Submission #546898

#	Time	Username	Problem	Language	Result	Execution time	Memory
546898		Ahmed57	Baloni (COCI15_baloni)	C++14	100 / 100	342 ms	7320 KiB

baloni

#include<bits/stdc++.h>

using namespace std;

int main(){
    int n;
    cin>>n;
    int arr[n];
    for(int i =  0;i<n;i++)cin>>arr[i];
    map<int,int> mp;
    int ans = 0;
    for(int i = 0;i<n;i++){
        if(mp[arr[i]]){
            mp[arr[i]]--;
            mp[arr[i]-1]++;
        }else{
            mp[arr[i]-1]++;
            ans++;
        }
    }
    cout<<ans<<"\n";
}

• Subtask 1: 100 / 100