Submission #823609

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
823609	2023-08-12 20:59:05	danitro	Putovanje (COCI20_putovanje)	C++14	110 / 110	980 ms	77940 KiB

putovanje

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#include <bits/stdc++.h>
using namespace std;
#define MAX 410000
long long n, par[25][MAX], first[MAX], last[MAX], tym, br[25][MAX], tree[MAX * 2], lazy[MAX * 2];
map<pair<int, int>, long long > mp;
long long ans;
vector <int> gr[MAX];
bool used[MAX];
struct edge
{
  long long a, b, c, d;
} e[MAX];
void dfs(int v, int pr)
{
  used[v] = true;
  first[v] = ++tym;
  
  par[0][v] = pr;
  for(int i = 1; i < 25; i++)
  {
    par[i][v] = par[i - 1][par[i - 1][v]];
 
 
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Compilation message (stderr)

putovanje.cpp: In function 'void dfs(int, int)':
putovanje.cpp:33:19: 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 < gr[v].size(); i++)
      |                 ~~^~~~~~~~~~~~~~
putovanje.cpp: In function 'void dfs_comp(int, int, int)':
putovanje.cpp:135:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  135 |  for(int i = 0; i < gr[v].size(); i++)
      |                 ~~^~~~~~~~~~~~~~
putovanje.cpp: In function 'int main()':
putovanje.cpp:155:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  155 |  scanf("%lld", &n);
      |  ~~~~~^~~~~~~~~~~~
putovanje.cpp:158:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  158 |   scanf("%lld%lld%lld%lld", &e[i].a, &e[i].b, &e[i].c, &e[i].d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65