제출 #145492

#제출 시각아이디문제언어결과실행 시간메모리
145492charlies_mooRasvjeta (COCI17_rasvjeta)C++98
10 / 50
1086 ms380 KiB
#include <iostream>
using namespace std;
int main(){
    int n,k,l,i,j;
    int a[4000]={0};
    cin >>n>>k>>l;
    int x;
    for(i=0;i<k;i++){
        cin >>x;
        for(j=x-l;j<=x+l;j++){
            a[j]=1;
        }
    }
    int s=0;
    while(i<n){
        if(a[i]==0){
            for(j=i;j<=i+2*l;j++){
                a[j]=1;
            }
            s++;
            i=j;
        }
    }
    cout <<s;
}
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