oj.uz

Submission #336026

# Submission time Handle Problem Language Result Execution time Memory
336026 2020-12-14T13:48:03 Z richyrich Stations (IOI20_stations) C++17
5 / 100
 1067 ms 1440 KB 
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int N = 1e4+3;
const int inf = 1e9;
int ans[N], timer;
vector<vector<int>> adj(N);
void dfs(int x, int par) {
    for(int y : adj[x]) {
        if(y==par) continue;
        dfs(y, x);
    }
    ans[x] = timer++;
    return;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    timer = 0;
    for(int i = 0; i < n; i++) {
        adj[i].clear();
        ans[i] = 0;
    }
    for(int i = 0; i < u.size(); i++) {
        adj[u[i]].push_back(v[i]), adj[v[i]].push_back(u[i]);
    }
    for(int i = 0; i < n; i++) {
        if(adj[i].size()==1) {
            dfs(i, -1);
            break;
        }
    }
    std::vector<int> labels(n);
    for(int i = 0; i < n; i++) labels[i] = ans[i];
    return labels;
}

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

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i = 0; i < u.size(); i++) {
      |                    ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 728 ms 1376 KB Output is correct
2 Correct 435 ms 1272 KB Output is correct
3 Correct 866 ms 1120 KB Output is correct
4 Correct 620 ms 1248 KB Output is correct
5 Correct 601 ms 1120 KB Output is correct
6 Correct 534 ms 1248 KB Output is correct
7 Correct 542 ms 1312 KB Output is correct
8 Correct 3 ms 1120 KB Output is correct
9 Correct 5 ms 1120 KB Output is correct
10 Correct 2 ms 1120 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 506 ms 1440 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 538 ms 1248 KB Output is correct
2 Correct 468 ms 1248 KB Output is correct
3 Correct 989 ms 1120 KB Output is correct
4 Correct 640 ms 1248 KB Output is correct
5 Correct 769 ms 1120 KB Output is correct
6 Correct 547 ms 1296 KB Output is correct
7 Correct 544 ms 1292 KB Output is correct
8 Correct 3 ms 1120 KB Output is correct
9 Correct 5 ms 1120 KB Output is correct
10 Correct 2 ms 1120 KB Output is correct
11 Incorrect 621 ms 1120 KB Wrong query response.
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1067 ms 1184 KB Output is correct
2 Correct 793 ms 1248 KB Output is correct
3 Correct 764 ms 1120 KB Output is correct
4 Correct 3 ms 1120 KB Output is correct
5 Correct 4 ms 1128 KB Output is correct
6 Correct 2 ms 1160 KB Output is correct
7 Incorrect 601 ms 1120 KB Wrong query response.
8 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 705 ms 1248 KB Output is correct
2 Correct 535 ms 1376 KB Output is correct
3 Correct 1017 ms 1120 KB Output is correct
4 Correct 724 ms 1128 KB Output is correct
5 Correct 648 ms 1312 KB Output is correct
6 Correct 506 ms 1276 KB Output is correct
7 Correct 453 ms 1284 KB Output is correct
8 Correct 3 ms 1120 KB Output is correct
9 Correct 5 ms 1120 KB Output is correct
10 Correct 2 ms 1120 KB Output is correct
11 Incorrect 498 ms 1336 KB Wrong query response.
12 Halted 0 ms 0 KB -