Submission #132786

#	Time	Username	Problem	Language	Result	Execution time	Memory
132786		Vardanyan	Baloni (COCI15_baloni)	C++14	100 / 100	126 ms	28536 KiB

baloni

#include <bits/stdc++.h>
using namespace std;
const int N = 1000*1000+5;
int a[N];
bool col[N];
vector<int> mark[N];
int main(){
    ios_base::sync_with_stdio(false);
    int n;
   // cout<<0<<endl;
    cin>>n;
    for(int i = 1;i<=n;i++) cin>>a[i];
    int ans = 0;

    for(int i = 1;i<=n;i++){
        int x = a[i];
        if(mark[x+1].size() == 0){
            mark[x].push_back(i);
            ans++;
            continue;
        }
        mark[x+1].pop_back();
        mark[x].push_back(i);
    }
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 100 / 100