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Submission #1295788

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```#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
/*---------------------------------------------------------------------------------------------------
∧＿∧
∧＿∧ 　（´<_｀ ）　 Welcome to My Coding Space!
（ ´_ゝ`）　/　 ⌒i
／　　　＼　 　  |　|
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＼/＿＿＿＿/　（u　⊃
---------------------------------------------------------------------------------------------------*/

typedef long long ll;
#define INF 1LL << 60
ll H, W;
//---------------------------------------------------------------------------------------------------
ll f(ll a, ll b, ll c) {
ll ma = max(a, max(b, c));
ll mi = min(a, min(b, c));
return ma - mi;
}
//---------------------------------------------------------------------------------------------------
ll solA() {
ll res = INF;
if (2 < H) {
ll h = H / 3;
if (H % 3 == 0) return 0;
res = min(res, W);
}

if (2 < W) {
ll w = W / 3;
if (W % 3 == 0) return 0;
res = min(res, H);
}

return res;
}
//---------------------------------------------------------------------------------------------------
ll solB() {
ll res = INF;

rep(x, 1, W) {
ll xx = x;

ll b = H / 2;
res = min(res, f(xx * b, xx * (H - b), (W - xx) * H));
}

rep(y, 1, H) {
ll yy = y;

ll b = W / 2;
res = min(res, f(yy * b, yy * (W - b), (H - yy) * W));
}

return res;
}
//---------------------------------------------------------------------------------------------------
void _main() {
cin >> H >> W;

ll ans = min(solA(), solB());
cout << ans << endl;
}```

#### Submission Info

Submission Time 2017-05-20 21:08:44+0900 C - Chocolate Bar hamayanhamayan C++14 (GCC 5.4.1) 400 2132 Byte AC 2 ms 256 KB

#### Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
 AC × 5
 AC × 20
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 AC 1 ms 256 KB
0_04.txt AC 2 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 1 ms 256 KB
1_04.txt AC 1 ms 256 KB
1_05.txt AC 1 ms 256 KB
1_06.txt AC 2 ms 256 KB
1_07.txt AC 1 ms 256 KB
1_08.txt AC 1 ms 256 KB
1_09.txt AC 1 ms 256 KB
1_10.txt AC 2 ms 256 KB
1_11.txt AC 1 ms 256 KB
1_12.txt AC 1 ms 256 KB
1_13.txt AC 1 ms 256 KB
1_14.txt AC 1 ms 256 KB