Submission #629847

#	Time	Username	Problem	Language	Result	Execution time	Memory
629847		chinmoy_101	Poi (IOI09_poi)	C++14	0 / 100	220 ms	3928 KiB

poi

#include<bits/stdc++.h>
using namespace std;
#define ll long long
bool cmp(pair<int, int> &a, pair<int, int> &b)
{
    if(a.second != b.second)
    {
        return a.second>b.second;
    }
    else
    {
        if(a.first != b.first)
        {
            return a.first<b.first;
        }
    }
    //return 0;
}
int main()
{
	ios::sync_with_stdio(0);
    cin.tie(0);

    int n, t, p;
    cin>>n >>t >>p;
    vector<int> points_for_each_task_array(t, 0);
    vector<vector<int> > arr(n, {0, 0});
    vector<pair<int, int>> final_standing(n, {0, 0});
    //calculating points for each task
    for(int i=0; i<n; i++)
    {
        for(int j=0; j<t; j++)
        {
            cin>>arr[i][j];
            if(arr[i][j]==0)
            {
                points_for_each_task_array[j]++;
            }
        }
    }
    //calculating the no.of points that each contestant got
    //And putting the contestant id and marks in the final_standing
    for(int i=0; i<n; i++)
    {
        int ans=0;
        for(int j=0; j<t; j++)
        {
            if(arr[i][j]==1)
            {
                ans+=points_for_each_task_array[j];
            }
        }
        final_standing[i]={i, ans};
    }
    //sorting according to condition
    sort(final_standing.begin(), final_standing.end(), cmp);
    //printing     (0 base indexing )
    cout<<final_standing[p-1].second <<" " <<final_standing[p-1].first+1  <<"\n";
    return 0;
}

Compilation message (stderr)

poi.cpp: In function 'bool cmp(std::pair<int, int>&, std::pair<int, int>&)':
poi.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
   18 | }
      | ^

• Subtask 1: 0 / 100