| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 280470 | ElyesChaabouni | Ideal city (IOI12_city) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#define ordered_set tree<int, null_type,less<int >, rb_tree_tag,tree_order_statistics_node_update>
#define eps 1e-9
#define MOD1 998244353
#define MOD2 1000000007
#define INV_10 299473306
#define INF 1000000000
#define PI 3.14159265358979323846
using namespace std;
int DistanceSum(int N, int *X, int *Y)
{
vector<int>v[N];
for(int j = 0; j < N; j++)
{
for(int k = j+1; k< N; k++)
{
long long x1=abs(X[j]-X[k]), y1=abs(Y[j]-Y[k]);
long long dis=x1+y1;
if(dis==1)
{
v[k].push_back(j);
v[j].push_back(k);
}
}
}
long long ans=0;
for(int i = 0; i < N; i++)
{
//cout << i << ' ' << X[i] << ' ' << Y[i] << '\n';
unordered_set<int>s;
int nb=1, idx=0;
vector<int>bfs;
bfs.push_back(i);
bool ok=1;
s.insert(i);
while(bfs.size()!=N)
{
//cout << nb << '\n';
int l=bfs.size();
for(int j = idx; j < l; j++)
{
//cout << bfs[j].first << ' ' << bfs[j].second << '\n';
for(int k = 0; k < v[bfs[j]].size(); k++)
{
if(!s.count(v[bfs[j]][k]))
{
s.insert(v[bfs[j]][k]);
if(v[bfs[j]][k] < i)
ans+=nb;
bfs.push_back(v[bfs[j]][k]);
}
}
}
nb++;
idx=l;
}
ans%= 1000000000;
}
//ans*=( 1000000000);
ans%= 1000000000;