Question

How to generate 4 digits int random number in C

Answer 1

#include <stdio.h>
#include <stdlib.h>
#include <time.h> 
 
int generate_4_digits_random_number() {
    return rand() % 9000 + 1000; // numbers from 1000 to 9999
}
 
int main() {
    srand(time(NULL)); 
 
    for (int i = 0; i < 10; i++) {
        printf("%d\n", generate_4_digits_random_number()); 
    }
 
    return 0;
}
 
   
   
/*
run:
   
8347
3438
9943
3902
1696
7638
2027
3131
7976
8553
   
*/

 

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