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답안 #12157

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12157 2014-12-21T12:24:53 Z xhae Min-cost GCD (GA9_mcg) C++14
57 / 100
 1000 ms 1212 KB 
#include <map>
#include <cstdio>
#include <algorithm>

using namespace std;

map<pair<long long, long long>, long long> dp;

long long a, b, p, q;
const long long INF = 1000000ll * 1000000ll * 500000ll;

long long getAns(long long a, long long b)
{
	if(a == 0 || b == 0) return 0;

	pair<long long, long long> cur = make_pair(a, b);
	if(dp.count(cur)) return dp[cur];
	
	long long 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 dp[cur] = ret;
}

int main(void)
{
	int T;
	scanf("%d", &T);
	while(T--)
	{
		scanf("%lld %lld %lld %lld", &a, &b, &p, &q);
		dp.clear();
		printf("%lld\n", getAns(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 119 ms 1212 KB Output is correct
2 Correct 193 ms 1212 KB Output is correct
3 Correct 193 ms 1212 KB Output is correct
4 Correct 186 ms 1212 KB Output is correct
5 Correct 119 ms 1212 KB Output is correct
6 Correct 190 ms 1212 KB Output is correct
7 Correct 182 ms 1212 KB Output is correct
8 Correct 126 ms 1212 KB Output is correct
9 Correct 188 ms 1212 KB Output is correct
10 Correct 147 ms 1212 KB Output is correct
11 Correct 183 ms 1212 KB Output is correct
12 Correct 108 ms 1212 KB Output is correct
13 Correct 170 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 1 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 5 ms 1212 KB Output is correct
3 Correct 6 ms 1212 KB Output is correct
4 Correct 0 ms 1212 KB Output is correct
5 Correct 3 ms 1212 KB Output is correct
6 Correct 3 ms 1212 KB Output is correct
7 Correct 3 ms 1212 KB Output is correct
8 Correct 4 ms 1212 KB Output is correct
9 Correct 6 ms 1212 KB Output is correct
10 Correct 6 ms 1212 KB Output is correct
11 Correct 4 ms 1212 KB Output is correct
12 Correct 0 ms 1212 KB Output is correct
13 Correct 0 ms 1212 KB Output is correct
14 Correct 0 ms 1212 KB Output is correct
15 Correct 2 ms 1212 KB Output is correct
16 Correct 0 ms 1212 KB Output is correct
17 Correct 0 ms 1212 KB Output is correct
18 Correct 2 ms 1212 KB Output is correct
19 Correct 8 ms 1212 KB Output is correct
20 Correct 6 ms 1212 KB Output is correct
21 Correct 5 ms 1212 KB Output is correct
22 Correct 6 ms 1212 KB Output is correct
23 Correct 6 ms 1212 KB Output is correct
24 Correct 7 ms 1212 KB Output is correct
25 Correct 7 ms 1212 KB Output is correct
26 Correct 4 ms 1212 KB Output is correct
27 Correct 5 ms 1212 KB Output is correct
28 Correct 7 ms 1212 KB Output is correct
29 Correct 6 ms 1212 KB Output is correct
30 Correct 5 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 Correct 863 ms 1212 KB Output is correct
2 Correct 865 ms 1212 KB Output is correct
3 Correct 886 ms 1212 KB Output is correct
4 Correct 861 ms 1212 KB Output is correct
5 Correct 859 ms 1212 KB Output is correct
6 Correct 877 ms 1212 KB Output is correct
7 Correct 874 ms 1212 KB Output is correct
8 Correct 862 ms 1212 KB Output is correct
9 Correct 858 ms 1212 KB Output is correct
10 Correct 871 ms 1212 KB Output is correct
11 Correct 873 ms 1212 KB Output is correct
12 Correct 880 ms 1212 KB Output is correct
13 Correct 872 ms 1212 KB Output is correct
14 Execution timed out 1000 ms 1212 KB Program timed out
15 Halted 0 ms 0 KB -