Submission #306866

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
306866	2020-09-26 11:58:34	Ruxandra985	Stations (IOI20_stations)	C++14	100 / 100	1041 ms	1280 KiB

stations

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#include <bits/stdc++.h>
#include "stations.h"
#define DIMN 1010
using namespace std;
int poz;
int lab[DIMN] , last[DIMN] , niv[DIMN];
vector <int> ww[DIMN];
void dfs (int nod , int tt , int lvl){
    int i , vecin;
    //printf ("%d ", nod);
    if (lvl % 2 == 0)
        poz++;
    lab[nod] = poz;
    niv[nod] = lvl;
    for (i = 0 ; i < ww[nod].size() ; i++){
        vecin = ww[nod][i];
        if (vecin != tt){
            dfs (vecin , nod , lvl + 1);
        }
    }
    if (lvl % 2 == 1)
        poz++;
 
 
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Compilation message (stderr)

stations.cpp: In function 'void dfs(int, int, int)':
stations.cpp:21:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for (i = 0 ; i < ww[nod].size() ; i++){
      |                  ~~^~~~~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:69:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |         for (i = 0 ; i <= c.size() - 1 ; i++){
      |                      ~~^~~~~~~~~~~~~~~
stations.cpp:84:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |             for (i = 0 ; i <= c.size() - 2 ; i++){
      |                          ~~^~~~~~~~~~~~~~~
stations.cpp:95:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |             for (i = 1 ; i < c.size() - 1 ; i++){
      |                          ~~^~~~~~~~~~~~~~

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