Submission #335569

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
335569	2020-12-13 07:02:33	inwbear	Stations (IOI20_stations)	C++14	100 / 100	1134 ms	1292 KiB

stations

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#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define MEM(x,a) memset((x),a,sizeof((x)))
#define F first
#define S second
#define imx INT_MAX
const long long MMX = (long long)(1e18);
typedef long long LL;
typedef pair<int,int> pii;
int nn,co[1005];
bitset<1005>go;
vector<int>v[1005];
void dfs(int N,int h)
{
  go[N]=true;
  if(h%2==0)
  {
    co[N]=nn;
    nn++;
  }
  for(int i=0;i<v[N].size();i++)
  {
    if(!go[v[N][i]])
    {
      dfs(v[N][i],h+1);
    }
 
 
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Compilation message (stderr)

stations.cpp: In function 'void dfs(int, int)':
stations.cpp:25:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  for(int i=0;i<v[N].size();i++)
      |              ~^~~~~~~~~~~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:45:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for(int i=0;i<a.size();i++)
      |              ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:59:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for(int i=0;i<c.size();i++)
      |              ~^~~~~~~~~
stations.cpp:57:17: warning: 'repr' may be used uninitialized in this function [-Wmaybe-uninitialized]
   57 |  int st,ed,rech,repr,mxpr=0,mnch=imx;
      |                 ^~~~

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