gistfile1.h

#include <stdio.h>
#include <math.h>
 
int main (int argc, const char *argv[])
{
	int chislo, one, two, three, i, tet;
	int size = 0;
	for (tet = 10; tet < 999; tet++) {
		int yes = yesNo(tet);
	}
	return 0;
}

int power(int test, int size)
{
	int res=1;
	while(size) {
		if (size&1)
			res *= test;
		test *= test;
		size >>=1;;
	}
	return res;
}
 
int yesNo(int one)
{
	int i = 0;
	int size = 0; // <--- fcuk here
	unsigned b = one;
	int nachalo = one;
	b = one;
	do {
		b /= 10;
		++size;
	} while(b>0);
	int c[size];
	int summa=0;
	for (i = 0; i<size; ++i) {
		c[i] = one%10;
		one /= 10;
		int test =c[i];
		int print = power(test, size);
		summa += print;
	}
	int yesno =0;
	if (summa == nachalo)
		printf("Есть Армстронга %i\n",nachalo);
	else
		printf("Не Армстронга\n");
	return yesno;
}