Submission #398889

#	Time	Username	Problem	Language	Result	Execution time	Memory
398889		Mohammed_Alsaad	Cop and Robber (BOI14_coprobber)	C++17	16 / 100	158 ms	262148 KiB

coprobber

#include <bits/stdc++.h>
using namespace std;

template <typename A, typename B> string to_string(pair<A, B> p);
template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p);

string to_string(const string &s)
{
    return '"' + s + '"';
}
string to_string(const char *s)
{
    return to_string((string)s);
}
string to_string(bool b)
{
    return (b ? "true" : "false");
}
// string to_string(vector<bool> v)
// {
//     bool first = true;
//     string res = "{";
//     for (int i = 0; i < static_cast<int>(v.size()); i++)
//     {
//         if (!first)
//         {
//             res += ", ";
//         }
//         first = false;
//         res += to_string(v[i]);
//     }
//     res += "}";
//     return res;
// }
template <size_t N> string to_string(bitset<N> v)
{
    string res = "";
    for (size_t i = 0; i < N; i++)
    {
        res += static_cast<char>('0' + v[i]);
    }
    return res;
}
template <typename A> string to_string(A v)
{
    bool first = true;
    string res = "{";
    for (const auto &x : v)
    {
        if (!first)
        {
            res += ", ";
        }
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}
template <typename A, typename B> string to_string(pair<A, B> p)
{
    return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p)
{
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}
template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p)
{
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " +
           to_string(get<3>(p)) + ")";
}
void dbg_out()
{
    cout << endl;
}
template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T)
{
    cout << " " << to_string(H);
    dbg_out(T...);
}

#define FAST_IO                                                                                                        \
    ios_base::sync_with_stdio(false);                                                                                  \
    cin.tie(NULL);                                                                                                     \
    cout.tie(NULL);

#define dbg(...) cout << "[" << #__VA_ARGS__ << "]:", dbg_out(__VA_ARGS__)
#define edl() cout << endl;

#define rep(i, a, b) for (int i = a; i < b; i++)

#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
#define pf push_front

#define F first
#define S second

#define max_self(x, y) x = max(x, y)
#define min_self(x, y) x = min(x, y)

typedef long long ll;
ll const INF = 2147483647, R_INF = 9223372036854775807, MOD = 1e9 + 7;

// const int mxN =

const int MAX_N = 500;

vector<int> adj[MAX_N];

int r, cur;

bool dfs(int cur, int par)
{
    bool ans = cur == r;
    for (int u : adj[cur])
        if (u != par)
            ans |= dfs(u, cur);
    return ans;
}

int start(int N, bool A[MAX_N][MAX_N])
{
    rep(i, 0, MAX_N) rep(j, 0, MAX_N) if (A[i][j]) adj[i].pb(j);
    return 0;
}

int nextMove(int R)
{
    r = R;
    for (int u : adj[cur])
        if (dfs(u, cur))
            return cur = u;
}

/*



*/

Compilation message (stderr)

coprobber.cpp: In function 'int nextMove(int)':
coprobber.cpp:137:1: warning: control reaches end of non-void function [-Wreturn-type]
  137 | }
      | ^

• Subtask 1: 16 / 16
• Subtask 2: 0 / 14
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40