Submission #1063650

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063650		vjudge1	Baloni (COCI15_baloni)	C++17	0 / 100	248 ms	7504 KiB

baloni

#include <bits/stdc++.h>
#define MAXN 1000000
using namespace std;

void solve(){
    int n; cin>>n;
    int xd[n];
    map <int,int> lol;
    for (int i=0;i<n;i++){
        cin>>xd[i];
        lol[xd[i]]++;
    }
    int ans=0;
    for (int i=0;i<n;i++){
        if(lol[xd[i]-1]>0) lol[xd[i]-1]--;
        else ans++;
        lol[xd[i]]--;
    }
    cout<<ans<<endl;
}


int main() {
    int t; t=1;
    while(t--){
        solve();
    }
}

• Subtask 1: 0 / 100