제출 #956175

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
956175		lalig777	Baloni (COCI15_baloni)	C++14	0 / 100	135 ms	4024 KiB

baloni

/******************************************************************************

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long int ll;
int main(){
    int n, ans=0; cin>>n;
    vector<bool>v(1e6, false);
    while (n--){
        int a; cin>>a;
        if (v[a-1]==true){
            v[a-1]=false;
            if (a-2>=0) v[a-2]=true;
        }else{
            ans++;
            if (a-2>=0) v[a-2]=true;
        }
    }cout<<ans<<endl;
    return 0;
}

• Subtask 1: 0 / 100