已知数组a为{1,2,3}，数组b为{10,2,7}，请编程求出两个数组中重复的数并输出。

#include<stdio.h>
int main()
{	
	int a[3] = { 1,2,3 }, b[3] = {10,2,7},n=0,i=0;
	for (n = 0; n <= 2;n++) {
		for (i = 0; i <= 2;i++) {
			if (a[n]==b[i]) {
				printf("%d\n",a[n]);
			}
		}
	}
	return 0;
}