Submission #697441

#	Time	Username	Problem	Language	Result	Execution time	Memory
697441		Deepesson	Cop and Robber (BOI14_coprobber)	C++17	0 / 100	1 ms	464 KiB

coprobber

#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;
}

Compilation message (stderr)

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

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