#include <cstdio>
#include <cmath>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long lint;
lint dp[100], dp2[100];
lint a,b,p,q;
inline bool calc_valid(lint x, lint y){
double t = log10(x)+log10(y);
return t < 18;
}
lint f(lint x, lint y, int step){
if(x == 0 || y == 0) return 0;
if(x >= y){
if(dp[step]) return dp[step];
if(!calc_valid(q,x/y)) return dp[step] = f(y,x%y,step+1) + p;
else return dp[step] = min(f(y,x%y,step+1) + p,f(x%y,y,step+1) + q*(x/y));
}
else{
if(dp2[step]) return dp2[step];
if(!calc_valid(q,y/x)) return 5e18;
else return dp2[step] = f(x,y%x,step+1) + q * (y/x);
}
}
void solve(){
memset(dp,0,sizeof(dp));
memset(dp2,0,sizeof(dp2));
scanf("%lld %lld %lld %lld",&a,&b,&p,&q);
if(a < b) printf("%lld\n",min(p + f(b,a,0),f(a,b,0)));
else printf("%lld\n",f(a,b,0));
}
int main(){
int t;
scanf("%d",&t);
while (t--) {
solve();
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1196 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
211 ms |
1196 KB |
Output is correct |
| 2 |
Correct |
197 ms |
1196 KB |
Output is correct |
| 3 |
Correct |
210 ms |
1196 KB |
Output is correct |
| 4 |
Correct |
202 ms |
1196 KB |
Output is correct |
| 5 |
Correct |
204 ms |
1196 KB |
Output is correct |
| 6 |
Correct |
208 ms |
1196 KB |
Output is correct |
| 7 |
Correct |
217 ms |
1196 KB |
Output is correct |
| 8 |
Correct |
210 ms |
1196 KB |
Output is correct |
| 9 |
Correct |
202 ms |
1196 KB |
Output is correct |
| 10 |
Correct |
218 ms |
1196 KB |
Output is correct |
| 11 |
Correct |
211 ms |
1196 KB |
Output is correct |
| 12 |
Correct |
204 ms |
1196 KB |
Output is correct |
| 13 |
Correct |
210 ms |
1196 KB |
Output is correct |
| 14 |
Correct |
2 ms |
1196 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 16 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1196 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
1196 KB |
Output is correct |
| 2 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 6 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 9 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 10 |
Correct |
6 ms |
1196 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 13 |
Correct |
4 ms |
1196 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1196 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1196 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1196 KB |
Output is correct |
| 18 |
Correct |
1 ms |
1196 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1196 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 21 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 22 |
Correct |
6 ms |
1196 KB |
Output is correct |
| 23 |
Correct |
6 ms |
1196 KB |
Output is correct |
| 24 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 25 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 26 |
Correct |
6 ms |
1196 KB |
Output is correct |
| 27 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 28 |
Correct |
5 ms |
1196 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1196 KB |
Output is correct |
| 30 |
Correct |
2 ms |
1196 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1196 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
841 ms |
1196 KB |
Output is correct |
| 2 |
Correct |
837 ms |
1196 KB |
Output is correct |
| 3 |
Correct |
856 ms |
1196 KB |
Output is correct |
| 4 |
Correct |
845 ms |
1196 KB |
Output is correct |
| 5 |
Correct |
837 ms |
1196 KB |
Output is correct |
| 6 |
Correct |
837 ms |
1196 KB |
Output is correct |
| 7 |
Correct |
849 ms |
1196 KB |
Output is correct |
| 8 |
Correct |
821 ms |
1196 KB |
Output is correct |
| 9 |
Correct |
857 ms |
1196 KB |
Output is correct |
| 10 |
Correct |
825 ms |
1196 KB |
Output is correct |
| 11 |
Correct |
811 ms |
1196 KB |
Output is correct |
| 12 |
Correct |
828 ms |
1196 KB |
Output is correct |
| 13 |
Correct |
829 ms |
1196 KB |
Output is correct |
| 14 |
Correct |
936 ms |
1196 KB |
Output is correct |
| 15 |
Correct |
911 ms |
1196 KB |
Output is correct |
| 16 |
Correct |
935 ms |
1196 KB |
Output is correct |
| 17 |
Correct |
937 ms |
1196 KB |
Output is correct |
| 18 |
Correct |
936 ms |
1196 KB |
Output is correct |
| 19 |
Correct |
270 ms |
1196 KB |
Output is correct |
| 20 |
Correct |
281 ms |
1196 KB |
Output is correct |
| 21 |
Correct |
273 ms |
1196 KB |
Output is correct |
| 22 |
Correct |
269 ms |
1196 KB |
Output is correct |
| 23 |
Correct |
354 ms |
1196 KB |
Output is correct |
| 24 |
Correct |
371 ms |
1196 KB |
Output is correct |
| 25 |
Correct |
350 ms |
1196 KB |
Output is correct |
| 26 |
Correct |
349 ms |
1196 KB |
Output is correct |
| 27 |
Correct |
370 ms |
1196 KB |
Output is correct |
| 28 |
Correct |
962 ms |
1196 KB |
Output is correct |
| 29 |
Correct |
907 ms |
1196 KB |
Output is correct |
| 30 |
Correct |
952 ms |
1196 KB |
Output is correct |
| 31 |
Correct |
868 ms |
1196 KB |
Output is correct |
| 32 |
Correct |
905 ms |
1196 KB |
Output is correct |
| 33 |
Correct |
936 ms |
1196 KB |
Output is correct |
| 34 |
Correct |
918 ms |
1196 KB |
Output is correct |
| 35 |
Correct |
965 ms |
1196 KB |
Output is correct |
