Submission #530341

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
530341	2022-02-25T07:08:38 Z	fatemetmhr	Martian DNA (BOI18_dna)	C++17	100 / 100	35 ms	3824 KB

dna

#include <bits/stdc++.h>

using namespace std;

const int maxn5 = 3e5 + 10;

int a[maxn5], req[maxn5];

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	
	int n, k, r;
	cin >> n >> k >> r;
	for(int i = 0; i < n; i++)
		cin >> a[i];
	for(int i = 0; i < r; i++){
		int a, b; cin >> a >> b;
		req[a] = b;
	}
	int id = 0;
	req[a[0]]--;
	int rem = r, ans = n + 10;
	if(req[a[0]] == 0)
		rem--;
	for(int i = 0; i < n; i++){
		while(rem && id < n - 1){
			id++;
			req[a[id]]--;
			if(req[a[id]] == 0)
				rem--;
		}
		if(rem == 0)
			ans = min(ans, id - i + 1);
		req[a[i]]++;
		if(req[a[i]] == 1)
			rem++;
		if(id == i){
			id++;
			req[a[id]]--;
			if(req[a[id]] == 0)
				rem--;
		}
	}
	if(ans > n)
		cout << "impossible" << endl;
	else
		cout << ans << endl;
}

Subtask #1

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	316 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct

Subtask #2

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	376 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	316 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	1476 KB	Output is correct
2	Correct	12 ms	1412 KB	Output is correct
3	Correct	14 ms	1476 KB	Output is correct
4	Correct	13 ms	1500 KB	Output is correct
5	Correct	27 ms	2492 KB	Output is correct
6	Correct	12 ms	1484 KB	Output is correct
7	Correct	12 ms	1568 KB	Output is correct
8	Correct	19 ms	3012 KB	Output is correct
9	Correct	15 ms	1952 KB	Output is correct
10	Correct	12 ms	1484 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	328 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	1 ms	316 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	26 ms	3140 KB	Output is correct
2	Correct	23 ms	2856 KB	Output is correct
3	Correct	19 ms	2552 KB	Output is correct
4	Correct	12 ms	1484 KB	Output is correct
5	Correct	35 ms	3564 KB	Output is correct
6	Correct	33 ms	3824 KB	Output is correct
7	Correct	16 ms	2116 KB	Output is correct
8	Correct	20 ms	2336 KB	Output is correct
9	Correct	12 ms	1416 KB	Output is correct
10	Correct	13 ms	1412 KB	Output is correct
11	Correct	13 ms	1476 KB	Output is correct
12	Correct	13 ms	1484 KB	Output is correct
13	Correct	18 ms	2620 KB	Output is correct
14	Correct	13 ms	1476 KB	Output is correct
15	Correct	17 ms	1612 KB	Output is correct
16	Correct	26 ms	3016 KB	Output is correct
17	Correct	15 ms	1988 KB	Output is correct
18	Correct	12 ms	1436 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	328 KB	Output is correct
23	Correct	1 ms	352 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	0 ms	324 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct