AtCoder Beginner Contest 082 A - Round Up the Mean

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

2

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

6

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

5

---

 #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 ;
 }