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Submission #306110

# Submission time Handle Problem Language Result Execution time Memory
306110 2020-09-24T14:20:58 Z SorahISA Stations (IOI20_stations) C++17
8 / 100
 1047 ms 1012 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

using pii = pair<int, int>;
template<typename T>
using Prior = priority_queue<T>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;

#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<int> lab(n);
    
    iota(ALL(lab), 1);
    
	return lab;
}

int find_next_station(int s, int t, vector<int> c) {
    if (s > t or s != (t >> __lg(t) - __lg(s))) return s / 2;
    return c[((t >> __lg(t) - __lg(s) - 1) & 1) + (s != 1)];
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:26:37: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   26 |     if (s > t or s != (t >> __lg(t) - __lg(s))) return s / 2;
      |                             ~~~~~~~~^~~~~~~~~
stations.cpp:27:39: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   27 |     return c[((t >> __lg(t) - __lg(s) - 1) & 1) + (s != 1)];
      |                     ~~~~~~~~~~~~~~~~~~^~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 573 ms 880 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 477 ms 768 KB Output is correct
2 Correct 564 ms 1012 KB Output is correct
3 Correct 1023 ms 760 KB Output is correct
4 Correct 715 ms 772 KB Output is correct
5 Correct 643 ms 640 KB Output is correct
6 Correct 543 ms 884 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 551 ms 760 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1047 ms 768 KB Output is correct
2 Incorrect 656 ms 640 KB Wrong query response.
3 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 721 ms 868 KB Wrong query response.
2 Halted 0 ms 0 KB -