#include <set>
#include <map>
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
long long dp[200][200];
long long a, b, p, q;
const long long INF = 1000000ll * 1000000ll * 500000ll;
set<long long> nodes;
map<long long, int> hash_;
void preproc(long long a, long long b)
{
nodes.insert(a);
nodes.insert(b);
if(a == 0 || b == 0) return;
preproc(b, a % b);
}
long long getAns(long long a, long long b)
{
if(a == 0 || b == 0) return 0;
int i1 = hash_[a], i2 = hash_[b];
long long &ret = dp[i1][i2];
if(ret != -1) return ret;
ret = p + getAns(b, a % b);
if(a >= b)
{
long long howMany = a / b;
if(howMany <= ret / (double)q)
{
long long cand = howMany * q + getAns(a % b, b);
ret = min(cand, ret);
}
}
else
{
long long howMany = b / a;
if(howMany <= ret / (double)q)
{
long long cand = howMany * q + getAns(a, b % a);
ret = min(cand, ret);
}
}
return ret;
}
int main(void)
{
int T;
scanf("%d", &T);
while(T--)
{
scanf("%lld %lld %lld %lld", &a, &b, &p, &q);
nodes.clear();
preproc(a, b);
int ind = 0;
hash_.clear();
for(auto v: nodes) hash_[v] = ind++;
memset(dp, -1, sizeof(dp));
printf("%lld\n", getAns(a, b));
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1528 KB |
Output is correct |
| 3 |
Correct |
2 ms |
1528 KB |
Output is correct |
| 4 |
Correct |
2 ms |
1528 KB |
Output is correct |
| 5 |
Correct |
2 ms |
1528 KB |
Output is correct |
| 6 |
Correct |
2 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1528 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1528 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1528 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1000 ms |
1528 KB |
Program timed out |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 3 |
Correct |
26 ms |
1528 KB |
Output is correct |
| 4 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 5 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 6 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 9 |
Correct |
17 ms |
1528 KB |
Output is correct |
| 10 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
22 ms |
1528 KB |
Output is correct |
| 12 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 13 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 14 |
Correct |
21 ms |
1528 KB |
Output is correct |
| 15 |
Correct |
20 ms |
1528 KB |
Output is correct |
| 16 |
Correct |
18 ms |
1528 KB |
Output is correct |
| 17 |
Correct |
16 ms |
1528 KB |
Output is correct |
| 18 |
Correct |
17 ms |
1528 KB |
Output is correct |
| 19 |
Correct |
29 ms |
1528 KB |
Output is correct |
| 20 |
Correct |
29 ms |
1528 KB |
Output is correct |
| 21 |
Correct |
28 ms |
1528 KB |
Output is correct |
| 22 |
Correct |
27 ms |
1528 KB |
Output is correct |
| 23 |
Correct |
27 ms |
1528 KB |
Output is correct |
| 24 |
Correct |
27 ms |
1528 KB |
Output is correct |
| 25 |
Correct |
27 ms |
1528 KB |
Output is correct |
| 26 |
Correct |
24 ms |
1528 KB |
Output is correct |
| 27 |
Correct |
29 ms |
1528 KB |
Output is correct |
| 28 |
Correct |
29 ms |
1528 KB |
Output is correct |
| 29 |
Correct |
27 ms |
1528 KB |
Output is correct |
| 30 |
Correct |
28 ms |
1528 KB |
Output is correct |
| 31 |
Correct |
28 ms |
1528 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1000 ms |
1528 KB |
Program timed out |
| 2 |
Halted |
0 ms |
0 KB |
- |
