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Submission #330348

# Submission time Handle Problem Language Result Execution time Memory
330348 2020-11-24T20:49:40 Z marvenlee Stations (IOI20_stations) C++14
5 / 100
 1176 ms 996 KB 
#include "stations.h"
#include <vector>
#include <iostream>
using namespace std;

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    std::vector<int> labels(n);
    vector< vector<int> > graph(n,vector<int>());
    for(int i=0;i<n-1;i++){
        graph[u[i]].push_back(v[i]);
        graph[v[i]].push_back(u[i]);
    }
    int s=0;
    for(int i=0;i<n;i++){
        if(graph[i].size()==1) {s=i;break;}
    }
    int b=s;

    for(int i=0;i<n;i++){
        labels[s]=i;
        //printf("%dst: %d, labels[s]:%d\n",i,s,labels[s]);
        for(auto j=graph[s].begin(); j!=graph[s].end();j++){
            if(*j!=b){
               b=s;
               s=*j;
               break;
            }
        }
    }
    //for(int i=0;i<n-1;i++) cout << labels[i] << " ";
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    if(c.size()==2){
    if(c[0]>c[1]){
        int temp=c[0];
        c[0]=c[1];
        c[1]=temp;
    }
        return (s<t)?c[1]:c[0];
    }
    else return c[0];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 611 ms 792 KB Output is correct
2 Correct 529 ms 884 KB Output is correct
3 Correct 1079 ms 996 KB Output is correct
4 Correct 781 ms 868 KB Output is correct
5 Correct 672 ms 884 KB Output is correct
6 Correct 464 ms 756 KB Output is correct
7 Correct 573 ms 756 KB Output is correct
8 Correct 3 ms 868 KB Output is correct
9 Correct 5 ms 756 KB Output is correct
10 Correct 2 ms 868 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 372 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 670 ms 756 KB Output is correct
2 Correct 577 ms 756 KB Output is correct
3 Correct 1176 ms 756 KB Output is correct
4 Correct 673 ms 868 KB Output is correct
5 Correct 628 ms 996 KB Output is correct
6 Correct 512 ms 792 KB Output is correct
7 Correct 477 ms 904 KB Output is correct
8 Correct 3 ms 756 KB Output is correct
9 Correct 6 ms 736 KB Output is correct
10 Correct 2 ms 736 KB Output is correct
11 Incorrect 1 ms 364 KB Invalid labels (duplicates values). scenario=1, label=0
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1093 ms 868 KB Output is correct
2 Correct 654 ms 740 KB Output is correct
3 Correct 667 ms 756 KB Output is correct
4 Correct 3 ms 736 KB Output is correct
5 Correct 4 ms 736 KB Output is correct
6 Correct 2 ms 876 KB Output is correct
7 Incorrect 1 ms 492 KB Invalid labels (duplicates values). scenario=0, label=0
8 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 660 ms 884 KB Output is correct
2 Correct 555 ms 756 KB Output is correct
3 Correct 1087 ms 756 KB Output is correct
4 Correct 703 ms 868 KB Output is correct
5 Correct 557 ms 868 KB Output is correct
6 Correct 467 ms 736 KB Output is correct
7 Correct 473 ms 924 KB Output is correct
8 Correct 3 ms 736 KB Output is correct
9 Correct 5 ms 876 KB Output is correct
10 Correct 2 ms 736 KB Output is correct
11 Incorrect 5 ms 364 KB Invalid labels (duplicates values). scenario=0, label=0
12 Halted 0 ms 0 KB -