제출 #95109

#제출 시각아이디문제언어결과실행 시간메모리
95109karlopuhBaloni (COCI15_baloni)C++14
0 / 100
191 ms1632 KiB
#include <bits/stdc++.h>
using namespace std;

vector <bool> moze(10000001,false);
int brojac,n;

int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		int broj;
		cin>>broj;
		if(!moze[broj+i]){
			brojac++;
			moze[broj+i]=true;		
		}
	}
	
	cout<<brojac;
	
}
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