Submission #12120

# Submission time Handle Problem Language Result Execution time Memory
12120 2014-12-21T07:25:40 Z kriii Min-cost GCD (GA9_mcg) C++14
57 / 100
1000 ms 1212 KB
#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;
}
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 1212 KB Program timed out
2 Halted 0 ms 0 KB -