You start with this.
Code:
int main() {
int lotto[49] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14,15, 16, 17, 18, 19, 20, 21,22, 23, 24, 25,
26, 27, 28,29, 30, 31, 32, 33, 34, 35,36, 37, 38,
39, 40, 41, 42,43, 44, 45, 46, 47, 48, 49 };
int i;
for(i=0;i<49;i++){
printf(" \n %d",lotto[i]);
}
}
Then this.
Code:
int main() {
int lotto[49] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14,15, 16, 17, 18, 19, 20, 21,22, 23, 24, 25,
26, 27, 28,29, 30, 31, 32, 33, 34, 35,36, 37, 38,
39, 40, 41, 42,43, 44, 45, 46, 47, 48, 49 };
int i;
for(i=0;i<49;i++){
printf("%d,",lotto[i]);
}
printf("\n");
{
// pick two random lotto number positions
int p1 = rand() % 49;
int p2 = rand() % 49;
// now swap them over
int temp = lotto[p1];
lotto[p1] = lotto[p2];
lotto[p2] = temp;
}
for(i=0;i<49;i++){
printf("%d,",lotto[i]);
}
printf("\n");
}
And finally, this.
Then this.
Code:
int main() {
int lotto[49] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14,15, 16, 17, 18, 19, 20, 21,22, 23, 24, 25,
26, 27, 28,29, 30, 31, 32, 33, 34, 35,36, 37, 38,
39, 40, 41, 42,43, 44, 45, 46, 47, 48, 49 };
int i;
for(i=0;i<49;i++){
printf("%d,",lotto[i]);
}
printf("\n");
srand(time(0));
for ( i = 0 ; i < 25 ; i++ )
{
// pick two random lotto number positions
int p1 = rand() % 49;
int p2 = rand() % 49;
// now swap them over
int temp = lotto[p1];
lotto[p1] = lotto[p2];
lotto[p2] = temp;
}
for(i=0;i<49;i++){
printf("%d,",lotto[i]);
}
printf("\n");
}