oj.uz

Submission #385687

# Submission time Handle Problem Language Result Execution time Memory
385687 2021-04-04T17:56:06 Z Ahmadsm2005 Stations (IOI20_stations) C++14
0 / 100
 1005 ms 884 KB 
#include<bits/stdc++.h>
#include "stations.h"
using namespace std;
int C;
vector<vector<int>>edges;
vector<int>labels;
void DFS(int v,int u=-1){
for(int i=0;i<edges[v].size();i++){
C+=1001;
if(edges[v][i]!=u)
DFS(edges[v][i],v);
C-=1001;
C++;
}
C--;
labels[v]=100000000-C;
}
vector<int>label(int n,int k,vector<int>u,vector<int>v){
labels.clear();
labels.resize(n);
edges.resize(n);
for(int i=0;i<u.size();i++){
edges[u[i]].push_back(v[i]),edges[v[i]].push_back(u[i]);
}
DFS(0);
C=0;
edges.clear();
return labels;
}
int find_next_station(int s, int t,vector<int>c){
if((s/1001)<(t/1001))
return c.back();
for(int i=0;i<c.size();i++){
if(c[i]%1001>=t%1001)
return c[i];
}
return c.back();
}

Compilation message

stations.cpp: In function 'void DFS(int, int)':
stations.cpp:8:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | for(int i=0;i<edges[v].size();i++){
      |             ~^~~~~~~~~~~~~~~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:22:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 | for(int i=0;i<u.size();i++){
      |             ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:33:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 | for(int i=0;i<c.size();i++){
      |             ~^~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 644 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=99999992
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 476 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=99999006
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 492 KB Invalid labels (values out of range). scenario=0, k=1000000, vertex=0, label=100000000
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1005 ms 756 KB Output is correct
2 Correct 855 ms 768 KB Output is correct
3 Incorrect 645 ms 756 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 610 ms 884 KB Wrong query response.
2 Halted 0 ms 0 KB -