Lab#5

#include <vcl.h>      // Visual Component Library
#include <stdio.h>    // standard input/output header
#include <conio.h>    //console input-output
#include <math.h>     //mathematics
#include <stdlib.h>   //standard library
#pragma hdrstop
#pragma argsused


//---------------------------------------------------------------------------

int main(int argc, char* argv[])
{
        int *a,n,i,k,sum,count,sign;
        randomize();
        do {
                clrscr();
                printf("Quest : ''Sum numbers after first negative number''\n");
                do {
                        printf("Please type '1' for random, other digits -your's array\n");
                        fflush(stdin);
                }while(scanf("%d",&sign) !=1);
                do {
                        printf("Enter the number of array elements\n");
                        fflush(stdin);
                }while(scanf("%d",&n) !=1);
                a=new int[n];
                if (sign==1){
                        puts("New array A...");
                        for (i=0;i<n;i++){
                                a[i]=random(21)-10;
                                printf("%d ",a[i]);
                        }
                }
                else {
                        i=0;
                        do {
                                do {
                                printf("Please enter a[%d] ",i);
                                fflush(stdin);
                                }while(scanf("%d",&a[i]) !=1);
                        i++;
                        } while(i!=n);
                        printf("Your's array...\n");
                        for (k=0;k<i;k++){
                                printf("[%d] ",a[k]);
                        }

                }
                
                count=-3;
                for (i=0;i<n;i++){
                    if ((a[i]<0) && (count<0)){
                        count=i+1;
                        break;
                    }
                }

                if (count<0)   {
                puts ("\nNo negative number.");
                continue;
                }
                if (count==n){
                        printf ("\nFirst negative number - a[%d]\n",count-1);
                        continue;
                }
                if ((count>=0) && (count!=n))
                {
                        sum=0;
                        for (i=count;i<n;i++) sum+=a[i];
                        printf("\nSUM=%d\n",sum);
                }
                delete []a;
                puts("Exit - 1, Restart - any key");
        } while ( getch() != '1');
}