Submission #70786

#	Time	Username	Problem	Language	Result	Execution time	Memory
70786		edisonhello	Crayfish scrivener (IOI12_scrivener)	C++14	Compilation error	0 ms	0 KiB

scrivener

#include<ext/rope>
#define a auto

__gnu_cxx::crope r[1<<20];
int x;

a Init(){}
a TypeLetter(a c){
    ++x;
    r[x]=r[x-1];
    r[x].push_back(c);
}
a UndoCommands(a u){
    ++x;
    r[x]=r[x-u-1];
}
a GetLetter(a p){
    return r[x][p];
}

Compilation message (stderr)

/tmp/ccCQG1mc.o: In function `main':
grader.cpp:(.text.startup+0xef): undefined reference to `TypeLetter(char)'
grader.cpp:(.text.startup+0x14b): undefined reference to `UndoCommands(int)'
grader.cpp:(.text.startup+0x177): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status