Submission #766547

#	Time	Username	Problem	Language	Result	Execution time	Memory
766547		Ahmed57	Crayfish scrivener (IOI12_scrivener)	C++17	Compilation error	0 ms	0 KiB

scrivener

#include <bits/stdc++.h>
using namespace std;
void init(){
    return ;
}
int sz[1000001],chr[1000001];
int P[1000001][20];
int ind = 1;
void TypeLetter(char c){
    sz[ind] = sz[ind-1]+1;
    chr[ind] = (c-'a');
    P[ind][0] = ind-1;
    for(int i = 1;i<20;i++){
        P[ind][i] = P[P[ind][i-1]][i-1];
    }
    ind++;
}
void UndoCommands(int u){
    int lol = ind-(u+1);
    sz[ind] = sz[lol];
    chr[ind] = chr[lol];
    for(int i = 0;i<20;i++){
        P[ind][i] = P[lol][i];
    }
}
char GetLetter(int p){
    int xd = sz[ind-1]-(p+1);
    int cur = ind-1;
    for(int i = 19;i>=0;i--){
        if(xd>=(1<<i)){
            cur = P[cur][i];
            xd-=(1<<i);
        }
    }
    return char(chr[cur]+'a');
}/*
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    init();
    TypeLetter('a');
    TypeLetter('b');
    cout<<GetLetter(1);
    return 0;
}
*/

Compilation message (stderr)

/usr/bin/ld: /tmp/cc4Aco2J.o: in function `main':
grader.cpp:(.text.startup+0x63): undefined reference to `Init()'
collect2: error: ld returned 1 exit status