oj.uz

Submission #958775

# Submission time Handle Problem Language Result Execution time Memory
958775 2024-04-06T15:06:44 Z teo_thrash Cop and Robber (BOI14_coprobber) C++14
16 / 100
 182 ms 262144 KB 
#include "coprobber.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;

typedef long long ll;


vector<int> nbrs[MAX_N];
bool put[MAX_N][MAX_N]; ///i into j

int curr=0;

int start(int N, bool A[MAX_N][MAX_N]){
    for(int i=0; i<N; i++){
        for(int j=0; j<N; j++){
            if(A[i][j]){
                if(!put[j][i]){
                    nbrs[i].pb(j);
                    put[j][i]=true;
                }

                if(!put[i][j]){
                    nbrs[j].pb(i);
                    put[i][j]=true;
                }
            }
        }
    }

    return 0;
}

int dfs(int x, int y, int to){
    if(x==to) return 0;

    for(auto u: nbrs[x]){
        if(u==y) continue;

        int nas = dfs(u, x, to);

        if(nas!=-1){
            return 1+nas;
        }
    }

    return -1;
}

int nextMove(int R){
    int dist = dfs(curr, -1, R);

    for(auto u: nbrs[curr]){
        if(dfs(u, -1, R)==dist-1){
            return curr=u;
        }
    }

    return 0;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 36 ms 2068 KB Output is correct
5 Correct 8 ms 1064 KB Output is correct
6 Correct 31 ms 1892 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Runtime error 178 ms 262144 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Runtime error 182 ms 262144 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 36 ms 2068 KB Output is correct
5 Correct 8 ms 1064 KB Output is correct
6 Correct 31 ms 1892 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Runtime error 178 ms 262144 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -