Submission #709238

#	Time	Username	Problem	Language	Result	Execution time	Memory
709238		ssense	Unscrambling a Messy Bug (IOI16_messy)	C++17	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]++;
        }
    }
    return now;
}

int[] restore_permutation(int n, int r, int w)
{
    string now = "00000000";
    for(int i = 0; i < 7; i++)
    {
        now[i]++;
        add_element(now);
    }
    compile_set();
    vector<vint> bits(8);
    for(int i = 1; i <= 256; i++)
    {
        bits[__builtin_popcount(i)].push_back(i);
    }
    int ans[n];
    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++;
    }
    return ans;
}
/*
int32_t main(){
    startt
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}


*/

Compilation message (stderr)

messy.cpp:22:4: error: structured binding declaration cannot have type 'int'
   22 | int[] restore_permutation(int n, int r, int w)
      |    ^~
messy.cpp:22:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
messy.cpp:22:4: error: empty structured binding declaration
messy.cpp:22:7: error: expected initializer before 'restore_permutation'
   22 | int[] restore_permutation(int n, int r, int w)
      |       ^~~~~~~~~~~~~~~~~~~