Submission #546360

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
546360	2022-04-07 11:17:58	hoanghq2004	Werewolf (IOI18_werewolf)	C++14	15 / 100	4062 ms	110160 KiB

werewolf

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#include <bits/stdc++.h>
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "werewolf.h"
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 4e5 + 10;
vector <int> g[N];
int a[N];
struct DSU {
    int n, ord[N];
    int in[N], out[N];
    int root[N];
    vector <int> e[N];
    DSU(int _n) {
        n = _n;
        for (int i = 0; i < n; ++i) root[i] = i;
    }
    int Find(int u) {
        return (u == root[u] ? u : root[u] = Find(root[u]));
    }
 
 
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Compilation message (stderr)

werewolf.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization ("O3")
      | 
werewolf.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      | 
werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:77:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   77 |         for (auto [x, i]: QL[u]) node[i][0] = D1.Find(x);
      |                   ^
werewolf.cpp:83:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   83 |         for (auto [x, i]: QR[u]) node[i][1] = D2.Find(x);
      |                   ^

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51