제출 #697441

#제출 시각아이디문제언어결과실행 시간메모리
697441Deepesson경찰관과 강도 (BOI14_coprobber)C++17
0 / 100
1 ms464 KiB
#include <bits/stdc++.h>

using namespace std;

#define MAX_N 500

// modify the following functions
// you can define global variables and functions
std::vector<int> con[MAX_N];
int start(int N, bool A[MAX_N][MAX_N]) {
    int count=0;
    for(int i=0;i!=N;++i){
        for(int j=0;j!=N;++j){
            if(i==j)continue;
            if(A[i][j])
            con[i].push_back(j);
        }
    }
    return 0;
}
int obj=0;
int dfs(int pos,int prev=-1){
    if(pos==obj){
        return pos;
    }
    for(auto&x:con[pos]){
        if(x==prev)continue;
        if(dfs(x,pos)){
            return x;
        }
    }
    return -1;
}
int atual=0,previi=-1;
int nextMove(int R) {
    obj=R;
    int strat = dfs(atual,previi);
    assert(strat!=-1);
    previi=atual;
    return atual=strat;
}

컴파일 시 표준 에러 (stderr) 메시지

coprobber.cpp: In function 'int start(int, bool (*)[500])':
coprobber.cpp:11:9: warning: unused variable 'count' [-Wunused-variable]
   11 |     int count=0;
      |         ^~~~~
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