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如果是runtime error,建议把数组开大一点,尽量的大,100000就差不多啦.....我的小小代码 如下.....ac啦

Posted by wangjiayu at 2010-08-18 12:09:14 on Problem 1663 
#include<stdio.h>
int main()
{
	int n;
	int x[100000],y[100000];
	scanf("%d",&n);
	while(n--)
	{
		scanf("%d %d",&x[n],&y[n]);
		if(x[n] == y[n] || x[n] == y[n] + 2)
		{
			printf("%d\n",x[n] + y[n] - x[n] % 2);
		}
		else printf("No Number\n");
	}
	return 0;
}
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