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Submission #697447

# Submission time Handle Problem Language Result Execution time Memory
697447 2023-02-09T20:04:42 Z Deepesson Cop and Robber (BOI14_coprobber) C++17
16 / 100
 50 ms 1664 KB 
#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);
                ++count;
            }
        }
    }
    if(count==2*(N-1))return 0;
    return -1;
}
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 0;
}
int atual=0,previi=-1;
int nextMove(int R) {
    obj=R;
    int strat = dfs(atual);
    previi=atual;
    return atual=strat;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 50 ms 1664 KB Output is correct
5 Correct 13 ms 844 KB Output is correct
6 Correct 50 ms 1552 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Cop can catch the robber, but start() returned -1
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Incorrect 1 ms 208 KB Cop can catch the robber, but start() returned -1
5 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 50 ms 1664 KB Output is correct
5 Correct 13 ms 844 KB Output is correct
6 Correct 50 ms 1552 KB Output is correct
7 Incorrect 1 ms 208 KB Cop can catch the robber, but start() returned -1
8 Halted 0 ms 0 KB -