

24.0 / 24.0

#	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
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	384 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	1516 KB	Output is correct
2	Correct	16 ms	1516 KB	Output is correct
3	Correct	17 ms	1644 KB	Output is correct
4	Correct	16 ms	1516 KB	Output is correct
5	Correct	21 ms	2688 KB	Output is correct
6	Correct	15 ms	1516 KB	Output is correct
7	Correct	15 ms	1764 KB	Output is correct
8	Correct	23 ms	3200 KB	Output is correct
9	Correct	19 ms	2156 KB	Output is correct
10	Correct	17 ms	1516 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
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	384 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 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

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	34 ms	3536 KB	Output is correct
2	Correct	31 ms	3200 KB	Output is correct
3	Correct	25 ms	2796 KB	Output is correct
4	Correct	15 ms	1516 KB	Output is correct
5	Correct	36 ms	4076 KB	Output is correct
6	Correct	41 ms	4608 KB	Output is correct
7	Correct	20 ms	2156 KB	Output is correct
8	Correct	23 ms	2540 KB	Output is correct
9	Correct	15 ms	1516 KB	Output is correct
10	Correct	16 ms	1516 KB	Output is correct
11	Correct	17 ms	1516 KB	Output is correct
12	Correct	16 ms	1516 KB	Output is correct
13	Correct	21 ms	2668 KB	Output is correct
14	Correct	15 ms	1516 KB	Output is correct
15	Correct	15 ms	1772 KB	Output is correct
16	Correct	23 ms	3180 KB	Output is correct
17	Correct	19 ms	2156 KB	Output is correct
18	Correct	16 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	364 KB	Output is correct
22	Correct	1 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
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	364 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