Submission #357892

#	Time	Username	Problem	Language	Result	Execution time	Memory
357892		beepbeepsheep	Baloni (COCI15_baloni)	C++17	100 / 100	71 ms	11884 KiB

baloni

#include <bits/stdc++.h>

using namespace std;
#define ll long long

const ll bignum=1e17;
const int inf= 2e9;
const int mod= 1e9+7;


ll arr[1000001];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    memset(arr,0,sizeof(arr));
    ll n,ele,ans=0;
    cin>>n;
    for (int i=0;i<n;i++){
        cin>>ele;
        if (arr[ele]==0){
            ans++;
            arr[ele-1]++;
        }
        else{
            arr[ele]--;
            arr[ele-1]++;
        }
    }
    cout<<ans;
    return 0;
}

• Subtask 1: 100 / 100