oj.uz

Submission #306910

# Submission time Handle Problem Language Result Execution time Memory
306910 2020-09-26T14:15:45 Z giorgikob Stations (IOI20_stations) C++14
0 / 100
 1004 ms 1024 KB 
#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
using namespace std;

const int N = 1e3+5;

vector<int>gr[N];

int cnt = 0;
int fix[N];
//int c = 0;

void dfs(int x, vector<int>&v){
    fix[x] = 1;
    for(auto to : gr[x]){
        if(fix[to]) continue;
        dfs(to,v);
    }
    v[x] = cnt; cnt++;
}

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n,0);

	//for(int i = 0; i < n; i ++ ) labels[i] = i;

	for(int i = 0; i < u.size(); i++){
        int x = u[i];
        int y = v[i];
        gr[x].pb(y);
        gr[y].pb(x);
	}
    /*cnt = 0;
	for(int i = 0; i < n; i++){
        if(gr[i].size() == 1){
            dfs(i,labels);
            break;
        }
	}

    */
    cnt = 0;
    dfs(0,labels);

	//if(labels[0] == 0) dfs(0,labels);

	//for(auto x : labels) cout << x <<" "; cout << endl;

	for(int i = 0; i < n; i++) gr[i].clear(), fix[i] = 0;

	return labels;
}

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

    if(s < t) return c[2];
    if(c[0] >= t) return c[0];
	return c[1];
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i = 0; i < u.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 563 ms 772 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 482 ms 1024 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 543 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1004 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 562 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -