oj.uz

답안 #12103

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12103 2014-12-21T06:57:04 Z kriii Min-cost GCD (GA9_mcg) C++14
30 / 100
 1000 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, p * 2 + go(a%b,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 197 ms 1212 KB Output is correct
2 Correct 198 ms 1212 KB Output is correct
3 Correct 205 ms 1212 KB Output is correct
4 Correct 196 ms 1212 KB Output is correct
5 Correct 191 ms 1212 KB Output is correct
6 Correct 195 ms 1212 KB Output is correct
7 Correct 194 ms 1212 KB Output is correct
8 Correct 198 ms 1212 KB Output is correct
9 Correct 197 ms 1212 KB Output is correct
10 Correct 183 ms 1212 KB Output is correct
11 Correct 199 ms 1212 KB Output is correct
12 Correct 197 ms 1212 KB Output is correct
13 Correct 198 ms 1212 KB Output is correct
14 Correct 1 ms 1212 KB Output is correct
15 Correct 2 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 4 ms 1212 KB Output is correct
2 Incorrect 4 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 Execution timed out 1000 ms 1212 KB Program timed out
2 Halted 0 ms 0 KB -