Submission #524215

#	Time	Username	Problem	Language	Result	Execution time	Memory
524215		Lobo	Unscrambling a Messy Bug (IOI16_messy)	C++17	Compilation error	0 ms	0 KiB

messy

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

const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
// #define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

#define maxn 

vector<int> restore_permutation(int n, int w, int r) {
    vector<int> v;

    for(int i = 0; i < n; i++) {
        v.pb(mp(rand()%150,i));
    }
    sort(all(v));

    vector<int> p1(n,0);

    for(int i = 1; i <= n; i++) {
        string s;
        for(int j = 0; j < i; j++) s.pb('1');
        for(int j = 0; j < n-i; j++) s.pb('0');

        add_element(s);
    }

    compile_set();
    string cur(n,'0');
    for(int i = 0; i < n; i++) {
        //encontrar qual j tem p[j] = i

        for(auto X : v) {
            int j = X.sc;
            if(cur[j] == '1') continue;
            cur[j] = '1';
            bool ok;
            // cout << cur << " " << ok ? "false" : "true" << endl;
            ok = check_element(cur);
            // cout << cur << " " << ok ? "false" : "true" << endl;
            if(ok) {
                p1[j] = i;
                break;
            }
            cur[j] = '0';
        }
    }

    return p1;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:22:30: error: no matching function for call to 'std::vector<int>::push_back(std::pair<int, int>)'
   22 |         v.pb(mp(rand()%150,i));
      |                              ^
In file included from /usr/include/c++/10/vector:67,
                 from messy.h:3,
                 from messy.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
messy.cpp:10:12: error: request for member 'second' in 'X', which is of non-class type 'int'
   10 | #define sc second
      |            ^~~~~~
messy.cpp:42:23: note: in expansion of macro 'sc'
   42 |             int j = X.sc;
      |                       ^~