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     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (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
Task C - Chocolate Bar
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 400
Code Size 2132 Byte
Status AC
Exec Time 2 ms
Memory 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