Submission #590010

#	Time	Username	Problem	Language	Result	Execution time	Memory
590010		0123xx	Baloni (COCI15_baloni)	C++14	0 / 100	67 ms	3700 KiB

baloni

#include <bits/stdc++.h>
using namespace std;
int n, ar[1000005], freq[1000005], ans;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i<= n; i++){
        cin >> ar[i];
        if (freq[ar[i]+1] == 0){
            freq[ar[i]+1]--;
        }
        else{
            ans++;
        }
        freq[ar[i]]++;
    }
    cout << ans << "\n";
}

• Subtask 1: 0 / 100