Submission #1119797

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119797		kasdo	Poi (IOI09_poi)	C++14	100 / 100	422 ms	39104 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int maxn = 2005;
int a[maxn][maxn], scores[maxn];
int n, t, p;
struct ptt
{
    int v, c, idx;
};
bool cmp(ptt a, ptt b)
{
    if (a.v == b.v)
    {
        if (a.c == b.c) return a.idx < b.idx;
        return a.c > b.c;
    }
    return a.v > b.v;
}
signed main()
{
    cin>>n>>t>>p;

    for(int i=0; i<n; i++)
    {
        for(int j=0; j<t; j++)
        {
            cin>>a[i][j];
            scores[j] += a[i][j];
        }
    }
    
    int ans = 0, cnt = 0;
    vector<ptt> v;
    for(int i=0; i<n; i++)
    {
        int cur = 0, cur2 = 0;
        for(int j=0; j<t; j++)
        {
            if (a[i][j] == 1)
            {
                cur += n - scores[j];
                cur2++;
            }
        }
        if (i == p - 1) ans = cur;
        v.push_back({cur, cur2, i});
    }
    sort(v.begin(), v.end(), cmp);
    
    for(auto [i, j, idx] : v)
    {
        cnt++;
        if (idx == p - 1)
        {
            cout<<ans<<" "<<cnt<<endl;
            break;
        }
    }
    
    return 0;
}

Compilation message (stderr)

poi.cpp: In function 'int main()':
poi.cpp:51:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   51 |     for(auto [i, j, idx] : v)
      |              ^

• Subtask 1: 100 / 100