Submission #52304

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
52304	2018-06-25 08:40:30	evpipis	Commuter Pass (JOI18_commuter_pass)	C++14	100 / 100	1512 ms	70656 KiB

commuter_pass

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<int, int> ii;
const int len = 1e5+5;
const ll inf = 1e16;
int n, m, s1, t1, s2, t2, best[len];
ll dis[5][len];
vector<ii> adj[len];
priority_queue<pair<ll, ii>, vector<pair<ll, ii> >, greater<pair<ll, ii> > > pq;
void dfs(int u){
    //printf("best %d\n", u);
    best[u] = 1;
    for (int j = 0; j < adj[u].size(); j++){
        ii v = adj[u][j];
        if (!best[v.fi] && dis[4][v.fi]+v.se == dis[4][u])
            dfs(v.fi);
    }
}
void path(int s, int hey){
    if (!hey){
        for (int j = 1; j <= n; j++)
 
 
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Compilation message (stderr)

commuter_pass.cpp: In function 'void dfs(int)':
commuter_pass.cpp:21:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int j = 0; j < adj[u].size(); j++){
                     ~~^~~~~~~~~~~~~~~
commuter_pass.cpp: In function 'void path(int, int)':
commuter_pass.cpp:61:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < adj[u].size(); j++){
                         ~~^~~~~~~~~~~~~~~
commuter_pass.cpp: In function 'int main()':
commuter_pass.cpp:89:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d %d %d %d", &n, &m, &s1, &t1, &s2, &t2);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
commuter_pass.cpp:92:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &a, &b, &c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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