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day039.c
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day039.c
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main(void) {
char design_array[50];
int iteration_count;
scanf("%d", &iteration_count);
int design_array_size = (iteration_count*4);
char * design_array_ptr = calloc(design_array_size, sizeof(char));
for(int i=0 ; i<design_array_size; i++)
*(design_array_ptr + i) = ' ';
if(strlen(design_array_ptr) == design_array_size){
for(int i=0; i<iteration_count*2; i+=2){
*(design_array_ptr + i) = '*';
*(design_array_ptr + (design_array_size-i-1)) = '*';
printf("%s\n", design_array_ptr);
}
for(int i=iteration_count*2; i>=1; i-=2){
*(design_array_ptr + i) = ' ';
*(design_array_ptr + (design_array_size-i-1)) = ' ';
printf("%s\n", design_array_ptr);
}
free(design_array_ptr);
}else{
for(int i=0 ; i<design_array_size; i++)
design_array[i] = ' ';
for(int i=0; i<iteration_count*2; i+=2){
design_array[i] = '*';
design_array[(design_array_size-i-1)] = '*';
printf("%s\n", design_array);
}
for(int i=iteration_count*2; i>=1; i-=2){
design_array[i] = ' ';
design_array[(design_array_size-i-1)] = ' ';
printf("%s\n", design_array);
}
}
return 0;
}