c语言编写任意进制转换

/*N-scale transformation*/
#include<stdio.h>
#include<stdlib.h>
int main() {
	int i=0,scale,integral,j,num[20];
	printf("Please put a integral: ");
	scanf("%d",&integral);
	printf("Please put a scale: ");
	scanf("%d",&scale);
	/*Judging integral*/
	do {
		i++;
		num[i]=integral%scale;
		integral=integral/scale;
	} while(integral!=0);
	printf("The data has converted\n");
	for(j=i; j>0; j--)
		printf("%d",num[j]);
	printf("\n");
	system("pause");
	return 0;
}