Tuesday, March 1, 2016

UVa 11059 Solution - Maximum Product

#include <bits/stdc++.h>
#define LL  long long
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define REP(i,n) for(int i=0;i<n;i++)
#define REV(i,n) for(int i=n-1;i>=0;i--)
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define pri(a) cout<<a<<endl
#define prii(a,b) cout<<a<<" "<<b<<endl
#define hi printf("Hello World\n");
using namespace std;

const int INF = 1<<29;
const int MX  = 1e5+10;

/// ** product of -ve numbers results in +ve/-ve both 

int main()
{
    LL prod,n,a[MX],mx=0,cs=0;

    while(cin>>n and n)
    {
        mx = 0;
        REP(i,n) cin>>a[i];

        REP(i,n)
        {
            prod=1;
            for(int j=i; j<n and prod; j++)
            {
                prod*=a[j];
                mx=max(mx,prod);
            }
        }
        printf("Case #%lld: The maximum product is %lld.\n\n", ++cs, mx);
    }
    return 0;
}

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