ctriangle.c

#include <stdio.h>

int min(int a, int b) {
    if(a < b)
      return a;
    else
      return b;
}

int main(void) {

  int x, y;
  int base, hauteur;

  printf("BASE => ");
  scanf("%d", &base);
  fflush(stdin);
  if(base%2 == 0)
    base++;
  printf("HAUTEUR => ");
  scanf("%d", &hauteur);
  fflush(stdin);
  printf("TRIANGLE: B=%d, H=%d\n", base, hauteur);

  for (y=0; y < hauteur; y++) {
    for (x=0; x < base; x++) {
      if (y==0 && x==base/2)
        printf(".");
      else if (x==(base/2)-y)
        printf("/");
      else if (x==(base/2)+y)
        printf("\\");
      else if (y==min(base/2,hauteur-1) && \
               x > (base/2)-y && \
               x < (base/2)+y)
        printf("_");
      else
        printf(" ");
    }
    printf("\n");
  }
  return 0;
}