Submission #1320577

#	Time	Username	Problem	Language	Result	Execution time	Memory
1320577		ezzzay	Unscrambling a Messy Bug (IOI16_messy)	C++20	Compilation error	0 ms	0 KiB

messy

#include "messy.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back

map<string,bool>mp;
int x=1,y=2;
vector<int> P = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
                 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};


void add_element(string s){
    string t;
    for(int i=0;i<32;i++)t+='0';
    for(int i=0;i<32;i++){
        t[P[i]]=s[i];
    }
    mp[t]=1;
}
bool check_element(string s){return mp[s];}
void compile_set(){
    
}
std::vector<int> restore_permutation(int n, int w, int r) {
    string s;
    for(int i=0;i<n;i++)s+='0';
    for(int i=0;i<n;i++){
        s[i]='1';
        add_element(s);
    }
    compile_set();
    vector<bool>fnd(n);
    vector<int>p(n);
    for(int i=0;i<n;i++){
        string s;for(int j=0;j<n;j++)s+='0';
        vector<int>vc;
        for(int j=0;j<n;j++){
            if(fnd[j])s[j]='1';
            else vc.pb(j);
        }
        random_device rd;
        mt19937 rng(rd());         
        shuffle(vc.begin(), vc.end(), rng);
        for(auto j:vc){
            string t=s;
            t[j]='1';
            if(check_element(t)){
                fnd[j]=1;
                p[j]=i;
                break;
            }
        }
    }
    return p;
}

Compilation message (stderr)

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
      |         ^~~~
/usr/bin/ld: /tmp/cc2IAJtL.o: in function `check_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x650): multiple definition of `check_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccz27TXo.o:messy.cpp:(.text+0x430): first defined here
/usr/bin/ld: /tmp/cc2IAJtL.o: in function `add_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x7d0): multiple definition of `add_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccz27TXo.o:messy.cpp:(.text+0x1d0): first defined here
/usr/bin/ld: /tmp/cc2IAJtL.o: in function `compile_set()':
grader.cpp:(.text+0x830): multiple definition of `compile_set()'; /tmp/ccz27TXo.o:messy.cpp:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status