Submission #382525

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
382525	2021-03-27T15:04:03 Z	ritul_kr_singh	Martian DNA (BOI18_dna)	C++17	100 / 100	39 ms	3436 KB

dna

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << " " <<
#define nl << "\n"

signed main(){
	cin.tie(0)->sync_with_stdio(0);
	int n, k, r; cin >> n >> k >> r;
	int a[n], b[k];
	fill(b, b+k, -n);
	for(int i=0; i<n; ++i) cin >> a[i];
	for(int i=0, j; i<r; ++i) cin >> j >> b[j];

	int i = 0, curr = n-r, ans = 1e18;
	for(int j=0; j<n; ++j){
		curr += --b[a[j]]==0;
		while(i<j and b[a[i]] < 0) ++b[a[i++]];
		if(curr==n) ans = min(ans, j-i+1);
	}
	if(ans==(int)1e18) cout << "impossible";
	else cout << ans;
}

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	384 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	380 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	384 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 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

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	1900 KB	Output is correct
2	Correct	18 ms	1900 KB	Output is correct
3	Correct	16 ms	1900 KB	Output is correct
4	Correct	15 ms	1900 KB	Output is correct
5	Correct	21 ms	2540 KB	Output is correct
6	Correct	17 ms	1900 KB	Output is correct
7	Correct	15 ms	1900 KB	Output is correct
8	Correct	24 ms	3436 KB	Output is correct
9	Correct	18 ms	1900 KB	Output is correct
10	Correct	17 ms	1900 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 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	364 KB	Output is correct
21	Correct	0 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	2668 KB	Output is correct
2	Correct	30 ms	2412 KB	Output is correct
3	Correct	26 ms	2412 KB	Output is correct
4	Correct	16 ms	1900 KB	Output is correct
5	Correct	35 ms	2668 KB	Output is correct
6	Correct	39 ms	3308 KB	Output is correct
7	Correct	24 ms	1900 KB	Output is correct
8	Correct	30 ms	2028 KB	Output is correct
9	Correct	16 ms	1900 KB	Output is correct
10	Correct	16 ms	1900 KB	Output is correct
11	Correct	16 ms	1900 KB	Output is correct
12	Correct	15 ms	1900 KB	Output is correct
13	Correct	20 ms	2540 KB	Output is correct
14	Correct	14 ms	1900 KB	Output is correct
15	Correct	18 ms	1900 KB	Output is correct
16	Correct	29 ms	3436 KB	Output is correct
17	Correct	18 ms	1900 KB	Output is correct
18	Correct	18 ms	1900 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	2 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