Submission #1196034

#	Time	Username	Problem	Language	Result	Execution time	Memory
1196034		lrnnz	Unscrambling a Messy Bug (IOI16_messy)	C++17	20 / 100	2 ms	328 KiB

messy

#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include "messy.h"
using namespace std;
 
#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
 
/********* DEBUG *********/
 
template <typename T>
void outvec(const vector<T>& Z){
    for (const T& x : Z)
    cout << x << ' ';
    cout << "\n";
}
void printVariable(const any& var) {
    if (!var.has_value()) {
        cout << "null";
        return;
    }

    if (var.type() == typeid(int)) {
        cout << any_cast<int>(var);
    } else if (var.type() == typeid(double)) {
        cout << any_cast<double>(var);
    } else if (var.type() == typeid(float)) {
        cout << any_cast<float>(var);
    } else if (var.type() == typeid(char)) {
        cout << any_cast<char>(var);
    } else if (var.type() == typeid(bool)) {
        cout << (any_cast<bool>(var) ? "true" : "false");
    } else if (var.type() == typeid(string)) {
        cout << any_cast<string>(var);
    } else if (var.type() == typeid(const char*)) {
        cout << any_cast<const char*>(var);
    } else if (var.type() == typeid(long long)) {
        cout << any_cast<long long>(var);
    } else {
        cout << "[unknown type]";
    }
}

template<typename... Args>
void outval(Args... args) {
    vector<any> variables = {args...};
    
    for (size_t i = 0; i < variables.size(); ++i) {
        printVariable(variables[i]);
        if (i != variables.size() - 1) {
            cout << " ";
        }
    }
    cout << "\n";
}

#define nl "\n"
#define sp << " " <<

/********* DEBUG *********/

const ll MOD = 1000000007;
const ll inf = 1e18;
const ll mxN = 1000005;

ll _r=0,_w=0;

vector<int> restore_permutation(int n, int w, int r) {
    // st1, and also 2. w writes, r^2 reads
    for (int i = 0; i < n; i++){
        string make = "";
        for (int j = 0; j < n; j++){
            make+= (j<=i ? '1' : '0');
        }
        add_element(make);
        assert(++_w <= w);
    }

    compile_set();

    // creating
    vector<char> curr(n, '0');    
    vector<int> ans(n);

    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            if (curr[j] != '0')
            continue;

            string st = "";

            for (int k = 0; k < n; k++){
                if (k == j)
                    st+='1';
                else
                    st+=curr[k];
            }

            //outval("curr:",st);

            assert(++_r <= r);
            if (check_element(st)){
                curr[j]='1';
                ans[i]=j;
                break;
            }
        }
    }
    
    return ans;
}

Compilation message (stderr)

In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from messy.cpp:1:
In function 'typename __gnu_cxx::__enable_if<std::__is_byte<_Tp>::__value, void>::__type std::__fill_a1(_Tp*, _Tp*, const _Tp&) [with _Tp = char]',
    inlined from 'void std::__fill_a(_FIte, _FIte, const _Tp&) [with _FIte = char*; _Tp = char]' at /usr/include/c++/11/bits/stl_algobase.h:969:21,
    inlined from '_OutputIterator std::__fill_n_a(_OutputIterator, _Size, const _Tp&, std::random_access_iterator_tag) [with _OutputIterator = char*; _Size = long unsigned int; _Tp = char]' at /usr/include/c++/11/bits/stl_algobase.h:1120:20,
    inlined from '_OI std::fill_n(_OI, _Size, const _Tp&) [with _OI = char*; _Size = long unsigned int; _Tp = char]' at /usr/include/c++/11/bits/stl_algobase.h:1149:29,
    inlined from 'static _ForwardIterator std::__uninitialized_fill_n<true>::__uninit_fill_n(_ForwardIterator, _Size, const _Tp&) [with _ForwardIterator = char*; _Size = long unsigned int; _Tp = char]' at /usr/include/c++/11/bits/stl_uninitialized.h:255:29,
    inlined from '_ForwardIterator std::uninitialized_fill_n(_ForwardIterator, _Size, const _Tp&) [with _ForwardIterator = char*; _Size = long unsigned int; _Tp = char]' at /usr/include/c++/11/bits/stl_uninitialized.h:297:17,
    inlined from '_ForwardIterator std::__uninitialized_fill_n_a(_ForwardIterator, _Size, const _Tp&, std::allocator<_Tp2>&) [with _ForwardIterator = char*; _Size = long unsigned int; _Tp = char; _Tp2 = char]' at /usr/include/c++/11/bits/stl_uninitialized.h:410:39,
    inlined from 'void std::vector<_Tp, _Alloc>::_M_fill_initialize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = char; _Alloc = std::allocator<char>]' at /usr/include/c++/11/bits/stl_vector.h:1596:33,
    inlined from 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = char; _Alloc = std::allocator<char>]' at /usr/include/c++/11/bits/stl_vector.h:525:27,
    inlined from 'std::vector<int> restore_permutation(int, int, int)' at messy.cpp:90:29:
/usr/include/c++/11/bits/stl_algobase.h:944:25: warning: 'void* __builtin_memset(void*, int, long unsigned int)' specified size between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
  944 |         __builtin_memset(__first, static_cast<unsigned char>(__tmp), __len);
      |         ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30