Submission #398248

#	Time	Username	Problem	Language	Result	Execution time	Memory
398248		chirathnirodha	Crayfish scrivener (IOI12_scrivener)	C++17	Compilation error	0 ms	0 KiB

scrivener

//Coded by Chirath Nirodha
#include<bits/stdc++.h>
using namespace std;
int seq[1000010];
char s[1000010];
int ss,seqs;
void Init(){
  string x;
  seq[0]=0;
  s[0]=x;
  seqs=ss=1;
}
void TypeLetter(char L) {
  string x=s[seq[seqs-1]];
  x.push_back(L);
  seq[seqs]=ss;seqs++;
  s[ss]=L;ss++;
}
void UndoCommands(int U) {
  seq[seqs]=seq[seqs-1-U];seqs++;
}
char GetLetter(int P) {
  return s[seq[seqs-1]];
}

Compilation message (stderr)

scrivener.cpp: In function 'void Init()':
scrivener.cpp:10:8: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'char' in assignment
   10 |   s[0]=x;
      |        ^
      |        |
      |        std::string {aka std::__cxx11::basic_string<char>}
scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:14:25: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   14 |   string x=s[seq[seqs-1]];
      |            ~~~~~~~~~~~~~^