답안 #862878

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
862878	2023-10-19T07:44:45 Z	iskhakkutbilim	Martian DNA (BOI18_dna)	C++17	100 / 100	28 ms	5844 KB

dna

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

#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 2e5;

int n, k, q;
vector<int> a;
vector<pair<int, int> > query;
int nuk[N+10], need[N + 10];



main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	cin >> n >> k >> q;
	a.resize(n);
	for(int i = 0;i < n; i++){
		cin >> a[i];
		nuk[a[i]]++;
	}
	for(int i = 0;i < q; i++){
		int c, cnt; cin >> c >> cnt;
		query.push_back({c, cnt});
		need[c] = cnt;
	}
	for(auto [c, cnt] : query){
		if(nuk[c] < cnt){
			cout << "impossible";
			return 0;
		}
	}
	for(int i = 0;i < n; i++) nuk[a[i]] = 0;
	int ans = n, ok = 0;
	for(int l = 0, r = 0; l < n; l++){
		while(r < n && ok < q){
			nuk[a[r]]++;
			if(nuk[a[r]] == need[a[r]]){
				ok++;
			}
			r++;
		}
		if(ok > q) assert(false);
		if(ok == q){
			ans = min(ans, r - l);
		}
		if(nuk[a[l]] == need[a[l]]){
			ok--;
		}
		nuk[a[l]]--;
	}
	cout << ans;
	return 0;
}

Compilation message

dna.cpp:16:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   16 | main(){
      | ^~~~

Subtask #1

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	464 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	460 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct

Subtask #2

24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	600 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	480 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	472 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	1636 KB	Output is correct
2	Correct	10 ms	1628 KB	Output is correct
3	Correct	11 ms	1500 KB	Output is correct
4	Correct	10 ms	1628 KB	Output is correct
5	Correct	13 ms	2652 KB	Output is correct
6	Correct	9 ms	1624 KB	Output is correct
7	Correct	9 ms	1760 KB	Output is correct
8	Correct	15 ms	3164 KB	Output is correct
9	Correct	12 ms	2140 KB	Output is correct
10	Correct	12 ms	1628 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	544 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	472 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	460 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	4560 KB	Output is correct
2	Correct	20 ms	3700 KB	Output is correct
3	Correct	17 ms	3420 KB	Output is correct
4	Correct	10 ms	1632 KB	Output is correct
5	Correct	22 ms	5328 KB	Output is correct
6	Correct	28 ms	5844 KB	Output is correct
7	Correct	13 ms	2396 KB	Output is correct
8	Correct	15 ms	2732 KB	Output is correct
9	Correct	9 ms	1628 KB	Output is correct
10	Correct	10 ms	1628 KB	Output is correct
11	Correct	11 ms	1628 KB	Output is correct
12	Correct	12 ms	1628 KB	Output is correct
13	Correct	17 ms	2652 KB	Output is correct
14	Correct	9 ms	1628 KB	Output is correct
15	Correct	10 ms	1628 KB	Output is correct
16	Correct	16 ms	3164 KB	Output is correct
17	Correct	12 ms	2252 KB	Output is correct
18	Correct	9 ms	1628 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct