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User404 - Beginner Challenge #1


user404
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Hello!

I'm learning C, so I'll be posting the problems I'm solving here, join in if you want and post your solutions in your favorite language. :smile:

Challenge 1:

Write a program that reads numbers, until it reads 0, and then outputs them in reverse order.

Solution:

#include <stdio.h>

#define MAX 100

int main(void){
  int matrix[MAX];
  int num, i=0;

  printf(" Input at most %d integers, stop with 0\n", MAX);
  do{
    printf(" number[%d] = ", i); scanf("%d", &num);
    if(num==0) break;
    matrix[i]=num;
    i++;
  } while( i< MAX );

  while(i--) printf(" %d", matrix[i]);

  printf("\n");

  return 0;
}
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