Submission #648881

#	Time	Username	Problem	Language	Result	Execution time	Memory
648881		Truitadepatates	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

  int Sol[n];
  bool fet[n];
  for (int i = 0; i < n; i++){
    S[i] = 0;
    D[i] = -1;
    Sol[i] = -1;
    fet[i] = false;
  }
  if (tryCombination(S) == -1){
    for (int i = 0; i < n; i++){
      S[i] = 1;
      D[i] = tryCombination(S);
      S[i] = 0;
    }
  }
  else{
    for (int i = 0; i < n; i++){
      int hola;
      if (tryCombination(S) == i) hola = 1;
      else hola = 0;
      int l = 0, r = n-1;
      while (l < r) {
        int m = (l+r)/2;
        for (int j = 0; j < n; j++) {
          if (fet[j]) Sol[j] = S[j];
          else Sol[j] = 0;
        }
        for (int j = l; j <= m; j++){
          if (not fet[j]){
            Sol[j] = 1;
          }
        } 
        if (hola == 1){
          if (tryCombination(Sol) == i) l = m+1;
          else r = m;
        }
        else{
          if (tryCombination(Sol) == i) r = m;
          else l = m+1;
        }
      }
      S[m] = hola;
      fet[m] = true;
      D[m] = i;
    }
  }
  answer(S, D);
}

Compilation message (stderr)

cave.cpp:1:11: error: 'n' was not declared in this scope
    1 |   int Sol[n];
      |           ^
cave.cpp:2:12: error: 'n' was not declared in this scope
    2 |   bool fet[n];
      |            ^
cave.cpp:3:3: error: expected unqualified-id before 'for'
    3 |   for (int i = 0; i < n; i++){
      |   ^~~
cave.cpp:3:19: error: 'i' does not name a type
    3 |   for (int i = 0; i < n; i++){
      |                   ^
cave.cpp:3:26: error: 'i' does not name a type
    3 |   for (int i = 0; i < n; i++){
      |                          ^
cave.cpp:9:3: error: expected unqualified-id before 'if'
    9 |   if (tryCombination(S) == -1){
      |   ^~
cave.cpp:16:3: error: expected unqualified-id before 'else'
   16 |   else{
      |   ^~~~
cave.cpp:47:9: error: expected constructor, destructor, or type conversion before '(' token
   47 |   answer(S, D);
      |         ^
cave.cpp:48:1: error: expected declaration before '}' token
   48 | }
      | ^