Submission #400811

# Submission time Handle Problem Language Result Execution time Memory
400811 2021-05-08T17:50:18 Z 12tqian Stray Cat (JOI20_stray) C++17
Compilation error
0 ms 0 KB
#include "Anthony.h"
#include <bits/stdc++.h>

using namespace std;

#define f1r(i, a, b) for (int i = a; i < b; ++i)
#define f0r(i, a) f1r(i, 0, a)
#define each(t, a) for (auto& t : a)

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define f first
#define s second

using vi = vector<int>;
using pi = pair<int, int>;
using vpi = vector<pi>;
using ll = long long;

// 0 -> 1 -> 2

vi Mark(int n, int m, int a, int b, vi U, vi V) {
    vector<vi> g(n);
    auto cp = [&](int u, int v) -> pi {
        if (u > v) swap(u, v);
        return mp(u, v);
    };
    map<pi, int> conv;
    vpi ed;
    vi res(m);
    f0r(i, m) {
        int u = U[i];
        int v = V[i];
        conv[cp(u, v)] = i;
        g[u].pb(v);
        g[v].pb(u);
        ed.pb(cp(u, v));
    }
    if (a >= 3) { // bfs work
        vi dist(n, -1);
        list<int> que;
        dist[0] = 0;
        que.pb(0);
        while (!que.empty()) {
            int u = que.front();
            que.pop_front();
            each(v, g[u]) {
                if (dist[v] != -1) continue;
                dist[v] = dist[u] + 1;
                que.push_back(v);
            }
        }
        each(e, ed) {
            int u = e.f;
            int v = e.s;
            int id = conv[cp(u, v)];
            if (dist[u] == dist[v]) {
                res[id] = dist[u] % 3;
            } else {
                if (dist[u] > dist[v]) {
                    swap(u, v);
                }
                res[id] = dist[u] % 3;
            }
        }
    } else {
        // do nothing for now
    }
    return res;
}

#include "Catherine.h"
#include <bits/stdc++.h>

using namespace std;

#define f1r(i, a, b) for (int i = a; i < b; ++i)
#define f0r(i, a) f1r(i, 0, a)
#define each(t, a) for (auto& t : a)

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define f first
#define s second

using vi = vector<int>;
using pi = pair<int, int>;
using vpi = vector<pi>;
using ll = long long;
namespace {

int a, b;

}  // namespace

void Init(int A, int B) {
    ::a = A;
    ::b = B;
}

int MoveT(vi& y) { // fails right now
    return -1;
}

int MoveG(vi& v) {
    int a0 = y[0];
    int a1 = y[1];
    int a2 = y[2];
    if (a0 && a1) {
        return 0;
    } else if (a1 && a2) {
        return 1;
    } else if (a2 && a0) {
        return 2;
    } else if (a0) {
        return 0;
    } else if (a1) {
        return 1;
    } else if (a2) {
        return 2;
    }
    return -1;
}

int Move(vi y) {
    if (a >= 3) {
        return MoveG(y);
    } else {
        return MoveT(y);
    }
}

Compilation message

Catherine.cpp: In function 'int MoveG(vi&)':
Catherine.cpp:36:14: error: 'y' was not declared in this scope
   36 |     int a0 = y[0];
      |              ^