제출 #487908

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
4879082021-11-17 02:28:25hoanghq2004Klasika (COCI20_klasika)C++14
110 / 110
2474 ms466948 KiB
#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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컴파일 시 표준 에러 (stderr) 메시지

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) {
      |               ^
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