Find a number

Data de publicació: Feb 10, 2017 7:53:48 PM

#include <stdio.h>

#include <stdlib.h>

#define MAX 20

int main(){

int A[MAX], num, found;

int i;

srand(time(NULL));

//Generate an array with random numbers between 1 and MAX

for ( i = 0; i < MAX; i++ ) A[i] = rand()%MAX + 1;

//Generate an array with numbers between 1 and MAX

//for ( i = 0; i < MAX; i++ ) A[i] = i;

//Ask for a number

printf("Num: ? ");

scanf("%d", &num);

//Look for the number

found = -1;

i = 0;

while (( i < MAX ) && ( A[i] != num )) i++;

if ( i < MAX ) found = i + 1;

//Print the array

for ( i = 0; i < MAX; i++ )

    printf("%d ", A[i]);

printf("\n");

//Print if found

if ( found < 0 )

    printf("Number %d not found \n", num);

else

    printf("Found number %d in position %d \n", num, found);

}