Submission #728007

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
728007	2023-04-21T19:07:14 Z	WonderfulWhale	Martian DNA (BOI18_dna)	C++17	100 / 100	46 ms	8128 KB

dna

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

#define int int64_t
#define pb push_back
#define st first
#define nd second
#define pii pair<int, int>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()

const int MAXN = 200009;

int cnt[MAXN];
int sum[MAXN];
int cur[MAXN];
int tab[MAXN];

int32_t main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n, k, r;
	cin >> n >> k >> r;
	for(int i=0;i<n;i++) {
		cin >> tab[i];
		sum[tab[i]]++;
	}
	for(int i=0;i<r;i++) {
		int a, b;
		cin >> a >> b;
		cnt[a] = b;
		if(sum[a]<b) {
			cout << "impossible\n";
			return 0;
		}
	}
	int R = -1;
	int bad_cnt = r;
	int ans = 1e9;
	for(int L=0;L<n;L++) {
		while(R+1<n && bad_cnt) {
			R++;
			cur[tab[R]]++;
			if(cur[tab[R]]==cnt[tab[R]]) {
				bad_cnt--;
			}
		}
		if(bad_cnt==0) {
			ans = min(ans, R-L+1);
		}
		cur[tab[L]]--;
		if(cur[tab[L]]==cnt[tab[L]]-1) {
			bad_cnt++;
		}
	}
	cout << ans << "\n";
}

Subtask #1

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct

Subtask #2

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	0 ms	336 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	2304 KB	Output is correct
2	Correct	17 ms	2208 KB	Output is correct
3	Correct	15 ms	2296 KB	Output is correct
4	Correct	13 ms	2260 KB	Output is correct
5	Correct	20 ms	4280 KB	Output is correct
6	Correct	13 ms	2272 KB	Output is correct
7	Correct	12 ms	2408 KB	Output is correct
8	Correct	25 ms	6220 KB	Output is correct
9	Correct	16 ms	2924 KB	Output is correct
10	Correct	13 ms	2268 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	328 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	33 ms	5460 KB	Output is correct
2	Correct	25 ms	4812 KB	Output is correct
3	Correct	23 ms	4504 KB	Output is correct
4	Correct	13 ms	2280 KB	Output is correct
5	Correct	23 ms	4044 KB	Output is correct
6	Correct	46 ms	8128 KB	Output is correct
7	Correct	18 ms	3084 KB	Output is correct
8	Correct	19 ms	3448 KB	Output is correct
9	Correct	11 ms	2284 KB	Output is correct
10	Correct	17 ms	2264 KB	Output is correct
11	Correct	13 ms	2268 KB	Output is correct
12	Correct	15 ms	2308 KB	Output is correct
13	Correct	22 ms	4256 KB	Output is correct
14	Correct	16 ms	2244 KB	Output is correct
15	Correct	17 ms	2452 KB	Output is correct
16	Correct	31 ms	6312 KB	Output is correct
17	Correct	17 ms	2956 KB	Output is correct
18	Correct	12 ms	2188 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	408 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct