Submission #2544030
Source Code Expand
#include<bits/stdc++.h>
#define INF 1e9
#define llINF 1e18
#define MOD 1e9+7
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define ll long long
using namespace std;
int main(){
ll h,w;cin>>h>>w;
ll ans=llINF;
if(h%3==0||w%3==0){
cout<<0<<endl;
}else if(h==2||w==2){
if(h%2){
ans=min(ans,h*(w/2)-(h/2)*((w/2)));
ans=min(ans,(h/2)*w-((h/2)+1)*(w/2));
}else if(w%2){
ans=min(ans,h*(w/2)-(h/2)*((w/2)+1));
ans=min(ans,(h/2)*w-((h/2))*(w/2));
}else{
ans=min(ans,h*(w/2)-(h/2)*((w/2)));
ans=min(ans,(h/2)*w-((h/2))*(w/2));
}
cout<<ans<<endl;
}else{
if(h%2&&w%2){
ans=min(ans,h*(w/2)-(h/2)*((w/2)+1));
ans=min(ans,(h/3)*w);
ans=min(ans,h*(w/3));
ans=min(ans,(h/2)*w-((h/2)+1)*(w/2));
}else if(h%2&&w%2==0){
ans=min(ans,h*(w/2)-((h/2)+1)*(w/2));
ans=min(ans,(h/3)*w);
ans=min(ans,h*(w/3));
ans=min(ans,(h/2)*w-(h/2)*(w/2));
}else if(h%2==0&&w%2){
ans=min(ans,h*(w/2)-(h/2)*((w/2)+1));
ans=min(ans,(h/3)*w);
ans=min(ans,h*(w/3));
ans=min(ans,(h/2)*w-(h/2)*(w/2));
}else{
ans=min(ans,h*(w/2)-(h/2)*(w/2));
ans=min(ans,(h/3)*w);
ans=min(ans,h*(w/3));
ans=min(ans,(h/2)*w-(h/2)*(w/2));
}
cout<<ans<<endl;
}
return 0;
}
Submission Info
Submission Time |
|
Task |
C - Chocolate Bar |
User |
shi |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
1378 Byte |
Status |
WA |
Exec Time |
1 ms |
Memory |
256 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
0 / 400 |
Status |
|
|
Set Name |
Test Cases |
Sample |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt |
All |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt |
Case Name |
Status |
Exec Time |
Memory |
0_00.txt |
AC |
1 ms |
256 KB |
0_01.txt |
AC |
1 ms |
256 KB |
0_02.txt |
AC |
1 ms |
256 KB |
0_03.txt |
WA |
1 ms |
256 KB |
0_04.txt |
WA |
1 ms |
256 KB |
1_00.txt |
AC |
1 ms |
256 KB |
1_01.txt |
WA |
1 ms |
256 KB |
1_02.txt |
AC |
1 ms |
256 KB |
1_03.txt |
AC |
1 ms |
256 KB |
1_04.txt |
WA |
1 ms |
256 KB |
1_05.txt |
WA |
1 ms |
256 KB |
1_06.txt |
AC |
1 ms |
256 KB |
1_07.txt |
AC |
1 ms |
256 KB |
1_08.txt |
WA |
1 ms |
256 KB |
1_09.txt |
WA |
1 ms |
256 KB |
1_10.txt |
WA |
1 ms |
256 KB |
1_11.txt |
AC |
1 ms |
256 KB |
1_12.txt |
AC |
1 ms |
256 KB |
1_13.txt |
WA |
1 ms |
256 KB |
1_14.txt |
WA |
1 ms |
256 KB |