Submission #309829

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
309829	2020-10-04 15:43:54	emaborevkovic	Stations (IOI20_stations)	C++14	100 / 100	1041 ms	1136 KiB

stations

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
#define pb push_back
const int N = 1005;
vector <int> ls[N];
vector <int> res;
int depth[N], podstablo[N];
int dfs (int x, int d, int p) {
  int suma = 0;
  depth[x] = d;
  for (int i=0;i<ls[x].size();i++) {
    if (ls[x][i] == p) continue;
    suma += dfs(ls[x][i], d+1, x);
  }
  return podstablo[x] = suma+1;
}
void oznaci (int x, int l, int r, int p) {
  if (depth[x] % 2 == 0) {
    res[x] = l;
    l++;
  }
  else {
    res[x] = r;
 
 
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Compilation message (stderr)

stations.cpp: In function 'int dfs(int, int, int)':
stations.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i=0;i<ls[x].size();i++) {
      |               ~^~~~~~~~~~~~~
stations.cpp: In function 'void oznaci(int, int, int, int)':
stations.cpp:33:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for (int i=0;i<ls[x].size();i++) {
      |               ~^~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:71:1: warning: control reaches end of non-void function [-Wreturn-type]
   71 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61