Submission #195691

#	Time	Username	Problem	Language	Result	Execution time	Memory
195691		FieryPhoenix	Crayfish scrivener (IOI12_scrivener)	C++11	Compilation error	0 ms	0 KiB

scrivener

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <map>
#include <queue>
#include <set>
#include <iomanip>
#include <deque>
#include <cassert>
#include <ctime>
#include <cstring>
#include <cstdlib>
#include <chrono>
#include <ctime>
#include <random>
#include <stack>
#include <unordered_set>
#include <unordered_map>
#include <iterator>
#include <climits>
//#include "scrivener.h"
using namespace std;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
typedef long double ld;
#define INF 2001001001
#define MOD 1000000007
 
int nex;
int length[1000001];
char c[1000001];
vector<int> anc[1000001];
bool started=false;
int log[1000001];

void calcAnc(int ind){
  for (int i=1;i<=log[length[ind]]+1;i++){
    if (anc[ind][i-1]==-1 || i-1>=(int)anc[anc[ind][i-1]].size())
      anc[ind].push_back(-1);
    else
      anc[ind].push_back(anc[anc[ind][i-1]][i-1]);
  }
}
 
void Init(){
  anc[0].push_back(-1);
  for (int i=0;i<20;i++)
    log[1<<i]=i;
  for (int i=1;i<=1000000;i++)
    if (log[i]==0)
      log[i]=log[i-1];
}
 
void TypeLetter(char ch){
  if (!started){
    c[0]=ch;
    length[0]=1;
    nex++;
    started=true;
    return;
  }
  length[nex]=length[nex-1]+1;
  c[nex]=ch;
  anc[nex].push_back(nex-1);
  calcAnc(nex);
  nex++;
}
 
void UndoCommands(int x){
  length[nex]=length[nex-x-1];
  c[nex]=c[nex-x-1];
  anc[nex].push_back(anc[nex-x-1][0]);
  calcAnc(nex);
  nex++;
}
 
char GetLetter(int ind){
  ind=length[nex-1]-1-ind;
  int cur=nex-1;
  for (int i=(int)anc[cur].size()-1;i>=0;i--){
    if (((1<<i)&ind)!=0)
      cur=anc[cur][i];
  }
  return c[cur];
}

Compilation message (stderr)

scrivener.cpp:37:16: error: 'int log [1000001]' redeclared as different kind of symbol
 int log[1000001];
                ^
In file included from /usr/include/features.h:367:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/c++config.h:533,
                 from /usr/include/c++/7/iostream:38,
                 from scrivener.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:109:1: note: previous declaration 'double log(double)'
 __MATHCALL_VEC (log,, (_Mdouble_ __x));
 ^
scrivener.cpp: In function 'void calcAnc(int)':
scrivener.cpp:40:34: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   for (int i=1;i<=log[length[ind]]+1;i++){
                                  ^
scrivener.cpp: In function 'void Init()':
scrivener.cpp:51:13: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     log[1<<i]=i;
             ^
scrivener.cpp:53:14: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     if (log[i]==0)
              ^
scrivener.cpp:54:12: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
       log[i]=log[i-1];
            ^
scrivener.cpp:54:21: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
       log[i]=log[i-1];
                     ^