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Submission #27209

# Submission time Handle Problem Language Result Execution time Memory
27209 2017-07-10T15:53:53 Z TAMREF Min-cost GCD (GA9_mcg) C++11
57 / 100
 356 ms 2024 KB 
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;
const int mx=300;
ll x,y,p,q;
ll eu[mx], dp[2*mx];
int E;
void workgcd(ll u, ll v){
    eu[E++]=v;
    if(!v) return;
    workgcd(v,u%v);
}
int main(){
    int T;
    for(scanf("%d",&T);T--;){
        scanf("%lld%lld%lld%lld",&x,&y,&p,&q);
        ll g=__gcd(x,y);
        x/=g, y/=g;
        E=0;
        fill(dp,dp+2*mx,0);
        eu[E++]=max(x,y);
        workgcd(max(x,y),min(x,y));
        for(int i=E-3;i>=0;i--){
            dp[2*i]=min(dp[2*i+2]+p,dp[2*i+3]+q*(eu[i]/eu[i+1]));
            dp[2*i+1]=min(dp[2*i+2]+q*(eu[i]/eu[i+1]),dp[2*i]+p);
        }
        printf("%lld\n",x>=y?dp[0]:dp[1]);
    }
}

Compilation message

mcg.cpp: In function 'int main()':
mcg.cpp:15:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(scanf("%d",&T);T--;){
                       ^
mcg.cpp:16:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld%lld%lld",&x,&y,&p,&q);
                                              ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 0 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 2024 KB Output is correct
2 Correct 126 ms 2024 KB Output is correct
3 Correct 119 ms 2024 KB Output is correct
4 Correct 123 ms 2024 KB Output is correct
5 Correct 136 ms 2024 KB Output is correct
6 Correct 116 ms 2024 KB Output is correct
7 Correct 126 ms 2024 KB Output is correct
8 Correct 126 ms 2024 KB Output is correct
9 Correct 116 ms 2024 KB Output is correct
10 Correct 119 ms 2024 KB Output is correct
11 Correct 123 ms 2024 KB Output is correct
12 Correct 123 ms 2024 KB Output is correct
13 Correct 136 ms 2024 KB Output is correct
14 Correct 0 ms 2024 KB Output is correct
15 Correct 0 ms 2024 KB Output is correct
16 Correct 0 ms 2024 KB Output is correct
17 Correct 0 ms 2024 KB Output is correct
18 Correct 149 ms 2024 KB Output is correct
19 Correct 129 ms 2024 KB Output is correct
20 Correct 143 ms 2024 KB Output is correct
21 Correct 129 ms 2024 KB Output is correct
22 Correct 149 ms 2024 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 3 ms 2024 KB Output is correct
5 Correct 3 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 3 ms 2024 KB Output is correct
12 Correct 0 ms 2024 KB Output is correct
13 Correct 0 ms 2024 KB Output is correct
14 Correct 0 ms 2024 KB Output is correct
15 Correct 0 ms 2024 KB Output is correct
16 Correct 0 ms 2024 KB Output is correct
17 Correct 0 ms 2024 KB Output is correct
18 Correct 0 ms 2024 KB Output is correct
19 Correct 0 ms 2024 KB Output is correct
20 Correct 3 ms 2024 KB Output is correct
21 Correct 0 ms 2024 KB Output is correct
22 Correct 3 ms 2024 KB Output is correct
23 Correct 3 ms 2024 KB Output is correct
24 Correct 3 ms 2024 KB Output is correct
25 Correct 0 ms 2024 KB Output is correct
26 Correct 0 ms 2024 KB Output is correct
27 Correct 3 ms 2024 KB Output is correct
28 Correct 0 ms 2024 KB Output is correct
29 Correct 3 ms 2024 KB Output is correct
30 Correct 0 ms 2024 KB Output is correct
31 Correct 3 ms 2024 KB Output is correct

Subtask #4
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 2024 KB Output is correct
2 Correct 269 ms 2024 KB Output is correct
3 Correct 306 ms 2024 KB Output is correct
4 Correct 303 ms 2024 KB Output is correct
5 Correct 283 ms 2024 KB Output is correct
6 Correct 299 ms 2024 KB Output is correct
7 Correct 323 ms 2024 KB Output is correct
8 Correct 316 ms 2024 KB Output is correct
9 Correct 259 ms 2024 KB Output is correct
10 Correct 316 ms 2024 KB Output is correct
11 Correct 309 ms 2024 KB Output is correct
12 Correct 306 ms 2024 KB Output is correct
13 Correct 293 ms 2024 KB Output is correct
14 Correct 309 ms 2024 KB Output is correct
15 Correct 336 ms 2024 KB Output is correct
16 Correct 286 ms 2024 KB Output is correct
17 Correct 356 ms 2024 KB Output is correct
18 Correct 333 ms 2024 KB Output is correct
19 Incorrect 163 ms 2024 KB Output isn't correct
20 Halted 0 ms 0 KB -