ZOJ1414 POJ1663 Number Steps 很简单的找规律题

很简单，找规律。。。

/******************************************************************************* * Author : Neo Fung * Email : [e-mail] * Last modified : 2011-07-31 11:32 * Filename : ZOJ1414 POJ1663 Number Steps.cpp * Description :  * *****************************************************************************/// ZOJ1414 POJ1663 Number Steps.cpp : Defines the entry point for the console application.//// #include "stdafx.h"#include <fstream>#include <stdio.h>#include <iostream>#include <string.h>#include <string>#include <vector>#include <stack>#include <queue>#include <deque>#include <map>#include <math.h>#include <algorithm>#include <numeric>#include <functional>#include <memory.h>using namespace std;int main(void){// ifstream cin("data.txt");int ncases;int x,y;cin>>ncases;while(ncases--){cin>>x>>y;if (x==y){if (x%2){cout<<x*2-1<<endl;} else{cout<<x*2<<endl;}}else if (x-y==2){if (x%2){cout<<x+y-1<<endl;} else{cout<<x+y<<endl;}} else{cout<<"No Number"<<endl;}}return 0;}