Submission #869386

#	Time	Username	Problem	Language	Result	Execution time	Memory
869386		shdfshdfshdf	Ideal city (IOI12_city)	C++17	0 / 100	21 ms	2132 KiB

city

#include <bits/stdc++.h>
using namespace std;

int DistanceSum(int n, int *x, int *y){
    int minx=4294967295, miny=4294967295;
    for (int a=0; a<n; a++) {
        minx=min(minx, x[a]);
        miny=min(miny, y[a]);
    }
    for (int a=0; a<n; a++) {
        x[a]-=minx;
        y[a]-=miny;
    }
    sort(x, x+n);
    sort(y, y+n);
    int bx=0, by=0;
    for (int a=0; a<n; a++) {
        bx+=x[a]-x[0];
        by+=y[a]-y[0];
    }
    int ans=bx+by;
    for (int a=1; a<n; a++) {
        bx-=(n-a)*(x[a]-x[a-1]);
        by-=(n-a)*(y[a]-y[a-1]);
        ans=(ans+bx+by)%1000000000;
    }
    return ans;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 21
• Subtask 3: 0 / 23
• Subtask 4: 0 / 45