Submission #1062311

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062311		kunzaZa183	Flights (JOI22_flights)	C++17	0 / 100	4 ms	1068 KiB

Ali

#include "Ali.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

int variable_example = 0;

vector<vector<int>> adjlist;

} // namespace

void Init(int N, vector<int> U, vector<int> V) {

  for (int i = 0; i < N; i++)
    SetID(i, i);

  adjlist.clear();
  adjlist.resize(N);
  for (int i = 0; i < N - 1; i++) {
    adjlist[U[i]].push_back(V[i]), adjlist[V[i]].push_back(U[i]);
  }
}

string SendA(string S) {

  auto decode = [&](string S) {
    int cur = 0;
    for (auto a : S) {
      cur *= 2;
      cur += a - '0';
    }
    return cur;
  };

  int a = decode(S.substr(0, 10)), b = decode(S.substr(10, 10));

  int ans;
  function<void(int, int, int, int)> dfs = [&](int cur, int par, int len,
                                               int target) {
    if (cur == target) {
      ans = len;
      return;
    }
    for (auto a : adjlist[cur])
      if (a != par)
        dfs(a, cur, len + 1, target);
  };

  dfs(a, a, 0, b);

  auto base2 = [](int cur) {
    string tmp = "";
    for (int i = 0; i < 10; i++) {
      tmp.push_back('0' + cur % 2);
      cur /= 2;
    }
    reverse(tmp.begin(), tmp.end());
    return tmp;
  };

  return base2(ans);
}

Benjamin

#include "Benjamin.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

int variable_example = 0;

} // namespace

string SendB(int N, int X, int Y) {
  auto base2 = [](int cur) {
    string tmp = "";
    for (int i = 0; i < 10; i++) {
      tmp.push_back('0' + cur % 2);
      cur /= 2;
    }
    reverse(tmp.begin(), tmp.end());
    return tmp;
  };
  string s1 = base2(X), s2 = base2(Y);
  return s1 + s2;
}

int Answer(string T) {

  auto decode = [&](string S) {
    int cur = 0;
    for (auto a : S) {
      cur *= 2;
      cur += a - '0';
    }
    return cur;
  };

  return decode(T);
}

Compilation message (stderr)

Ali.cpp:7:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    7 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~
grader_ali.cpp:10:8: warning: '{anonymous}::_randmem' defined but not used [-Wunused-variable]
   10 |   char _randmem[12379];
      |        ^~~~~~~~

Benjamin.cpp:7:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    7 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 85