#include <iostream> using namespace std; int main(){ int n,x; cin >> n >> x; int sum = 0; for(int i = 0 ; i < n ; ++ i){ int number; cin>> number; sum +=number; } if(sum < 0) sum = -sum; cout<<(sum%x ? sum/x+1 : sum/x) <<endl; }
Codeforces Round #235 (Div. 2) A. Vanya and Cards,布布扣,bubuko.com
Codeforces Round #235 (Div. 2) A. Vanya and Cards
原文：http://www.cnblogs.com/xiongqiangcs/p/3597482.html