Submission #12100

# Submission time Handle Problem Language Result Execution time Memory
12100 2014-12-21T06:51:47 Z kriii Min-cost GCD (GA9_mcg) C++14
30 / 100
983 ms 1212 KB
#include <stdio.h>
#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)];
	long long u = p + go(b,a%b), v;
	if (a > b){
		long long d = a / b;
		v = q * d + go(a-b*d,b);
	}
	else{
		long long d = b / a;
		v = q * d + go(a,b-a*d);
	}
	return r = u < v ? u : v;
}

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;
}
# 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 196 ms 1212 KB Output is correct
2 Correct 203 ms 1212 KB Output is correct
3 Correct 205 ms 1212 KB Output is correct
4 Correct 208 ms 1212 KB Output is correct
5 Correct 203 ms 1212 KB Output is correct
6 Correct 201 ms 1212 KB Output is correct
7 Correct 207 ms 1212 KB Output is correct
8 Correct 207 ms 1212 KB Output is correct
9 Correct 206 ms 1212 KB Output is correct
10 Correct 203 ms 1212 KB Output is correct
11 Correct 206 ms 1212 KB Output is correct
12 Correct 204 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 2 ms 1212 KB Output is correct
17 Correct 0 ms 1212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 1212 KB Output is correct
2 Incorrect 7 ms 1212 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 983 ms 1212 KB Output isn't correct
2 Halted 0 ms 0 KB -