Submission #997065

#	Time	Username	Problem	Language	Result	Execution time	Memory
997065		Promine	Unscrambling a Messy Bug (IOI16_messy)	C++14	Compilation error	0 ms	0 KiB

messy

#include <iostream>
#include <vector>
#include <string>

using namespace std;

vector<int> restore_permutation(int n, int w, int r) {
    vector<string> elements;
    for (int i = 0; i < (1 << n); ++i) {
        string binary_str = bitset<32>(i).to_string().substr(32 - n);
        elements.push_back(binary_str);
    }
    
    for (const string& element : elements) {
        add_element(element);
    }
    
    compile_set();
    
    vector<int> permutation(n, -1);
    
    for (int i = 0; i < n; ++i) {
        string test_element(n, '0');
        test_element[i] = '1';
        if (check_element(test_element)) {
            permutation[i] = 0;
        } else {
            for (int j = 1; j < n; ++j) {
                string test_element(n, '0');
                test_element[i] = '1';
                test_element[(i + j) % n] = '1';
                if (check_element(test_element)) {
                    permutation[i] = j;
                    break;
                }
            }
        }
    }
    
    return permutation;
}
int main() {
    vector<int> perm = restore_permutation(4, 16, 16);
    for (int p : perm) {
        cout << p << " ";
    }
    cout << endl;
    return 0;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:10:29: error: 'bitset' was not declared in this scope
   10 |         string binary_str = bitset<32>(i).to_string().substr(32 - n);
      |                             ^~~~~~
messy.cpp:3:1: note: 'std::bitset' is defined in header '<bitset>'; did you forget to '#include <bitset>'?
    2 | #include <vector>
  +++ |+#include <bitset>
    3 | #include <string>
messy.cpp:10:43: error: request for member 'to_string' in 'i', which is of non-class type 'int'
   10 |         string binary_str = bitset<32>(i).to_string().substr(32 - n);
      |                                           ^~~~~~~~~
messy.cpp:15:9: error: 'add_element' was not declared in this scope; did you mean 'element'?
   15 |         add_element(element);
      |         ^~~~~~~~~~~
      |         element
messy.cpp:18:5: error: 'compile_set' was not declared in this scope
   18 |     compile_set();
      |     ^~~~~~~~~~~
messy.cpp:25:13: error: 'check_element' was not declared in this scope; did you mean 'test_element'?
   25 |         if (check_element(test_element)) {
      |             ^~~~~~~~~~~~~
      |             test_element