Ballon Problem

#include<iostream>
#include<stdio.h>

#define size 20
using namespace std;
int N;
int flag[size];
int flag1[size];
int visit[size];
int Ballon[size];
int Arr[size];
int T;
int point;
int Max_Value;
int sum;
int val;

void readCase()
{
    int i;
    scanf("%d", &N);
    for(i=0; i<N; i++){
        scanf("%d",&Ballon[i]);
    }

}
int left(int x)
{
    int i;
    if(x >= 0){
        //printf("Enter left x is %d\n",x);
        for(i=x; i>=0; i--){
            if(!visit[i]){
                return Ballon[i];
            }
        }
    }else{
        return 0;
    }
    return 0;
}
int right(int x)
{
    int i;
    if(x<N){
        //printf("Enter right x is %d\n",x);
        for(i=x; i<N; i++){
            if(!visit[i]){
                //printf("Enter right Again again\n");
                return Ballon[i];
            }
        }
    }else{
        return 0;
    }
    return 0;
}
int solve(int i)
{
    int l,r;
    visit[i] = 1;
    l = left(i-1);
    //printf("left is %d\n", l);
    r = right(i+1);
    //printf("Right is %d\n",r);
    if(l==0 && r==0){
        sum = sum+0;
    }
    if(l==0 && r>0){
        sum += r;
    }
    if(r==0 && l>0){
        sum += l;
    }
    if(r>0 && l>0){
        sum = sum+(l*r);
    }
    //printf("%d\n",sum);
    return sum;
}

void testCase()
{
    int i;
    sum = 0;
    for(i=0; i<N; i++){
        point = Arr[i];
        //printf("point is %d\n",point);
        val = solve(point);
        //printf("Value is %d\n", val);
    }
    //printf("\n");
    for(i=0;i<N;i++){
        visit[i] = 0;
    }
    if(Max_Value<val){
        Max_Value = sum;
    }
}

void initCase(int i)
{
    int j;
    for(j=0; j<N; j++){
        visit[i] = 0;
    }
    if(i==N){
        testCase();
        return;
    }
    for(j=0; j<N;j++){
        if(0==flag[j]){
        Arr[i] = j;
        flag[j] = 1;
        initCase(i+1);
        flag[j] = 0;
    }
    }
}

int main()
{
    freopen("bal.txt", "r", stdin);
    int i;
    scanf("%d",&T);
    for(i=1;i<=T;i++){
        Max_Value = 0;
        readCase();
        initCase(0);
        printf("Case# %d is %d\n",i, Max_Value);
    }
    return 0;
}