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Submission #12223

# Submission time Handle Problem Language Result Execution time Memory
12223 2014-12-25T07:32:22 Z paulsohn Min-cost GCD (GA9_mcg) C++
30 / 100
 127 ms 1108 KB 
#include<stdio.h>
#define min(a,b) (a<b?a:b)

long long a, b, p, q, Q[1000], DP[1000][2];
int T, cost;

int main(){
    int x, y, r;
    int i, s;
    scanf("%d", &T);
    while(T--){
        scanf("%lld %lld %lld %lld", &a, &b, &p, &q);

        x=(a>b?a:b);
        y=(a>b?b:a);
        i=0;
        do{
            r=x%y;
            Q[i]=x/y;
            x=y;
            y=r;
            i++;
        }while(r);
        s=i;

        if(a>=b){
            DP[0][0]=0;
            DP[0][1]=1000000000000000000;
        }
        else{
            DP[0][0]=p;
            DP[0][1]=0;
        }
        for(i=0; i<s; i++){
            DP[i+1][0]=min(DP[i][0]+p, DP[i][1]+Q[i]*q);
            DP[i+1][1]=DP[i][0]+Q[i]*q;
        }
        printf("%lld\n", min(DP[s][0], DP[s][1]));
    }
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1108 KB Output is correct
2 Correct 0 ms 1108 KB Output is correct
3 Correct 0 ms 1108 KB Output is correct
4 Correct 0 ms 1108 KB Output is correct
5 Correct 0 ms 1108 KB Output is correct
6 Correct 0 ms 1108 KB Output is correct
7 Correct 0 ms 1108 KB Output is correct
8 Correct 0 ms 1108 KB Output is correct
9 Correct 0 ms 1108 KB Output is correct
10 Correct 0 ms 1108 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 1108 KB Output is correct
2 Correct 61 ms 1108 KB Output is correct
3 Correct 70 ms 1108 KB Output is correct
4 Correct 63 ms 1108 KB Output is correct
5 Correct 63 ms 1108 KB Output is correct
6 Correct 65 ms 1108 KB Output is correct
7 Correct 67 ms 1108 KB Output is correct
8 Correct 65 ms 1108 KB Output is correct
9 Correct 65 ms 1108 KB Output is correct
10 Correct 59 ms 1108 KB Output is correct
11 Correct 68 ms 1108 KB Output is correct
12 Correct 60 ms 1108 KB Output is correct
13 Correct 58 ms 1108 KB Output is correct
14 Correct 0 ms 1108 KB Output is correct
15 Correct 0 ms 1108 KB Output is correct
16 Correct 0 ms 1108 KB Output is correct
17 Correct 0 ms 1108 KB Output is correct

Subtask #3
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1108 KB Output is correct
2 Incorrect 0 ms 1108 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 43.0

# Verdict Execution time Memory Grader output
1 Incorrect 127 ms 1108 KB Output isn't correct
2 Halted 0 ms 0 KB -