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답안 #12105

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12105 2014-12-21T06:58:21 Z kriii Min-cost GCD (GA9_mcg) C++14
30 / 100
 967 ms 1212 KB 
#include <stdio.h>
#include <algorithm>
#include <map>
using namespace std;

long long a,b,p,q;

std::map<pair<long long, long long>, 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;
	if (chk.count(make_pair(a,b))) return chk[make_pair(a,b)];
	long long &r = chk[make_pair(a,b)];
	r = p + go(b,a%b);
	if (a > b){
		long long d = a / b;
		r = min(r, q * d + go(a-b*d,b));
	}
	else{
		long long d = b / a;
		r = min(r, q * d + 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();
		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 201 ms 1212 KB Output is correct
2 Correct 210 ms 1212 KB Output is correct
3 Correct 212 ms 1212 KB Output is correct
4 Correct 208 ms 1212 KB Output is correct
5 Correct 196 ms 1212 KB Output is correct
6 Correct 215 ms 1212 KB Output is correct
7 Correct 214 ms 1212 KB Output is correct
8 Correct 202 ms 1212 KB Output is correct
9 Correct 204 ms 1212 KB Output is correct
10 Correct 201 ms 1212 KB Output is correct
11 Correct 203 ms 1212 KB Output is correct
12 Correct 200 ms 1212 KB Output is correct
13 Correct 208 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 2 ms 1212 KB Output is correct

Subtask #3
0.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 1212 KB Output is correct
2 Incorrect 5 ms 1212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 967 ms 1212 KB Output isn't correct
2 Halted 0 ms 0 KB -