Submission #162697

#	Time	Username	Problem	Language	Result	Execution time	Memory
162697		Leonardo_Paes	Baloni (COCI15_baloni)	C++17	0 / 100	88 ms	7288 KiB

baloni

#include <bits/stdc++.h>

using namespace std;

const int maxn = 1e6+10;

bitset<maxn> mark;

int h[maxn];

int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

    int n, ans=0;

    cin >> n;

    for(int i=1; i<=n; i++) cin >> h[i];

    for(int i=n; i>=1; i--){
        if(mark[h[i]-1]){
            mark[h[i]-1] = false;
        }
        else{
            ans++;
        }
        mark[h[i]] = true;
    }

    cout << ans << endl;

    return 0;
}

• Subtask 1: 0 / 100