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void generateCoupon(int columnCount)
{
int i,j,k,n;
int numbers[6] = {};
bool equal;
for (k=0 ; k<columnCount ; k++) {
for (i=0 ; i<6 ; i++ ) {
do
{
n=myRand();
equal=true; //If equal's value didn't change,loop will not be repeated for the current value of i.
for(j=0 ; j<i ;j++ ) {
if(numbers[j]==n) { //To check if any equal numbers obtained.
equal=false; //In case of equality,loop will be repeated until all numbers have distinct values.
break; //No need to go all through every other number.
}
}
} while (!equal);
numbers[j]=n;
cout<<numbers[j]<<" ";
}
cout<<endl;
}
}
void generateCouponWithConstant(int columnCount, int constantNumber, int constantColumnCount)
{
int i,j,k,n,l;
int numbers[6] = {};
bool equal;
for(k=0; k<constantColumnCount ; k++) {
cout<<constantNumber<<" ";
for (i=0 ; i<5 ; i++ ) { //i<5 because constant numbers is already displayed,since there are 5 numbers left to generate and display.
do
{
n=myRand();
equal=true; //If equal's value didn't change,loop will not be repeated for the current value of i.
for(j=0 ; j<i ;j++ ) {
if(numbers[j]==n || numbers[j]==constantNumber) { //To check if any equal numbers obtained.
equal=false; //In case of equality,loop will be repeated until all numbers have distinct values.
break; //No need to go all through every other number.
}
}
} while (!equal);
numbers[i]=n;
cout<<numbers[i]<<" ";
}
cout<<endl;
}
for(l=0; l<(columnCount - constantColumnCount) ; l++) {
for (i=0 ; i<6 ; i++ ) {
do
{
n=myRand();
equal=true; //If equal's value didn't change,loop will not be repeated for the current value of i.
for(j=0 ; j<i ;j++ ) {
if(numbers[j]==n) { //To check if any equal numbers obtained.
equal=false; //In case of equality,loop will be repeated until all numbers have distinct values.
break; //No need to go all through every other number.
}
}
} while (!equal);
numbers[i]=n;
cout<<numbers[i]<<" ";
}
cout<<endl;
}
}
void generateCouponWithRange(int columnCount, int lowerLimit, int upperLimit, int numberCount)
{
int i,m,n,j,k,l;
int numbers[6] = {};
bool equal;
for(j=0; j<columnCount ; j++) {
for(k=0 ; k<numberCount ; k++) {
do
{
n=myRand() % (upperLimit - lowerLimit + 1) + lowerLimit; //To obtain a number between lowerLimit to upperLimit.
equal=true; //If equal's value didn't change,loop will not be repeated for the current value of i.
for(i=0 ; i<k ;i++ ) {
if(numbers[i]==n) { //To check if any equal numbers obtained.
equal=false; //In case of equality,loop will be repeated until all numbers have distinct values.
break; //No need to go all through every other number.
}
}
} while (!equal);
numbers[i]=n;
cout<<numbers[i]<<" ";
}
for(l=numberCount ; l<6 ; l++) {
do
{
m=myRand();
equal=true; //If equal's value didn't change,loop will not be repeated for the current value of i.
for(i=0 ; i<l ;i++ ) {
if(numbers[i]==m) { //To check if any equal numbers obtained.
equal=false; //In case of equality,loop will be repeated until all numbers have distinct values.
break; //No need to go all through every other number.
}
}
} while (!equal);
numbers[i]=m;
cout<<numbers[i]<<" ";
}
cout<<endl;
}
}
void generateCouponWithDistance(int columnCount, int distance)
{
int a[6] = {0};
int i,j,k;
for(j=0 ; j<columnCount ; j++) {
while(true) {
a[0]=myRand();
for(i=1 ; i<6 ; i++) {
a[i]=a[i-1] + myRand() % (10 - distance) + distance; //Any numbers in array will have a difference as at least the distance and 9 at maxium.
}
if(a[5]<=49) break; //In case of overflow,start again.
}
for(k=0 ; k<6 ; k++) {
cout<<a[k]<<" ";
}
cout<<endl;
}
}
int myRand()
{
int random=rand() % 500 + 499; //A value between 500 to 999 is generated.
int random2=pow(random, 3); // Cube of the number is obtained to have a 9 digit number.
int randomFinal= getRange(random2, 3, 7); //A sub number is generated using getRange function.
return (randomFinal % 49) + 1; //Obtained a random number between 1 to 49 using modulus operation.
}
int getRange(int number, int startIndex, int endIndex)
{
int i,x,number1,number2,number3,number4;
x=number;
for (i=0 ; x>10 ; i++) {
x=x/10; // To determine how many digits number has,it is divided until it becomes smaller than 10.
}
number1=number/pow(10, i - startIndex + 2);
number2=number1*pow(10, i - startIndex + 2);
number3=number - number2;
number4=number3/pow(10, i - endIndex + 1);
return number4;
}
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