Submission #398623

#	Time	Username	Problem	Language	Result	Execution time	Memory
398623		cpp219	Crayfish scrivener (IOI12_scrivener)	C++17	100 / 100	611 ms	227908 KiB

scrivener

#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")
//#include ""
#include<bits/stdc++.h>
#include <ext/rope>
#define ll long long
#define ld long double
#define fs first
#define sc second
using namespace std;
typedef pair<ll,ll> LL;
const ll N = 1e6 + 9;
const ll inf = 1e16 + 7;

__gnu_cxx::crope s[1000100];

void Init(){}
ll id = 0;
void TypeLetter(char L){
    id++; s[id] = s[id - 1];
    s[id].push_back(L);
}

void UndoCommands(int U){
    id++; s[id] = s[id - U - 1];
}

char GetLetter(int P) {
    return s[id][P];
}

Compilation message (stderr)

scrivener.cpp:1: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
scrivener.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      |

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