AtCoder Beginner Contest 179 - Qiita

# include<iostream> # include<vector> # include<algorithm> # include<iomanip> # include<utility> # include<iomanip> # include<map> # include<queue> # include<cmath> # include<cstdio> # define rep(i,n) for(int i=0; i<(n); ++i) # define pai 3.1415926535897932384 using namespace std; using ll =long long; using P = pair<int,int>; int main(int argc, const char * argv[]) { int N; cin >> N; vector<int> d