Submission #653705

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
653705	2022-10-27T18:13:52 Z	Juan	Martian DNA (BOI18_dna)	C++14	100 / 100	310 ms	10504 KB

dna

#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 5;
#define pii pair<int, int>
#define ll long long

int v[maxn], need[maxn];
map<int, int> mp;

int main(){
	int n, k, m; cin >> n >> k >> m;
	for(int i = 0; i < n; i++) cin >> v[i];
	for(int i = 0; i < m; i++){
		int a, b; cin >> a >> b;
		need[a] = b;
	}

	int l = 0, r = 0;
	int ans = n+1, invalid_cnt = m;
	while(l<n){
		bool term = false;
		while(invalid_cnt){
			if(r==n) {term = true; break;}
			mp[v[r]]++;
			if(mp[v[r]]==need[v[r]]) invalid_cnt--;
			r++;
		}
		if(term==true) break;
		while(true){
			if(mp[v[l]]==need[v[l]]) break;
			mp[v[l]]--;
			l++;
		}
		ans = min(ans, r-l);
		mp[v[l]]--, invalid_cnt++, l++;
	}

	if(ans == n+1) cout << "impossible\n";
	else cout << ans << '\n';
}

Subtask #1

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	312 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct

Subtask #2

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	2 ms	340 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	31 ms	1040 KB	Output is correct
2	Correct	27 ms	984 KB	Output is correct
3	Correct	34 ms	1048 KB	Output is correct
4	Correct	31 ms	976 KB	Output is correct
5	Correct	157 ms	4864 KB	Output is correct
6	Correct	35 ms	1068 KB	Output is correct
7	Correct	44 ms	1044 KB	Output is correct
8	Correct	195 ms	10504 KB	Output is correct
9	Correct	111 ms	1464 KB	Output is correct
10	Correct	36 ms	984 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	3 ms	340 KB	Output is correct
14	Correct	4 ms	468 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	182 ms	5132 KB	Output is correct
2	Correct	163 ms	4112 KB	Output is correct
3	Correct	145 ms	4024 KB	Output is correct
4	Correct	27 ms	1068 KB	Output is correct
5	Correct	168 ms	6068 KB	Output is correct
6	Correct	310 ms	10240 KB	Output is correct
7	Correct	97 ms	1472 KB	Output is correct
8	Correct	134 ms	2032 KB	Output is correct
9	Correct	30 ms	1012 KB	Output is correct
10	Correct	28 ms	980 KB	Output is correct
11	Correct	34 ms	1064 KB	Output is correct
12	Correct	35 ms	964 KB	Output is correct
13	Correct	148 ms	4864 KB	Output is correct
14	Correct	32 ms	980 KB	Output is correct
15	Correct	47 ms	1072 KB	Output is correct
16	Correct	204 ms	10456 KB	Output is correct
17	Correct	106 ms	1484 KB	Output is correct
18	Correct	33 ms	980 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	3 ms	468 KB	Output is correct
23	Correct	3 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct