C Pyramid

#include <stdio.h>
#include <string>
class piramid
{
public:
void pira(int n,int m)
{
for (int i = 0; i < m; i++)
{
for (int i = 1; i <= n; i++)
{
for (int k = 0; k <= n-i; k++)printf(" ");
for (int x = 0; x <i*2-1; x++)printf("=");
printf("\n");
}
}
}
};
int main(int argc,char** args)
{
piramid p;
p.pira(10,1);
return 0;
}