Submission #1264212

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264212		DeltaStruct	열대 식물원 (Tropical Garden) (IOI11_garden)	C++20	Compilation error	0 ms	0 KiB

garden

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

vector S(1,vector<int>(20,0)); vector<char> C(1,'@');

void Init(){}
void TypeLetter(char c){
  S.emplace_back(20,S.size()-1);
  while(C[S.back()[0]]=='_') S.back()[0] = S[S.back()[0]][0];
  for (int i(1);i < 20;++i) S.back()[i] = S[S.back()[i-1]][i-1];
  C.emplace_back(c);
}
void UndoCommands(int x){
  S.emplace_back(20,S.size()-1-x);
  while(C[S.back()[0]]=='_') S.back()[0] = S[S.back()[0]][0];
  for (int i(1);i < 20;++i) S.back()[i] = S[S.back()[i-1]][i-1];
  C.emplace_back('_');
}
char GetLetter(int x){
  int n = 0,m = S.size()-1; for (int i(19);i > -1;--i) if (C[S[m][i]]!='@') m = S[m][i],n |= 1<<i;
  m = S.size()-1; for (int i(0);i < 20;++i) if (((n-x)>>i)&1) m = S[m][i];
  return C[m];
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccCgj09B.o: in function `main':
grader.cpp:(.text.startup+0x3f): undefined reference to `count_routes(int, int, int, int (*) [2], int, int*)'
collect2: error: ld returned 1 exit status