Submission #18557

# Submission time Handle Problem Language Result Execution time Memory
18557 2016-02-08T20:18:02 Z imsifile Min-cost GCD (GA9_mcg) C++
57 / 100
428 ms 1084 KB
#include<stdio.h>
#include<memory.h>

typedef long long lld;

lld a, b, p, q, dy[70][2], chk[70][2];

lld gcd(int ix, lld a, lld b){
	if(!a || !b)return 0;
	if(a<b){
		if(chk[ix][0])return dy[ix][0];
		chk[ix][0]=1, dy[ix][0]=gcd(ix+1,a,b%a)+2*p;
		if(b/a <= (2*p)/q)dy[ix][0]=gcd(ix+1,a,b%a)+(b/a)*q;
		return dy[ix][0];
	}
	else{
		if(chk[ix][1])return dy[ix][1];
		chk[ix][1]=1, dy[ix][1]=gcd(ix+1,b,a%b)+p;
		lld tmp=dy[ix][1]-gcd(ix+1,a%b,b);
		if(a/b <= tmp/q)dy[ix][1]-=tmp-(a/b)*q;
		return dy[ix][1];
	}
	return 0;
}

int main(){
	int t;
	for(scanf("%d",&t);t--;){
		scanf("%lld%lld%lld%lld", &a, &b, &p, &q);
		memset(chk,0,sizeof(chk));
		printf("%lld\n", gcd(0,a,b));
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 1084 KB Output is correct
2 Correct 0 ms 1084 KB Output is correct
3 Correct 0 ms 1084 KB Output is correct
4 Correct 0 ms 1084 KB Output is correct
5 Correct 0 ms 1084 KB Output is correct
6 Correct 0 ms 1084 KB Output is correct
7 Correct 0 ms 1084 KB Output is correct
8 Correct 0 ms 1084 KB Output is correct
9 Correct 0 ms 1084 KB Output is correct
10 Correct 0 ms 1084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 99 ms 1084 KB Output is correct
2 Correct 81 ms 1084 KB Output is correct
3 Correct 116 ms 1084 KB Output is correct
4 Correct 104 ms 1084 KB Output is correct
5 Correct 91 ms 1084 KB Output is correct
6 Correct 109 ms 1084 KB Output is correct
7 Correct 89 ms 1084 KB Output is correct
8 Correct 107 ms 1084 KB Output is correct
9 Correct 111 ms 1084 KB Output is correct
10 Correct 103 ms 1084 KB Output is correct
11 Correct 92 ms 1084 KB Output is correct
12 Correct 99 ms 1084 KB Output is correct
13 Correct 111 ms 1084 KB Output is correct
14 Correct 0 ms 1084 KB Output is correct
15 Correct 0 ms 1084 KB Output is correct
16 Correct 0 ms 1084 KB Output is correct
17 Correct 0 ms 1084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 1084 KB Output is correct
2 Correct 3 ms 1084 KB Output is correct
3 Correct 3 ms 1084 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 0 ms 1084 KB Output is correct
6 Correct 0 ms 1084 KB Output is correct
7 Correct 0 ms 1084 KB Output is correct
8 Correct 0 ms 1084 KB Output is correct
9 Correct 0 ms 1084 KB Output is correct
10 Correct 0 ms 1084 KB Output is correct
11 Correct 3 ms 1084 KB Output is correct
12 Correct 2 ms 1084 KB Output is correct
13 Correct 0 ms 1084 KB Output is correct
14 Correct 0 ms 1084 KB Output is correct
15 Correct 0 ms 1084 KB Output is correct
16 Correct 0 ms 1084 KB Output is correct
17 Correct 0 ms 1084 KB Output is correct
18 Correct 0 ms 1084 KB Output is correct
19 Correct 2 ms 1084 KB Output is correct
20 Correct 0 ms 1084 KB Output is correct
21 Correct 0 ms 1084 KB Output is correct
22 Correct 3 ms 1084 KB Output is correct
23 Correct 0 ms 1084 KB Output is correct
24 Correct 3 ms 1084 KB Output is correct
25 Correct 0 ms 1084 KB Output is correct
26 Correct 0 ms 1084 KB Output is correct
27 Correct 0 ms 1084 KB Output is correct
28 Correct 0 ms 1084 KB Output is correct
29 Correct 2 ms 1084 KB Output is correct
30 Correct 0 ms 1084 KB Output is correct
31 Correct 0 ms 1084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 363 ms 1084 KB Output is correct
2 Correct 324 ms 1084 KB Output is correct
3 Correct 370 ms 1084 KB Output is correct
4 Correct 356 ms 1084 KB Output is correct
5 Correct 347 ms 1084 KB Output is correct
6 Correct 338 ms 1084 KB Output is correct
7 Correct 364 ms 1084 KB Output is correct
8 Correct 377 ms 1084 KB Output is correct
9 Correct 332 ms 1084 KB Output is correct
10 Correct 354 ms 1084 KB Output is correct
11 Correct 374 ms 1084 KB Output is correct
12 Correct 375 ms 1084 KB Output is correct
13 Correct 355 ms 1084 KB Output is correct
14 Incorrect 428 ms 1084 KB Output isn't correct
15 Halted 0 ms 0 KB -