Submission #709230

#	Time	Username	Problem	Language	Result	Execution time	Memory
709230		ssense	Unscrambling a Messy Bug (IOI16_messy)	C++14	Compilation error	0 ms	0 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef long long  ll;
using namespace std;
#define vint vector<int>


string convert(int x)
{
    string now = "00000000";
    for(int i = 0; i < 8; i++)
    {
        if(x&(1<<i))
        {
            now[i] = "1";
        }
    }
    return now;
}

int restore_permutation(int n, int w, int r, int* ans)
{
    string now = "00000000";
    for(int i = 0; i < 7; i++)
    {
        now[i] = '1';
        add_element(now);
    }
    compile_set();
    vector<vint> bits(8);
    for(int i = 1; i <= 256; i++)
    {
        bits[__builtin_popcount(i)].push_back(i);
    }
    int already = 0;
    int idx = 0;
    for(auto v : bits)
    {
        for(auto x : v)
        {
            if(check_element(convert(x)))
            {
                int acc = x-already;
                ans[idx] = 31-__builtin_clz(acc);
                already = x;
                break;
            }
        }
        idx++;
    }
}
/*
int32_t main(){
    startt
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}


*/

Compilation message (stderr)

messy.cpp: In function 'std::string convert(int)':
messy.cpp:16:22: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   16 |             now[i] = "1";
      |                      ^~~
      |                      |
      |                      const char*
messy.cpp: In function 'int restore_permutation(int, int, int, int*)':
messy.cpp:52:1: warning: no return statement in function returning non-void [-Wreturn-type]
   52 | }
      | ^