#include <stdio.h>
int main()
{
int n = 5;
int i, j, k;
for (i = 0; i < n; i++)
{
for (j = 0; j < n - i - 1; j++)
{
printf(" ");
}
for (k = 0; k < 2 * i + 1; k++)
{
printf("*");
}
printf("\n");
}
// printf("%d %d %d", i, j, k);
return 0;
}
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