제출 #840651

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
840651	2023-08-31 14:57:58	arbuzick	축구 경기장 (IOI23_soccer)	C++17	1.50 / 100	300 ms	47496 KiB

soccer

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
int biggest_stadium(int n, vector<vector<int>> f) {
    vector<vector<int>> pr_sum(n + 1, vector<int>(n + 1));
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            f[i][j] ^= 1;
            pr_sum[i + 1][j + 1] = pr_sum[i + 1][j] + pr_sum[i][j + 1] - pr_sum[i][j] + f[i][j];
        }
    }
    if (pr_sum[n][n] == n * n - 1) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < n; ++j) {
                if (!f[i][j]) {
                    if (n * n - min(i + 1, n - i) * min(j + 1, n - j) == n * n - 1) {
                        return n * n - 1;
                    }
                    return n * n - 2;
                    return n * n - min(i + 1, n - i) * min(j + 1, n - j);
                }
            }
        }
    }
    vector<vector<int>> ll(n, vector<int>(n, -1)), rr(n, vector<int>(n, n)), dd(n, vector<int>(n, n));
    for (int i = n - 1; i >= 0; --i) {
        for (int j = 0; j < n; ++j) {
            if (!f[i][j]) {
                ll[i][j] = j;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 0: 0 / 0
• Subtask 1: 1.5 / 6
• Subtask 2: 0 / 8
• Subtask 3: 0 / 22
• Subtask 4: 0 / 18
• Subtask 5: 0 / 16
• Subtask 6: 0 / 30