Submission #484919

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
484919	2021-11-05 17:57:06	blue	Floppy (RMI20_floppy)	C++17	100 / 100	172 ms	30184 KiB

floppy

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <stdlib.h>
#include <string.h>
#include "floppy.h"
#include <vector>
#include <iostream>
#include <queue>
#include <stack>
using namespace std;
using vi = vector<int>;
using vvi = vector<vi>;
const int INF = 1'000'000'001;
const int maxN = 40'000;
const int logN = 16;
vi V(maxN+1, INF);
vi lft(maxN, maxN);
vi rgt(maxN, maxN);
vi parent(maxN, maxN);
vvi children(maxN);
string ans;
void dfs(int u)
{
    if(children[u].empty())
    {
        ans.push_back('0');
        ans.push_back('0');
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

floppy.cpp: In function 'void solve_dfs(int)':
floppy.cpp:132:9: warning: unused variable 'd1' [-Wunused-variable]
  132 |     int d1 = d;
      |         ^~
floppy.cpp: In function 'void read_array(int, const std::vector<int>&)':
floppy.cpp:95:8: warning: 'rt' may be used uninitialized in this function [-Wmaybe-uninitialized]
   95 |     dfs(rt);
      |     ~~~^~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  101 |     if (query_answers.size() != M) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 7 / 7
• Subtask 2: 21 / 21
• Subtask 3: 72 / 72