Find Amir CodeForces 805C
http://codeforces.com/contest/805/problem/C
题意:有n个学校,学校的编号是从1到n,从学校i到学校j的花费是(i+j)%(n+1),让你求遍历完所有学校的最小花费
解析:你会发现头尾相加就会使得他等于n+1的,那么他的遍历顺序应该是
1---->n------>2------>(n-1)------->3--------->(n-2)…… 以此类推下去,就会发现最终的总花费就是(n-1)/2
花费 0 1 0 1 0
#include <iostream>
using namespace std; int main(){
int n;
while(cin >> n){
cout << (n - ) / << endl;
}
}
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