Submission #1206997

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206997		friendiks	Permutation Game (APIO25_permgame)	C++20	0 / 100	0 ms	328 KiB

permgame

#ifndef LOCAL
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC diagnostic ignored "-Wpedantic"
#endif

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

auto seed = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rnd(52);
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename V>
using table = gp_hash_table<T, V>;

using i128 = __int128;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;

const ll INF = 2e18;
const int inf = 2e9;
const int maxn = 1e5;
const int MOD = 988244353;
const ld pi = acos(-1);
const int P = 5167;
const int L = 26;
const ld EPS = 1e-7;

template<typename T, typename V>
void fill(T &container, V value) {
    for (auto &c: container)
        c = value;
}


int Bob(vector<int> t);


int Alice(int m, int e, vector<int> u, vector<int> v, int n, vector<int> p) {
    vector<int> pos(n);
    for (int i = 0; i < n; ++i) {
        pos[p[i]] = i;
    }
    for (int i = 0; i < n; ++i) {
        if (p[i] == i) {
            continue;
        }
        int current_idx_of_value_i = pos[i];
        vector<int> t_for_bob(m); // m == 2
        t_for_bob[0] = i;
        t_for_bob[1] = current_idx_of_value_i;

        Bob(t_for_bob);

        int val_at_i = p[i];
        int val_at_current_idx = p[current_idx_of_value_i];

        swap(p[i], p[current_idx_of_value_i]);

        pos[val_at_i] = current_idx_of_value_i;
        pos[val_at_current_idx] = i;
    }
}

Compilation message (stderr)

permgame.cpp: In function 'int Alice(int, int, std::vector<int>, std::vector<int>, int, std::vector<int>)':
permgame.cpp:70:1: warning: no return statement in function returning non-void [-Wreturn-type]
   70 | }
      | ^

• Subtask 0: 0 / 0
• Subtask 1: 0 / 6
• Subtask 2: 0 / 6
• Subtask 3: 0 / 10
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24
• Subtask 6: 0 / 30