제출 #1021763

#제출 시각아이디문제언어결과실행 시간메모리
1021763vjudge1이상적인 도시 (IOI12_city)C++17
23 / 100
24 ms2140 KiB
#include<bits/stdc++.h> using namespace std; int mod=1e9; int DistanceSum(int N, int *X, int *Y) { sort(X,X+N); sort(Y,Y+N); long long ans=0; for(long long i=0;i<N;i++){ ans+=i*X[i] - (N-i-1) *X[i]; ans%=mod; } for(long long i=0;i<N;i++){ ans+=i*Y[i] - (N-i-1) *Y[i]; ans%=mod; } return (ans+mod)%mod; }
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