Submission #1101247

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1101247	2024-10-15 22:18:56	nightwing_808	XOR (IZhO12_xor)	C++17	100 / 100	97 ms	47428 KiB

xor

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#include <bits/stdc++.h>
#define fastread() ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
#define nl "\n"
#define ll long long
#define all(x) x.begin(), x.end()
#define ff first
#define ss second
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N=3e6+7,M=1e9+7;
const double pi=acos(-1.0);
struct vertex
{
  int flag,child[2],idx;
  vertex()
  {
    flag=0;
    idx=M;
    for (int i=0;i<2;i++) child[i]=-1;
  }
};
vertex Trie[N];
int avail=1;
void insert(int cur,int i,int num,int id)
{
  if (i<0)
 
 
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Compilation message (stderr)

xor.cpp: In function 'int query(int, int)':
xor.cpp:57:10: warning: variable 'f' set but not used [-Wunused-but-set-variable]
   57 |     bool f=0;
      |          ^
xor.cpp:90:10: warning: variable 'f' set but not used [-Wunused-but-set-variable]
   90 |     bool f=0;
      |          ^
xor.cpp: In function 'int main()':
xor.cpp:112:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  112 |   freopen("input.in","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
xor.cpp:113:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  113 |   freopen("output.out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100