Submission #934940

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
934940	2024-02-28T08:12:11 Z	ttamx	Martian DNA (BOI18_dna)	C++17	0 / 100	24 ms	4908 KB

dna

#include<bits/stdc++.h>

using namespace std;

const int N=2e5+5;

int n,k,r;
int a[N],mn[N],cnt[N];

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> k >> r;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=0;i<r;i++){
        int x,y;
        cin >> x >> y;
        mn[x]=y;
    }
    int p=1;
    for(int i=0;i<k;i++)while(cnt[i]<mn[i]&&p<=n)cnt[a[p++]]++;
    if(p>n)cout << "impossible\n",exit(0);
    int ans=p-1;
    for(int i=1;i<n;i++){
        cnt[a[i]]--;
        while(cnt[a[i]]<mn[a[i]]&&p<=n)cnt[a[p++]]++;
        if(p>n)break;
        ans=min(ans,p-i-1);
    }
    cout << ans;
}

Subtask #1

0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Incorrect	1 ms	2396 KB	Output isn't correct
4	Halted	0 ms	0 KB	-

Subtask #2

0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2532 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Incorrect	1 ms	2396 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #3

0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	2908 KB	Output is correct
2	Correct	13 ms	2908 KB	Output is correct
3	Correct	10 ms	3032 KB	Output is correct
4	Correct	14 ms	2912 KB	Output is correct
5	Correct	12 ms	3912 KB	Output is correct
6	Incorrect	8 ms	2908 KB	Output isn't correct
7	Halted	0 ms	0 KB	-

Subtask #4

0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	4440 KB	Output is correct
2	Correct	19 ms	4184 KB	Output is correct
3	Correct	16 ms	3932 KB	Output is correct
4	Correct	9 ms	2908 KB	Output is correct
5	Correct	21 ms	4908 KB	Output is correct
6	Correct	24 ms	4804 KB	Output is correct
7	Correct	13 ms	3516 KB	Output is correct
8	Correct	14 ms	3652 KB	Output is correct
9	Correct	9 ms	2888 KB	Output is correct
10	Correct	10 ms	2908 KB	Output is correct
11	Correct	10 ms	2880 KB	Output is correct
12	Correct	9 ms	3160 KB	Output is correct
13	Correct	12 ms	3932 KB	Output is correct
14	Incorrect	8 ms	2908 KB	Output isn't correct
15	Halted	0 ms	0 KB	-