답안 #12120

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
12120	2014-12-21T07:25:40 Z	kriii	Min-cost GCD (GA9_mcg)	C++14	57 / 100	1000 ms	1212 KB

mcg

#include <stdio.h>
#include <algorithm>
#include <map>
using namespace std;

long long a,b,p,q,l;

std::map<int, long long> chk;

long long go(long long a, long long b)
{
	if (a == 0 || b == 0) return 0;
	if (a == b) return p < q ? p : q;
	int h = a*b+a*3+b;
	long long &r = chk[h];
	if (r) return r;
	r = p + go(b,a%b);
	if (a > b){
		long long d = a / b, e = q * d;
		if (d <= l) r = min(r, e+go(a-b*d,b));
	}
	else{
		long long d = b / a, e = q * d;
		if (d <= l) r = min(r, e+go(a,b-a*d));
	}
	return r;
}

int main()
{
	int T; scanf ("%d",&T); while (T--){
		scanf ("%lld %lld %lld %lld",&a,&b,&p,&q);
		chk.clear(); l = 1e18 / q;
		printf ("%lld\n",go(a,b));
	}

	return 0;
}

Subtask #1

14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1212 KB	Output is correct
2	Correct	0 ms	1212 KB	Output is correct
3	Correct	0 ms	1212 KB	Output is correct
4	Correct	0 ms	1212 KB	Output is correct
5	Correct	0 ms	1212 KB	Output is correct
6	Correct	0 ms	1212 KB	Output is correct
7	Correct	0 ms	1212 KB	Output is correct
8	Correct	0 ms	1212 KB	Output is correct
9	Correct	0 ms	1212 KB	Output is correct
10	Correct	0 ms	1212 KB	Output is correct

Subtask #2

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	192 ms	1212 KB	Output is correct
2	Correct	185 ms	1212 KB	Output is correct
3	Correct	192 ms	1212 KB	Output is correct
4	Correct	176 ms	1212 KB	Output is correct
5	Correct	185 ms	1212 KB	Output is correct
6	Correct	184 ms	1212 KB	Output is correct
7	Correct	188 ms	1212 KB	Output is correct
8	Correct	185 ms	1212 KB	Output is correct
9	Correct	188 ms	1212 KB	Output is correct
10	Correct	189 ms	1212 KB	Output is correct
11	Correct	193 ms	1212 KB	Output is correct
12	Correct	185 ms	1212 KB	Output is correct
13	Correct	195 ms	1212 KB	Output is correct
14	Correct	0 ms	1212 KB	Output is correct
15	Correct	0 ms	1212 KB	Output is correct
16	Correct	0 ms	1212 KB	Output is correct
17	Correct	0 ms	1212 KB	Output is correct

Subtask #3

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1212 KB	Output is correct
2	Correct	4 ms	1212 KB	Output is correct
3	Correct	7 ms	1212 KB	Output is correct
4	Correct	6 ms	1212 KB	Output is correct
5	Correct	5 ms	1212 KB	Output is correct
6	Correct	6 ms	1212 KB	Output is correct
7	Correct	6 ms	1212 KB	Output is correct
8	Correct	6 ms	1212 KB	Output is correct
9	Correct	7 ms	1212 KB	Output is correct
10	Correct	6 ms	1212 KB	Output is correct
11	Correct	6 ms	1212 KB	Output is correct
12	Correct	6 ms	1212 KB	Output is correct
13	Correct	8 ms	1212 KB	Output is correct
14	Correct	0 ms	1212 KB	Output is correct
15	Correct	0 ms	1212 KB	Output is correct
16	Correct	1 ms	1212 KB	Output is correct
17	Correct	1 ms	1212 KB	Output is correct
18	Correct	0 ms	1212 KB	Output is correct
19	Correct	9 ms	1212 KB	Output is correct
20	Correct	8 ms	1212 KB	Output is correct
21	Correct	4 ms	1212 KB	Output is correct
22	Correct	9 ms	1212 KB	Output is correct
23	Correct	8 ms	1212 KB	Output is correct
24	Correct	8 ms	1212 KB	Output is correct
25	Correct	4 ms	1212 KB	Output is correct
26	Correct	6 ms	1212 KB	Output is correct
27	Correct	4 ms	1212 KB	Output is correct
28	Correct	8 ms	1212 KB	Output is correct
29	Correct	6 ms	1212 KB	Output is correct
30	Correct	8 ms	1212 KB	Output is correct
31	Correct	7 ms	1212 KB	Output is correct

Subtask #4

0.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1000 ms	1212 KB	Program timed out
2	Halted	0 ms	0 KB	-