Submission #487908

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
487908	2021-11-17 02:28:25	hoanghq2004	Klasika (COCI20_klasika)	C++14	110 / 110	2474 ms	466948 KiB

klasika

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#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
const int Nmax = 2e5 + 10;
int sz;
struct node {
    int to[2];
    set <int> s;
};
vector <node> trie;
void add(int x, int ti) {
    int u = 0;
    for (int i = 29; i >= 0; --i) {
        if (!trie[u].to[x >> i & 1]) {
            trie.push_back(node());
            trie[u].to[x >> i & 1] = trie.size() - 1;
        }
        u = trie[u].to[x >> i & 1];
        trie[u].s.insert(ti);
    }
}
int get(int x, int L, int R) {
    int u = 0;
 
 
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Compilation message (stderr)

klasika.cpp: In function 'int get(int, int, int)':
klasika.cpp:33:44: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   33 |         auto iter = trie[trie[u].to[x >> i & 1 ^ 1]].s.lower_bound(L);
      |                                     ~~~~~~~^~~
klasika.cpp:34:44: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   34 |         if (iter == trie[trie[u].to[x >> i & 1 ^ 1]].s.end() || *iter > R) u = trie[u].to[x >> i & 1];
      |                                     ~~~~~~~^~~
klasika.cpp:35:53: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   35 |         else ans += (1 << i), u = trie[u].to[x >> i & 1 ^ 1];
      |                                              ~~~~~~~^~~
klasika.cpp: In function 'void dfs(int)':
klasika.cpp:46:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   46 |     for (auto [v, w]: e[u]) {
      |               ^
klasika.cpp: In function 'int main()':
klasika.cpp:69:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   69 |     for (auto [s, x, y]: queries) {
      |               ^

• Subtask 1: 11 / 11
• Subtask 2: 22 / 22
• Subtask 3: 33 / 33
• Subtask 4: 44 / 44