Submission #70808

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70808	2018-08-23 13:19:44	3zp	Commuter Pass (JOI18_commuter_pass)	C++14	0 / 100	891 ms	20760 KiB

commuter_pass

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#include<bits/stdc++.h>
#define mn 100009
#define pb push_back
using namespace std;
long  long n, m, S, T, U, V;
long  long f[mn];
vector<int> v[mn], l[mn];
void Dij(long  long  k, long  long  *D){
    priority_queue<pair<int,int> > q;
    q.push({0,k});
    for(long  long  i = 1; i <= n; i++)
        D[i] = 1e18, f[i] = 0;
    D[k] = 0;
    while(q.size()){
        long  long  x = q.top().second;
        q.pop();
        if(f[x]) continue;
        f[x] = 1;
        for(long long i = 0; i < v[x].size(); i++){
            if(f[v[x][i]] == 0 &&
               D[v[x][i]] > D[x] + l[x][i]){
                    D[v[x][i]] = D[x] + l[x][i];
                    q.push({-D[v[x][i]], v[x][i]});
               }
        }
    }
}
long long  du[mn], dv[mn], ds[mn], dt[mn], mindu[mn], mindv[mn];
void specDIJ(){
    priority_queue<pair<int,int> > q;
 
 
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Compilation message (stderr)

commuter_pass.cpp: In function 'void Dij(long long int, long long int*)':
commuter_pass.cpp:19:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(long long i = 0; i < v[x].size(); i++){
                              ~~^~~~~~~~~~~~~
commuter_pass.cpp: In function 'void specDIJ()':
commuter_pass.cpp:40:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(long long i = 0; i < v[x].size(); i++){
                              ~~^~~~~~~~~~~~~
commuter_pass.cpp: At global scope:
commuter_pass.cpp:55:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

• Subtask 1: 0 / 16
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 45