A. Rounding
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output
Vasya has a non-negative integer n. He wants to round it to nearest integer, which ends up with 0. If n already ends up with 0, Vasya considers it already rounded.
For example, if n = 4722 answer is 4720. If n = 5 Vasya can round it to 0 or to 10. Both ways are correct.
For given n find out to which integer will Vasya round it.
Input
The first line contains single integer n (0 ≤ n ≤ 109) — number that Vasya has.
Output
Print result of rounding n. Pay attention that in some cases answer isn't unique. In that case print any correct answer.
Examples
Input
Copy
5
Output
Copy
0
Input
Copy
113
Output
Copy
110
Input
Copy
1000000000
Output
Copy
1000000000
Input
Copy
5432359
Output
Copy
5432360
Note
In the first example n = 5. Nearest integers, that ends up with zero are 0 and 10. Any of these answers is correct, so you can print 0 or 10.
题目链接：http://codeforces.com/contest/898/problem/A
题目意思：将一个化成最近它的一个以0结尾的数。水题，暴力解答。
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int x;
cin >> x;
if(x>5 && x<10)
cout << 10 << endl;
else if(x>0 && x<=5)
cout << 0 << endl;
else if(x%10>5 && x%10<10)
cout << x-x%10+10 << endl;
else
cout << x-x%10 << endl;
return 0;
}