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답안 #12101

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12101 2014-12-21T06:55:04 Z kriii Min-cost GCD (GA9_mcg) C++14
30 / 100
 902 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)];
	if (a > b){
		long long d = a / b;
		r = p + go(b,a%b);
		r = min(r, q * d + go(a-b*d,b));
	}
	else{
		long long d = b / a;
		r = p * 2 + go(a,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 176 ms 1212 KB Output is correct
2 Correct 186 ms 1212 KB Output is correct
3 Correct 181 ms 1212 KB Output is correct
4 Correct 185 ms 1212 KB Output is correct
5 Correct 188 ms 1212 KB Output is correct
6 Correct 180 ms 1212 KB Output is correct
7 Correct 182 ms 1212 KB Output is correct
8 Correct 167 ms 1212 KB Output is correct
9 Correct 182 ms 1212 KB Output is correct
10 Correct 181 ms 1212 KB Output is correct
11 Correct 189 ms 1212 KB Output is correct
12 Correct 185 ms 1212 KB Output is correct
13 Correct 187 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 2 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 6 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 902 ms 1212 KB Output isn't correct
2 Halted 0 ms 0 KB -