2017杭电多校第七场1005Euler theorem

Euler theorem

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)

Total Submission(s): 0    Accepted Submission(s): 0

Problem Description

HazelFan is given two positive integers a,b，
and he wants to calculate amodb.
But now he forgets the value of b and
only remember the value of a,
please tell him the number of different possible results.

 

Input

The first line contains a positive integer T(1≤T≤5),
denoting the number of test cases.

For each test case:

A single line contains a positive integer a(1≤a≤109).

 

Output

For each test case:

A single line contains a nonnegative integer, denoting the answer.

 

Sample Input

2
1
3

 

Sample Output

2
3

 

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思路：找规律

#include <iostream>
#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;

int main()
{
    int t;
    int a;
    cin>>t;
    while(t--)
    {
        cin>>a;
        int temp=(a+1)/2;
        if(a==1)cout<<2<<endl;
        else if(a==2)cout<<1<<endl;
        else if(a==3)cout<<3<<endl;
        else
        {
            cout<<temp+1<<endl;
        }
    }
    return 0;
}