Submission #23659

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
23659	2017-05-17 22:18:45	Hiasat	Parachute rings (IOI12_rings)	C++14	55 / 100	4040 ms	114480 KiB

rings

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#include <bits/stdc++.h>
using namespace std;
int N;
int dsu[1000001], E[1000001], freq[1000001][5], sz[1000001], in[1000001], big[1000001][5], vis[1000001], vsId;
vector<int> adj[1000001];
bool block[1000001];
bool fn(int u, int p) {
  if (vis[u] == vsId) {
    return false;
  }
  if (!block[u] && in[u] > 2)
    return false;
  vis[u] = vsId;
  for (int i = 0; i < adj[u].size(); ++i) {
    int v = adj[u][i];
    if (v == p || block[v])
      continue;
    if (block[u] && vis[v] == vsId)
      continue;
    if (!fn(v, u))
      return false;
  }
  return true;
}
bool check(int u , int p) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

rings.cpp: In function 'bool fn(int, int)':
rings.cpp:19:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < adj[u].size(); ++i) {
                  ~~^~~~~~~~~~~~~~~
rings.cpp: In function 'bool check(int, int)':
rings.cpp:33:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < adj[u].size(); ++i) {
                  ~~^~~~~~~~~~~~~~~
rings.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < adj[u].size(); ++i) {
                  ~~^~~~~~~~~~~~~~~
rings.cpp: In function 'int CountCritical()':
rings.cpp:116:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int j = 0 ; j < adj[big[i][3]].size(); j++) {
                      ~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 14
• Subtask 5: 0 / 31