AtCoder Beginner Contest 082 A

题目链接：https://abc082.contest.atcoder.jp/tasks/abc082_a

Time limit : 2sec / Memory limit : 256MB

Score : 100 points

Problem Statement

You are given two positive integers a and b. Let x be the average of a and b. Print x rounded up to the nearest integer.

Constraints

a and b are integers.
1≤a,b≤100

Input

Input is given from Standard Input in the following format:

a b

Output

Print x rounded up to the nearest integer.

Sample Input 1

Copy

1 3

Sample Output 1

Copy

The average of 1 and 3 is 2.0, and it will be rounded up to the nearest integer, 2.

Sample Input 2

Copy

7 4

Sample Output 2

Copy

The average of 7 and 4 is 5.5, and it will be rounded up to the nearest integer, 6.

Sample Input 3

Copy

5 5

Sample Output 3

Copy

 #include <iostream>

 #include <cstdio>

 #include <algorithm>

 #include <stack>

 #include <string>

 #include <cstring>

 #include <cmath>

 #include <cstdio>

 using namespace std;

 int main()

 {

     int a,b;

     while(cin>>a>>b){

         if((a+b)%==) cout<<(a+b)/<<endl;

         else{

             int c=(a+b)/;

             if(a+b-*c<=) cout<<c+<<endl;

             else cout<<c<<endl;

         }

     }

     return ;

 }

巴特西

AtCoder Beginner Contest 082 A - Round Up the Mean

Problem Statement

Constraints

Input

Output

Sample Input 1

Sample Output 1

Sample Input 2

Sample Output 2

Sample Input 3

Sample Output 3

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