189472025-11-12 20:48:01lalalaCsapatás a lócsapattalcpp17Accepted 100/1006ms512 KiB
/*
@check-accepted: examples small-board medium-board no-limits
*/


// H and W must be coprime and of opposite parity
// The larger side of the board must be at least twice the long movement
// The shorter side of the board must be at least the sum of the short and long movement
// Otherwise the board is too small
// !! It's always possible to complete a 1x1 board

#include <iostream>
#include <numeric>

using namespace std;

long long gcd(long long x, long long y) {
    if (y == 0) return x;

    long long r = x % y;
    while (r) {
        x = y;
        y = r;
        r = x % y;
    }
    return y;
}

int main() {
    int t;
    cin >> t;
    for (; t > 0; t--) {
        long long n, m, h, w;
        bool possible = true;
        cin >> n >> m >> h >> w;
        if (h % 2 == w % 2) {
            possible = false;
        }
        if (gcd(h, w) != 1) {
            possible = false;
        }
        if (max(n, m) < 2 * max(h, w)) {
            possible = false;
        }
        if (min(n, m) < h + w) {
            possible = false;
        }
        if (m == 1 && n == 1) {
            possible = true;
        }

        if (possible) {
            cout << "YES\n";
        }
        else {
            cout << "NO\n";
        }
        
    }

    return 0;
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Accepted1ms316 KiB
subtask222/22
3Accepted3ms316 KiB
4Accepted3ms508 KiB
5Accepted3ms508 KiB
6Accepted3ms316 KiB
7Accepted3ms316 KiB
8Accepted3ms316 KiB
9Accepted3ms316 KiB
10Accepted3ms316 KiB
11Accepted3ms316 KiB
12Accepted3ms316 KiB
13Accepted3ms316 KiB
14Accepted3ms316 KiB
subtask317/17
15Accepted3ms316 KiB
16Accepted3ms508 KiB
17Accepted3ms508 KiB
18Accepted3ms316 KiB
19Accepted3ms316 KiB
20Accepted3ms316 KiB
21Accepted3ms316 KiB
22Accepted3ms316 KiB
23Accepted3ms316 KiB
24Accepted3ms316 KiB
25Accepted3ms316 KiB
26Accepted3ms316 KiB
27Accepted2ms316 KiB
28Accepted1ms508 KiB
29Accepted1ms316 KiB
30Accepted1ms348 KiB
31Accepted1ms316 KiB
32Accepted1ms508 KiB
33Accepted1ms508 KiB
34Accepted1ms316 KiB
35Accepted2ms316 KiB
36Accepted1ms316 KiB
37Accepted1ms316 KiB
38Accepted1ms328 KiB
39Accepted2ms320 KiB
40Accepted1ms512 KiB
41Accepted1ms316 KiB
42Accepted1ms316 KiB
43Accepted1ms316 KiB
44Accepted1ms316 KiB
45Accepted1ms316 KiB
46Accepted2ms316 KiB
47Accepted1ms316 KiB
48Accepted1ms328 KiB
49Accepted1ms316 KiB
50Accepted1ms316 KiB
subtask461/61
51Accepted1ms316 KiB
52Accepted1ms316 KiB
53Accepted3ms316 KiB
54Accepted3ms508 KiB
55Accepted3ms508 KiB
56Accepted3ms316 KiB
57Accepted3ms316 KiB
58Accepted3ms316 KiB
59Accepted3ms316 KiB
60Accepted3ms316 KiB
61Accepted3ms316 KiB
62Accepted3ms316 KiB
63Accepted3ms316 KiB
64Accepted3ms316 KiB
65Accepted2ms316 KiB
66Accepted1ms508 KiB
67Accepted1ms316 KiB
68Accepted1ms348 KiB
69Accepted1ms316 KiB
70Accepted1ms508 KiB
71Accepted1ms508 KiB
72Accepted1ms316 KiB
73Accepted2ms316 KiB
74Accepted1ms316 KiB
75Accepted1ms316 KiB
76Accepted1ms328 KiB
77Accepted2ms320 KiB
78Accepted1ms512 KiB
79Accepted1ms316 KiB
80Accepted1ms316 KiB
81Accepted1ms316 KiB
82Accepted1ms316 KiB
83Accepted1ms316 KiB
84Accepted2ms316 KiB
85Accepted1ms316 KiB
86Accepted1ms328 KiB
87Accepted1ms316 KiB
88Accepted1ms316 KiB
89Accepted6ms316 KiB
90Accepted6ms508 KiB
91Accepted6ms316 KiB
92Accepted6ms316 KiB
93Accepted6ms316 KiB
94Accepted6ms316 KiB
95Accepted6ms316 KiB
96Accepted6ms316 KiB
97Accepted6ms316 KiB
98Accepted6ms316 KiB
99Accepted6ms316 KiB
100Accepted6ms316 KiB
101Accepted6ms316 KiB
102Accepted6ms316 KiB
103Accepted6ms316 KiB
104Accepted6ms316 KiB
105Accepted6ms316 KiB
106Accepted6ms316 KiB
107Accepted6ms316 KiB
108Accepted6ms316 KiB
109Accepted6ms384 KiB
110Accepted6ms316 KiB
111Accepted6ms316 KiB
112Accepted6ms328 KiB
113Accepted6ms328 KiB
114Accepted6ms316 KiB
115Accepted6ms316 KiB
116Accepted6ms508 KiB
117Accepted6ms316 KiB