学步园

传送门：http://codeforces.com/contest/466/problem/B

做比赛那会儿脑洞大开，目测是吃了万恶的烤鱼。。

#include<stdio.h>
#include<string.h>
#include<math.h>

#define N 1e18

int main()
{
    __int64 n, a, b;
    while(~scanf("%I64d%I64d%I64d", &n, &a, &b))
    {
        __int64 ans = N;
        n *= 6;
        if(a * b >= n)
        {
            printf("%I64d\n", a * b);
            printf("%I64d %I64d\n", a, b);
            continue;
        }
        __int64 z = a, x = b;
        __int64 s = (__int64)sqrt(n) + 1;
        for(int i = a; i <= s; i++)
        {
            __int64 B = n / i + (n % i > 0);
            if(i * B < ans && B >= b)
                z = i, x = B, ans = i * B;
        }
        for(int i = b; i <= s; i++)
        {
            __int64 A = n / i + (n % i > 0);
            if(i * A < ans && A >= a)
                z = A, x = i, ans = i * A;
        }
        printf("%I64d\n", x * z);
        printf("%I64d %I64d\n", z, x);
    }
    return 0;
}