| 23939 | 2026-02-01 15:55:00 | PKB | Járdakövezés | cpp17 | Accepted 75/75 | 2ms | 552 KiB |
#include <bits/stdc++.h>
using namespace std;
long long egcd(long long a, long long b, long long &x, long long &y) {
if (b == 0) {
x = 1;
y = 0;
return a;
}
long long x1, y1;
long long g = egcd(b, a % b, x1, y1);
x = y1;
y = x1 - y1 * (a / b);
return g;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
long long H, A, B;
cin >> H >> A >> B;
long long x, y;
long long g = egcd(A, B, x, y);
if (H % g != 0) {
cout << "0 0";
return 0;
}
x *= H / g;
y *= H / g;
// általános megoldás:
// x = x + k*(B/g)
// y = y - k*(A/g)
long long k1 = ceil(-1.0 * x * g / B);
long long k2 = floor(1.0 * y * g / A);
if (k1 > k2) {
cout << "0 0";
return 0;
}
long long k = k1;
x += k * (B / g);
y -= k * (A / g);
if (x < 0 || y < 0) {
cout << "0 0";
} else {
cout << x << " " << y;
}
}
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| subtask2 | 12/12 | ||||||
| 2 | Accepted | 1ms | 508 KiB | ||||
| 3 | Accepted | 1ms | 508 KiB | ||||
| 4 | Accepted | 1ms | 316 KiB | ||||
| 5 | Accepted | 1ms | 316 KiB | ||||
| 6 | Accepted | 1ms | 316 KiB | ||||
| 7 | Accepted | 1ms | 316 KiB | ||||
| 8 | Accepted | 1ms | 316 KiB | ||||
| 9 | Accepted | 1ms | 508 KiB | ||||
| 10 | Accepted | 1ms | 316 KiB | ||||
| 11 | Accepted | 1ms | 316 KiB | ||||
| 12 | Accepted | 1ms | 316 KiB | ||||
| 13 | Accepted | 1ms | 316 KiB | ||||
| subtask3 | 12/12 | ||||||
| 14 | Accepted | 1ms | 420 KiB | ||||
| 15 | Accepted | 1ms | 316 KiB | ||||
| 16 | Accepted | 1ms | 316 KiB | ||||
| 17 | Accepted | 1ms | 316 KiB | ||||
| 18 | Accepted | 1ms | 316 KiB | ||||
| 19 | Accepted | 1ms | 508 KiB | ||||
| 20 | Accepted | 1ms | 316 KiB | ||||
| 21 | Accepted | 1ms | 316 KiB | ||||
| 22 | Accepted | 1ms | 528 KiB | ||||
| 23 | Accepted | 1ms | 316 KiB | ||||
| 24 | Accepted | 1ms | 508 KiB | ||||
| 25 | Accepted | 1ms | 316 KiB | ||||
| subtask4 | 24/24 | ||||||
| 26 | Accepted | 1ms | 316 KiB | ||||
| 27 | Accepted | 1ms | 316 KiB | ||||
| 28 | Accepted | 1ms | 316 KiB | ||||
| 29 | Accepted | 1ms | 320 KiB | ||||
| 30 | Accepted | 1ms | 316 KiB | ||||
| 31 | Accepted | 1ms | 316 KiB | ||||
| 32 | Accepted | 1ms | 316 KiB | ||||
| 33 | Accepted | 1ms | 316 KiB | ||||
| 34 | Accepted | 1ms | 316 KiB | ||||
| 35 | Accepted | 1ms | 316 KiB | ||||
| 36 | Accepted | 1ms | 316 KiB | ||||
| 37 | Accepted | 1ms | 508 KiB | ||||
| 38 | Accepted | 1ms | 316 KiB | ||||
| 39 | Accepted | 1ms | 316 KiB | ||||
| 40 | Accepted | 1ms | 316 KiB | ||||
| 41 | Accepted | 1ms | 316 KiB | ||||
| 42 | Accepted | 2ms | 316 KiB | ||||
| 43 | Accepted | 1ms | 552 KiB | ||||
| 44 | Accepted | 2ms | 316 KiB | ||||
| 45 | Accepted | 2ms | 500 KiB | ||||
| 46 | Accepted | 1ms | 340 KiB | ||||
| 47 | Accepted | 1ms | 316 KiB | ||||
| 48 | Accepted | 1ms | 324 KiB | ||||
| 49 | Accepted | 1ms | 380 KiB | ||||
| subtask5 | 27/27 | ||||||
| 50 | Accepted | 1ms | 324 KiB | ||||
| 51 | Accepted | 1ms | 316 KiB | ||||
| 52 | Accepted | 1ms | 500 KiB | ||||
| 53 | Accepted | 1ms | 316 KiB | ||||
| 54 | Accepted | 1ms | 316 KiB | ||||
| 55 | Accepted | 1ms | 508 KiB | ||||
| 56 | Accepted | 1ms | 316 KiB | ||||
| 57 | Accepted | 1ms | 324 KiB | ||||
| 58 | Accepted | 1ms | 316 KiB | ||||
| 59 | Accepted | 1ms | 420 KiB | ||||
| 60 | Accepted | 1ms | 508 KiB | ||||
| 61 | Accepted | 1ms | 316 KiB | ||||
| 62 | Accepted | 1ms | 316 KiB | ||||
| 63 | Accepted | 1ms | 316 KiB | ||||
| 64 | Accepted | 1ms | 316 KiB | ||||
| 65 | Accepted | 1ms | 316 KiB | ||||
| 66 | Accepted | 1ms | 316 KiB | ||||
| 67 | Accepted | 1ms | 328 KiB | ||||
| 68 | Accepted | 1ms | 316 KiB | ||||
| 69 | Accepted | 1ms | 316 KiB | ||||
| 70 | Accepted | 1ms | 508 KiB | ||||
| 71 | Accepted | 1ms | 316 KiB | ||||
| 72 | Accepted | 1ms | 508 KiB | ||||
| 73 | Accepted | 1ms | 316 KiB | ||||
| 74 | Accepted | 1ms | 316 KiB | ||||
| 75 | Accepted | 1ms | 316 KiB | ||||
| 76 | Accepted | 1ms | 500 KiB | ||||