답안 #330266

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
330266	2020-11-24T10:33:50 Z	nandonathaniel	Martian DNA (BOI18_dna)	C++14	100 / 100	134 ms	12672 KB

dna

#include<bits/stdc++.h>
using namespace std;
 
int mini[200005],byk[200005];
int s[200005];

int main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n,k,r,x,y;
    cin >> n >> k >> r;
    for(int i=0;i<n;i++)cin >> s[i];
    for(int i=1;i<=r;i++){
    	cin >> x >> y;
    	mini[x]=y;
	}
	set<int> valid;
	for(int i=0;i<k;i++){
		if(mini[i]==0)valid.insert(i);
	}
	int ans=n+1,awal=0,akhir=0;
    byk[s[0]]++;
    if(byk[s[0]]==mini[s[0]])valid.insert(s[0]);
    while(awal<=akhir && akhir<n){
    	bool stat=(valid.size()==k);
    	if(!stat){
    		if(akhir<n-1){
    			akhir++;
    			byk[s[akhir]]++;
    			if(byk[s[akhir]]==mini[s[akhir]])valid.insert(s[akhir]);
			}
			else break;
		}
		else{
			ans=min(ans,akhir-awal+1);
			byk[s[awal]]--;
			if(byk[s[awal]]==mini[s[awal]]-1)valid.erase(s[awal]);
			awal++;
		}
	}
	if(ans==n+1)cout << "impossible\n";
	else cout << ans << '\n';
	return 0;
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:24:29: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |      bool stat=(valid.size()==k);
      |                 ~~~~~~~~~~~~^~~

Subtask #1

16.0 / 16.0

#	결과	실행 시간	메모리	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	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 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

Subtask #2

24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	620 KB	Output is correct
5	Correct	1 ms	492 KB	Output is correct
6	Correct	1 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

#	결과	실행 시간	메모리	Grader output
1	Correct	22 ms	1516 KB	Output is correct
2	Correct	22 ms	1516 KB	Output is correct
3	Correct	27 ms	1132 KB	Output is correct
4	Correct	23 ms	1132 KB	Output is correct
5	Correct	38 ms	5228 KB	Output is correct
6	Correct	14 ms	1152 KB	Output is correct
7	Correct	15 ms	1132 KB	Output is correct
8	Correct	65 ms	11372 KB	Output is correct
9	Correct	19 ms	1516 KB	Output is correct
10	Correct	15 ms	1132 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	492 KB	Output is correct
14	Correct	1 ms	620 KB	Output is correct
15	Correct	1 ms	492 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	1 ms	364 KB	Output is correct
22	Correct	0 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

#	결과	실행 시간	메모리	Grader output
1	Correct	125 ms	5612 KB	Output is correct
2	Correct	110 ms	4460 KB	Output is correct
3	Correct	62 ms	4460 KB	Output is correct
4	Correct	14 ms	1132 KB	Output is correct
5	Correct	38 ms	2796 KB	Output is correct
6	Correct	134 ms	10988 KB	Output is correct
7	Correct	22 ms	2540 KB	Output is correct
8	Correct	29 ms	3436 KB	Output is correct
9	Correct	20 ms	1516 KB	Output is correct
10	Correct	22 ms	1516 KB	Output is correct
11	Correct	26 ms	1516 KB	Output is correct
12	Correct	23 ms	1644 KB	Output is correct
13	Correct	36 ms	6380 KB	Output is correct
14	Correct	14 ms	1516 KB	Output is correct
15	Correct	16 ms	1772 KB	Output is correct
16	Correct	64 ms	12672 KB	Output is correct
17	Correct	20 ms	2668 KB	Output is correct
18	Correct	15 ms	1516 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	492 KB	Output is correct
22	Correct	2 ms	620 KB	Output is correct
23	Correct	1 ms	492 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	400 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