Submission #1018819

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018819		biserailieva	Poklon (COCI17_poklon)	C++14	56 / 140	5088 ms	4284 KiB

poklon

#include <bits/stdc++.h>
using namespace std;
 
int main()
{
    int n, q;
    cin>>n>>q;
    int A[n];
    for(int i=0;i<n;i++)
    {
        cin>>A[i];
    }
    for(int i=0;i<q;i++)
    {
        int l, r;
        cin>>l>>r;
        map<int, int>freq;
        int cnt=0;
        for(int i=l-1;i<=r-1;i++)
        {
            freq[A[i]]++;
        }
        for(int i=l-1;i<=r-1;i++)
        {
            if(freq[A[i]]==2)
            {
                cnt++;
                freq[A[i]]=0;
            }
        }
        cout<<cnt<<endl;
    }
    return 0;
}

• Subtask 1: 56 / 140