Submission #47137

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47137	2018-04-27 22:02:44	dqhungdl	Commuter Pass (JOI18_commuter_pass)	C++17	100 / 100	705 ms	156224 KiB

commuter_pass

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int64_t,int64_t> ii;
typedef pair<ii,int64_t> iii;
int64_t n,m,S,T,U,V,res,d[100005],dS[100005],dT[100005],dU[100005],dV[100005],F1[100005],F2[100005];
bool Free[100005];
vector<int64_t> dag[100005];
vector<ii> g[100005];
vector<iii> Edge;
set<ii> s;
void Dijkstra(int64_t start)
{
    for(int64_t i=1; i<=n; i++)
        d[i]=1e15;
    d[start]=0;
    s.insert(ii(0,start));
    while(s.size()>0)
    {
        int64_t u=(*s.begin()).second;
        s.erase(s.begin());
        for(int64_t i=0; i<g[u].size(); i++)
        {
            int64_t v=g[u][i].first;
            int64_t w=g[u][i].second;
            if(d[v]>d[u]+w)
            {
                if(d[v]!=1e15)
                    s.erase(s.find(ii(d[v],v)));
 
 
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Compilation message (stderr)

commuter_pass.cpp: In function 'void Dijkstra(int64_t)':
commuter_pass.cpp:23:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int64_t i=0; i<g[u].size(); i++)
                          ~^~~~~~~~~~~~
commuter_pass.cpp: In function 'void DFS(int64_t)':
commuter_pass.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int64_t i=0; i<dag[u].size(); i++)
                      ~^~~~~~~~~~~~~~
commuter_pass.cpp: In function 'int main()':
commuter_pass.cpp:79:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int64_t i=0; i<Edge.size(); i++)
                      ~^~~~~~~~~~~~

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