Submission #51970

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
51970	2018-06-22 19:13:26	TadijaSebez	Commuter Pass (JOI18_commuter_pass)	C++11	100 / 100	1352 ms	149040 KiB

commuter_pass

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#include <stdio.h>
#include <vector>
#include <algorithm>
#include <queue>
using namespace std;
#define mp make_pair
#define pb push_back
#define ll long long
const int N=100050;
vector<pair<int,int> > E[N];
vector<int> go[N];
ll dist[N],sol[N][3];
const ll inf=1e18;
bool ok[N];
bool mark[N];
void DFS(int u)
{
  mark[u]=1;
  for(int i=0;i<go[u].size();i++)
  {
    int v=go[u][i];
    if(!mark[v]) DFS(v);
  }
}
void Dijkstra1(int n, int s, int t)
{
  int i;
  for(i=1;i<=n;i++) dist[i]=inf,go[i].clear(),mark[i]=0;
  priority_queue<pair<ll,int> > pq;
  dist[s]=0;
 
 
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Compilation message (stderr)

commuter_pass.cpp: In function 'void DFS(int)':
commuter_pass.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<go[u].size();i++)
              ~^~~~~~~~~~~~~
commuter_pass.cpp: In function 'void Dijkstra1(int, int, int)':
commuter_pass.cpp:38:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<E[u].size();i++)
           ~^~~~~~~~~~~~
commuter_pass.cpp: In function 'long long int Dijkstra2(int, int, int)':
commuter_pass.cpp:75:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(i=0;i<E[u].size();i++)
            ~^~~~~~~~~~~~
commuter_pass.cpp:93:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(i=0;i<go[u].size();i++)
            ~^~~~~~~~~~~~~
commuter_pass.cpp: In function 'int main()':
commuter_pass.cpp:109:16: warning: unused variable 'i' [-Wunused-variable]
  int n,m,u,v,w,i,a,b,s,t;
                ^
commuter_pass.cpp:110:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
commuter_pass.cpp:111:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&s,&t);
  ~~~~~^~~~~~~~~~~~~~~
commuter_pass.cpp:112:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&a,&b);
  ~~~~~^~~~~~~~~~~~~~~
commuter_pass.cpp:113:56: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  while(m--) scanf("%i %i %i",&u,&v,&w),E[u].pb(mp(v,w)),E[v].pb(mp(u,w));
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 16 / 16
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 45 / 45