Submission #844079

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
844079	2023-09-05 07:04:58	GrandTiger1729	Chessboard (IZhO18_chessboard)	C++17	47 / 100	169 ms	2136 KiB

chessboard

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#include <bits/stdc++.h>
using namespace std;
struct Data
{
    int x1, y1, x2, y2;
    Data() = default;
    Data(int _x1, int _y1, int _x2, int _y2) : x1(_x1), y1(_y1), x2(_x2), y2(_y2) {}
};
const long long INF = 1e18;
int main()
{
    cin.tie(0)->sync_with_stdio(0);
    // freopen("in.in", "r", stdin);
    // freopen("out.out", "w", stdout);
    int M, n; cin >> M >> n;
    vector<Data> a(n);
    for (int i = 0; i < n; i++)
    {
        int x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        x1--, y1--;
        a[i] = Data(x1, y1, x2, y2);
    }
    auto color = [&](int t, int K, int x, int y) -> int // 1 for black -1 for white
    {
        return (t + x / K + y / K) % 2 == 1 ? 1 : -1;
    };
    auto solve = [&](int K) -> long long
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30