제출 #961744

#제출 시각아이디문제언어결과실행 시간메모리
961744Sharky길고양이 (JOI20_stray)C++17
4 / 100
377 ms524288 KiB
#include "Anthony.h"
#include <bits/stdc++.h>
using namespace std;

namespace ivan {
    vector<vector<pair<int, int>>> adj;
    vector<int> dist, c;
    void dfs(int u, int p) {
        for (auto& [v, id] : adj[u]) if (v != p) {
            dist[v] = (dist[u] + 1) % 3;
            c[id] = dist[v];
            dfs(v, u);
        }
    }
};

using namespace ivan;

vector<int> Mark(int n, int m, int a, int b,
                      vector<int> u, vector<int> v) {
    vector<int> x(m);
    adj.resize(n);
    c.resize(m);
    dist.assign(n, 0);
    for (int i = 0; i < m; i++) {
        adj[u[i]].push_back({v[i], i});
        adj[v[i]].push_back({u[i], i});
    }
    dfs(0, -1);
    return c;
}
#include "Catherine.h"
#include <bits/stdc++.h>
using namespace std;

namespace ivan {
    int a, b;
};

using namespace ivan;

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

int Move(vector<int> cnt) {
    set<int> hv;
    for (int i = 0; i < a; i++) if (cnt[i]) hv.insert(i);
    if ((int) hv.size() == 1) return *hv.begin();
    if (!hv.count(1)) return 2;
    if (!hv.count(2)) return 0;
    if (!hv.count(0)) return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:16:14: warning: control reaches end of non-void function [-Wreturn-type]
   16 |     set<int> hv;
      |              ^~
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