Submission #458057

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
458057	2021-08-07 23:44:49	JovanB	Martian DNA (BOI18_dna)	C++17	100 / 100	71 ms	4456 KiB

dna

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#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
 
int n, k, R;
 
int niz[200005];
int treba[200005];
int br[200005];
 
bool check(int x){
    for(int i=1; i<=k; i++){
        br[i] = 0;
    }
    int cnt = 0;
    for(int i=1; i<=x; i++){
        br[niz[i]]++;
        if(br[niz[i]] == treba[niz[i]]) cnt++;
    }
    if(cnt >= R) return 1;
    for(int i=x+1; i<=n; i++){
        br[niz[i]]++;
        if(br[niz[i]] == treba[niz[i]]) cnt++;
        br[niz[i-x]]--;
        if(br[niz[i-x]] == treba[niz[i-x]]-1) cnt--;
        if(cnt >= R) return 1;
    }
    return 0;
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32