| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 12689 |
2014-12-30T07:33:46 Z |
gs14004 |
Min-cost GCD (GA9_mcg) |
C++ |
|
528 ms |
1084 KB |
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long lint;
lint dp[100], dp2[100];
lint pow[19] = {1,0};
lint a,b,p,q;
inline bool calc_valid(lint x, lint y){
int t = lower_bound(pow,pow+19,x) - pow + lower_bound(pow,pow+19,y) - pow;
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,-1,sizeof(dp));
memset(dp2,-1,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(){
for(int i=1; i<=18; i++) pow[i] = pow[i-1] * 10;
int t;
scanf("%d",&t);
while (t--) {
solve();
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
131 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
139 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
140 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
138 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
132 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
127 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
126 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
129 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
140 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
139 ms |
1084 KB |
Output is correct |
| 11 |
Correct |
136 ms |
1084 KB |
Output is correct |
| 12 |
Correct |
125 ms |
1084 KB |
Output is correct |
| 13 |
Correct |
137 ms |
1084 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 16 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 17 |
Correct |
1 ms |
1084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 14 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 16 |
Correct |
1 ms |
1084 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 18 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 19 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 21 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 22 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 25 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 26 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 27 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 30 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
483 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
475 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
486 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
485 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
489 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
488 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
506 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
463 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
495 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
466 ms |
1084 KB |
Output is correct |
| 11 |
Correct |
473 ms |
1084 KB |
Output is correct |
| 12 |
Correct |
483 ms |
1084 KB |
Output is correct |
| 13 |
Correct |
479 ms |
1084 KB |
Output is correct |
| 14 |
Correct |
492 ms |
1084 KB |
Output is correct |
| 15 |
Correct |
505 ms |
1084 KB |
Output is correct |
| 16 |
Correct |
505 ms |
1084 KB |
Output is correct |
| 17 |
Correct |
506 ms |
1084 KB |
Output is correct |
| 18 |
Correct |
494 ms |
1084 KB |
Output is correct |
| 19 |
Correct |
186 ms |
1084 KB |
Output is correct |
| 20 |
Correct |
185 ms |
1084 KB |
Output is correct |
| 21 |
Correct |
172 ms |
1084 KB |
Output is correct |
| 22 |
Correct |
174 ms |
1084 KB |
Output is correct |
| 23 |
Correct |
222 ms |
1084 KB |
Output is correct |
| 24 |
Correct |
213 ms |
1084 KB |
Output is correct |
| 25 |
Correct |
219 ms |
1084 KB |
Output is correct |
| 26 |
Correct |
214 ms |
1084 KB |
Output is correct |
| 27 |
Correct |
215 ms |
1084 KB |
Output is correct |
| 28 |
Correct |
502 ms |
1084 KB |
Output is correct |
| 29 |
Correct |
487 ms |
1084 KB |
Output is correct |
| 30 |
Correct |
528 ms |
1084 KB |
Output is correct |
| 31 |
Correct |
487 ms |
1084 KB |
Output is correct |
| 32 |
Correct |
499 ms |
1084 KB |
Output is correct |
| 33 |
Correct |
488 ms |
1084 KB |
Output is correct |
| 34 |
Correct |
506 ms |
1084 KB |
Output is correct |
| 35 |
Correct |
513 ms |
1084 KB |
Output is correct |
