hdu 1391 Number Steps（规律）

题意：找规律

思路：找规律

#include<iostream>

#include<stdio.h>

using namespace std;

int main(){

    int n,x,y;

    scanf("%d",&n);

    while(n--){

        scanf("%d%d",&x,&y);

        if(x==y)x&?printf("%d\n",x+x-):printf("%d\n",x+x);

        else if(x-y==)x&?printf("%d\n",x+y-):printf("%d\n",x+y);

        else printf("No Number\n");

    }

    return ;

}