nasobilka.c

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#include <stdio.h>
#include <stdlib.h>

int main(int c, char *argv[]) {
  int cislo, n, nasobek;

  printf("Zadej cislo pro nasobky: "); fflush(stdout);
  if (1 != (n=scanf("%d", &cislo))) {
     fprintf(stderr, "Usage: %s cislo\n", argv[0]); return EXIT_FAILURE;
  }

  printf("Nasobky zadaneho cisla:\n");
  n = 1;
  while (1) {
    nasobek = n * cislo;
    if (nasobek > 100) break;
    printf("%2d, ", nasobek);
    if (!(n % 10)) putchar('\n');
    n++;
  }
  putchar('\n');

  return EXIT_SUCCESS;
}