Submission #879666

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
879666	2023-11-27 21:34:28	Giselus	Passport (JOI23_passport)	C++17	100 / 100	646 ms	116752 KiB

passport

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#include<cstdio>
#include<algorithm>
#include<vector>
#include<queue>
#include<deque>
#define S 262144
using namespace std;
vector<pair<int,int>> V[4*S]; 
bool vis[4*S][3];
int dist[4*S][3];
void BFS(int x, int t){
    deque<pair<int,int>> q;
    q.push_front({x,0});
    while(!q.empty()){
        int v = q.front().first;
        int d = q.front().second;
        q.pop_front();
        if(vis[v][t])
            continue;
        vis[v][t] = 1;
        dist[v][t] = d;
        for(int i = 0; i < V[v].size(); i++){
            int u = V[v][i].first;
            int d2 = V[v][i].second;
            if(d2 == 0){
                q.push_front({u,d});
            }else{
 
 
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Compilation message (stderr)

passport.cpp: In function 'void BFS(int, int)':
passport.cpp:25:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         for(int i = 0; i < V[v].size(); i++){
      |                        ~~^~~~~~~~~~~~~
passport.cpp: In function 'int main()':
passport.cpp:109:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |     for(int i = 0; i < P.size(); i++){
      |                    ~~^~~~~~~~~~
passport.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
passport.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         scanf("%d %d",&l,&r);
      |         ~~~~~^~~~~~~~~~~~~~~
passport.cpp:118:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  118 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
passport.cpp:121:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  121 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 8 / 8
• Subtask 5: 46 / 46