Submission #839832

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
839832	2023-08-30 17:59:02	happypotato	Soccer Stadium (IOI23_soccer)	C++17	12 / 100	4529 ms	3476 KiB

soccer

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#include "soccer.h"
 
#include <bits/stdc++.h>
using namespace std;
// #define int long long // remove when necessary
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
#define ll long long
 
int brute(int n, vector<vector<int>> F) {
    int ans = 0;
  bool take[n][n];
    for (int conf = 0; conf < (1 << (n * n)); conf++) {
        bool valid = true;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                take[i][j] = bool(conf & (1 << (i * n + j)));
        if (take[i][j] && F[i][j]) {
          valid = false;
        }
            }
        }
    if (!valid) continue;
        for (int x = 0; x < n * n; x++) {
            for (int y = 0; y < n * n; y++) {
                int x1 = x / n, x2 = x % n;
                int y1 = y / n, y2 = y % n;
                if (!take[x1][x2] || !take[y1][y2]) continue;
 
 
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Compilation message (stderr)

soccer.cpp: In function 'bool check(int, std::vector<std::vector<int> >)':
soccer.cpp:64:7: warning: unused variable 'valid' [-Wunused-variable]
   64 |  bool valid = true;
      |       ^~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 6
• Subtask 2: 2 / 8
• Subtask 3: 5.5 / 22
• Subtask 4: 4.5 / 18
• Subtask 5: 0 / 16
• Subtask 6: 0 / 30