Submission #803189

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
803189	2023-08-03 00:16:28	pavement	Ideal city (IOI12_city)	C++17	11 / 100	1080 ms	2016 KiB

city

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#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
using ii = pair<int, int>;
int dist[100005], dx[] = {-1, 0, 0, 1}, dy[] = {0, -1, 1, 0};
bool vis[100005];
map<ii, int> mpp;
queue<ii> Q;
const int MOD = (int)1e9;
int DistanceSum(int N, int X[], int Y[]) {
  int ans = 0;
  for (int i = 0; i < N; i++) {
    mpp[mp(X[i], Y[i])] = i;
  }
  for (int i = 0; i < N; i++) {
    Q.emplace(X[i], Y[i]);
    for (int j = 0; j < N; j++) vis[j] = 0;
    vis[i] = 1;
    dist[i] = 0;
    while (!Q.empty()) {
      auto [x, y] = Q.front();
      Q.pop();
      for (int k = 0; k < 4; k++) {
        int nx = x + dx[k], ny = y + dy[k];
        if (mpp.find(mp(nx, ny)) != mpp.end()) {
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 0 / 21
• Subtask 3: 0 / 23
• Subtask 4: 0 / 45