Submission #711271

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
711271	2023-03-16 12:20:55	groshi	One-Way Streets (CEOI17_oneway)	C++17	100 / 100	133 ms	20044 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
struct wi{
    vector<int> Q,Q2;
    int pocz=0,kon=0;
    int most=0;
    int low=0;
    bool odw=0;
    int pree=0;
    bool odw2=0;
    int nr_do_ojca=0;
    int odw3=0;
}*w;
int t[200000][2];
string wypisz="";
int pre=1;
void reku(int x,int ojc,int jaka)
{
    w[x].odw=1;
    w[x].pree=pre;
    w[x].low=pre;
    pre++;
    for(int i=0;i<w[x].Q.size();i+=2)
    {
        int pom=w[x].Q[i];
        if(w[x].Q[i+1]==jaka)
        continue;
        if(w[pom].odw==1)
            w[x].low=min(w[x].low,w[pom].pree);
 
 
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Compilation message (stderr)

oneway.cpp: In function 'void reku(int, int, int)':
oneway.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i=0;i<w[x].Q.size();i+=2)
      |                 ~^~~~~~~~~~~~~~
oneway.cpp: In function 'int reku2(int, int)':
oneway.cpp:43:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i=0;i<w[x].Q2.size();i++)
      |                 ~^~~~~~~~~~~~~~~
oneway.cpp: In function 'void reku3(int, int)':
oneway.cpp:76:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for(int i=0;i<w[x].Q.size();i+=2)
      |                 ~^~~~~~~~~~~~~~
oneway.cpp: In function 'int32_t main()':
oneway.cpp:123:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |     for(int i=0;i<poczatki.size();i++)
      |                 ~^~~~~~~~~~~~~~~~
oneway.cpp:124:13: warning: unused variable 'e' [-Wunused-variable]
  124 |         int e=reku2(poczatki[i],poczatki[i]);
      |             ^

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40