#include <bits/stdc++.h>
using namespace std;
map<pair<int, int>, bool> vis;
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int X, Y, A, B; cin >> X >> Y >> A >> B;
queue<pair<int, pair<int, int>>> q;
q.push(make_pair(0, make_pair(0, 0)));
vis[make_pair(0, 0)] = true;
while (!q.empty()) {
int dist = q.front().first;
int a = q.front().second.first, b = q.front().second.second;
// cout << dist << ' ' << a << ' ' << b << '\n';
q.pop();
if (a == A && b == B) {
cout << dist << '\n';
return 0;
}
pair<int, int> next[6] = {{a, Y}, {X, b}, {a - min(a, Y - b), b + min(a, Y - b)}, {a + min(b, X - a), b - min(b, X - a)}, {a, 0}, {0, b}};
for (int i = 0; i < 6; i++) {
if (vis[next[i]]) continue;
q.push(make_pair(dist + 1, next[i]));
vis[next[i]] = true;
}
}
cout << "-1\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
3 ms |
504 KB |
Output is correct |
| 7 |
Correct |
43 ms |
2808 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
3 ms |
504 KB |
Output is correct |
| 7 |
Correct |
43 ms |
2808 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
380 KB |
Output is correct |
| 4 |
Correct |
3 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
3 ms |
380 KB |
Output is correct |
| 7 |
Correct |
3 ms |
380 KB |
Output is correct |
| 8 |
Correct |
5 ms |
632 KB |
Output is correct |
| 9 |
Correct |
3 ms |
376 KB |
Output is correct |
| 10 |
Correct |
3 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
3 ms |
504 KB |
Output is correct |
| 7 |
Correct |
43 ms |
2808 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
3 ms |
380 KB |
Output is correct |
| 24 |
Correct |
3 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
3 ms |
380 KB |
Output is correct |
| 27 |
Correct |
3 ms |
380 KB |
Output is correct |
| 28 |
Correct |
5 ms |
632 KB |
Output is correct |
| 29 |
Correct |
3 ms |
376 KB |
Output is correct |
| 30 |
Correct |
3 ms |
376 KB |
Output is correct |
| 31 |
Correct |
4 ms |
568 KB |
Output is correct |
| 32 |
Correct |
6 ms |
760 KB |
Output is correct |
| 33 |
Correct |
195 ms |
12792 KB |
Output is correct |
| 34 |
Correct |
4 ms |
504 KB |
Output is correct |
| 35 |
Correct |
6 ms |
632 KB |
Output is correct |
| 36 |
Correct |
4 ms |
632 KB |
Output is correct |
| 37 |
Correct |
8 ms |
888 KB |
Output is correct |
| 38 |
Correct |
22 ms |
1656 KB |
Output is correct |
| 39 |
Correct |
8 ms |
888 KB |
Output is correct |
| 40 |
Correct |
8 ms |
1016 KB |
Output is correct |
| 41 |
Correct |
23 ms |
2168 KB |
Output is correct |
| 42 |
Correct |
50 ms |
4472 KB |
Output is correct |
| 43 |
Correct |
31 ms |
2652 KB |
Output is correct |
| 44 |
Correct |
18 ms |
1784 KB |
Output is correct |
| 45 |
Correct |
651 ms |
24396 KB |
Output is correct |
| 46 |
Correct |
2 ms |
376 KB |
Output is correct |
