oj.uz

Submission #41360

# Submission time Handle Problem Language Result Execution time Memory
41360 2018-02-16T19:29:05 Z gabrielsimoes Cop and Robber (BOI14_coprobber) C++14
16 / 100
 232 ms 262144 KB 
#include "coprobber.h"
#include <vector>

int pre[MAX_N], pos[MAX_N], t = 0;
int prev[MAX_N];
std::vector<int> g[MAX_N];

void dfs(int cur) {
  pre[cur] = t++;
  for (int nx : g[cur]) {
    if (nx != prev[cur]) {
      prev[nx] = cur;
      dfs(nx);
    }
  }
  pos[cur] = t++;
}

int start(int N, bool A[MAX_N][MAX_N]) {
  for (int i = 0; i < N; i++) {
    for (int k = 0; k < N; k++) {
      if (A[i][k]) {
        g[i].push_back(k);
      }
    }
  }

  dfs(0);
  return 0;
}

int x = 0;
int nextMove(int R) {
  for (int nx : g[x]) {
    if (nx != prev[x]) {
      if (pre[nx] <= pre[R] && pos[nx] >= pos[R]) {
        return x = nx;
      }
    }
  }

  return x;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 43 ms 1804 KB Output is correct
5 Correct 12 ms 1024 KB Output is correct
6 Correct 44 ms 1656 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 222 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Runtime error 232 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 284 KB Output is correct
4 Correct 43 ms 1756 KB Output is correct
5 Correct 12 ms 1024 KB Output is correct
6 Correct 43 ms 1656 KB Output is correct
7 Runtime error 222 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Halted 0 ms 0 KB -