Submission #972650

#	Time	Username	Problem	Language	Result	Execution time	Memory
972650		marinaluca	Poi (IOI09_poi)	C++17	100 / 100	196 ms	39768 KiB

poi

#include <bits/stdc++.h>
#pragma GCC opitmize ("O4")
#pragma GCC optimize ("fast-math")
#pragma GCC optimize ("unroll-loops")

using namespace std;

#define int long long
#define ll long long
#define xx first
#define yy second
#define all (x) begin (x), end(x)

int n, t, p;
const int NMAX = 2e3 + 10;

int solve[NMAX][NMAX];
int puncte[NMAX];

struct elem {
    int idx = 0;
    int sc = 0;
    int ca = 0;
    friend bool operator<(elem a, elem b){
        if (a.sc == b.sc){
            if (a.ca == b.ca){
                return a.idx > b.idx;
            }
            return a.ca < b.ca;
        }
        return a.sc < b.sc;
    }
}v[NMAX];
signed main (void){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> t >> p;
    for (int i = 1; i <= n; ++ i){
        v[i].idx = i;
        for (int j = 1; j <= t; ++ j){
            cin >> solve[i][j];
            if (solve[i][j]){
                v[i].ca ++, puncte[j] ++;
            }
        }
    }
    for (int j = 1; j <= t; ++ j){
        puncte[j] = n - puncte[j];
    }
    for (int i = 1; i <= n; ++ i){
        for (int j = 1; j <= t; ++ j){
            if (solve[i][j]){
                v[i].sc += puncte[j];
            }
        }
    }
    sort (v + 1, v + n +1);
    reverse (v + 1, v + n +1);
    for (int i = 1; i <= n; ++ i){
        if (v[i].idx == p){
            cout << v[i].sc << " " << i << '\n';
            break;
        }
    }
    return 0 ^ 0;
}

Compilation message (stderr)

poi.cpp:2: warning: ignoring '#pragma GCC opitmize' [-Wunknown-pragmas]
    2 | #pragma GCC opitmize ("O4")
      |

• Subtask 1: 100 / 100