제출 #1072526

#제출 시각아이디문제언어결과실행 시간메모리
1072526ortsac경찰관과 강도 (BOI14_coprobber)C++17
0 / 100
1 ms4440 KiB
#include <bits/stdc++.h>
#include "coprobber.h"

using namespace std;

struct Po {
    int c, r, t;
};

Po getPo(int i, int j, int k) {
    Po ans;
    ans.c = i;
    ans.r = j;
    ans.t = k;
    return ans;
}

bool adj[MAX_N][MAX_N];
bool dp[MAX_N][MAX_N][2];
bool vis[MAX_N][MAX_N][2];
int rem[MAX_N][MAX_N][2];
int n;
int atual;

int start(int N, bool A[MAX_N][MAX_N]) {
    #pragma region Set values
    n = N;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            adj[i][j] = A[i][j];
            for (int k = 0; k < n; k++) {
                rem[k][i][1]++;
                rem[i][k][0]++;
            }
        }
    }
    #pragma endregion
    queue<Po> process;
    for (int i = 0; i < n; i++) {
        dp[i][i][0] = dp[i][i][1] = 1;
        vis[i][i][0] = vis[i][i][1] = 1;
        process.push(getPo(i, i, 0));
        process.push(getPo(i, i, 1));
    }
    while (!process.empty()) {
        auto u = process.front();
        process.pop();
        if (u.t) {
            // robbers turn
            for (int i = 0; i < n; i++) {
                if (!adj[u.c][i] || vis[i][u.r][0]) continue;
                if (dp[u.c][u.r][1]) {
                    dp[i][u.r][0] = 1;
                    vis[i][u.r][0] = 1;
                    process.push(getPo(i, u.r, 0));
                } else {
                    rem[i][u.r][0]--;
                    if (rem[i][u.r][0] == 0) {
                        dp[i][u.r][0] = 0;
                        vis[i][u.r][0] = 1;
                        process.push(getPo(i, u.r, 0));
                    } 
                }
            }
        } else {
            // cops turn
            for (int i = 0; i < n; i++) {
                if (!adj[u.r][i] || vis[u.c][i][1]) continue;
                if (dp[u.c][u.r][0]) {
                    rem[u.c][i][1]--;
                    if (rem[u.c][i][1] == 0) {
                        dp[u.c][i][1] = 1;
                        vis[u.c][i][1] = 1;
                        process.push(getPo(u.c, i, 1));
                    }
                } else {
                    dp[u.c][i][1] = 0;
                    vis[u.c][i][1] = 1;
                    process.push(getPo(u.c, i, 1));
                }
            }
        }
    }
    for (int i = 0; i < n; i++) {
        bool ok = 1;
        for (int j = 0; j < n; j++) ok = (ok && dp[i][j][0]);
        if (ok) {
            return (atual = i);
        }
    }
    return -1;
}

int nextMove(int R) {
    for (int i = 0; i < n; i++) {
        if (!adj[atual][i]) continue;
        if (dp[i][R][0]) return (atual = i);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

coprobber.cpp:26: warning: ignoring '#pragma region Set' [-Wunknown-pragmas]
   26 |     #pragma region Set values
      | 
coprobber.cpp:37: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
   37 |     #pragma endregion
      | 
coprobber.cpp: In function 'int nextMove(int)':
coprobber.cpp:99:1: warning: control reaches end of non-void function [-Wreturn-type]
   99 | }
      | ^
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