Submission #666885

#	Time	Username	Problem	Language	Result	Execution time	Memory
666885		teesla	Crayfish scrivener (IOI12_scrivener)	C++14	12 / 100	1092 ms	1176 KiB

scrivener

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

char last;
string s;

void Init() {
  s="";
  return;
}

void TypeLetter(char L) {

  last = L;
  s=s+last;
  return;

}

void UndoCommands(int U) {
  string prov="";

  for(int i=0; i<s.size()-U; i++){
    prov=prov+s[i];
  }
  s=prov;
  return;
}

char GetLetter(int P) {

  return s[P];

}

Compilation message (stderr)

scrivener.cpp: In function 'void UndoCommands(int)':
scrivener.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i=0; i<s.size()-U; i++){
      |                ~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 0 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 40