C Program to Generate Random Integers

C Program To Generate Random Numbers Between 11 to 50

This c program is used to generate the random number between 11 to 50.

#include <stdio.h>                                                              
#include <stdlib.h>                                                              
                                                                                
void main()                                                                     
{                                                                               
    int n;                                                                      
    int ch;                                                                     
                                                                                
    printf("\nRandom numbers between 11 to 50");                                
    do                                                                          
    {                                                                                                                                        
        n = rand() % 40 + 11;                                                   
        printf("\nRandom number: %d", n);                                       
        printf("\nDo you want to generate again (1/0): ");                      
        scanf("%d", &ch);                                                       
    } while(ch == 1);                                                           
                                                                                
}                                                         

$ cc random.c
$ ./a.out 

Random numbers between 11 to 50
Random number: 34
Do you want to generate again (1/0): 1

Random number: 17
Do you want to generate again (1/0): 1

Random number: 28
Do you want to generate again (1/0): 0

C Program To Generate Random Numbers Between 71 to 150

This c program is used to generate the random number between 71 to 150.

#include <stdio.h>                                                              
#include <stdlib.h>                                                              
                                                                                
void main()                                                                     
{                                                                               
    int n;                                                                      
    int ch;                                                                     
                                                                                
    printf("\nRandom numbers between 71 to 150");                               
    do                                                                          
    {                                                                                                                                       
        n = rand() % 80 + 71;                                                   
        printf("\nRandom number: %d", n);                                       
        printf("\nDo you want to generate again (1/0): ");                      
        scanf("%d", &ch);                                                       
    } while(ch == 1);                                                           
                                                                                
}                                                        

$ cc random1.c
$ ./a.out 

Random numbers between 71 to 150
Random number: 94
Do you want to generate again (1/0): 1

Random number: 77
Do you want to generate again (1/0): 1

Random number: 128
Do you want to generate again (1/0): 1

Random number: 106
Do you want to generate again (1/0): 1

Random number: 104
Do you want to generate again (1/0): 1

Random number: 86
Do you want to generate again (1/0): 0