Submission #229828

#	Time	Username	Problem	Language	Result	Execution time	Memory
229828		achibasadzishvili	Unscrambling a Messy Bug (IOI16_messy)	C++14	Compilation error	0 ms	0 KiB

messy

#include <bits/stdc++.h>
#define ll int
#define f first
#define s second
#define pb push_back
using namespace std;
#include "messy.h"

vector<int> restore_permutation(int n, int w, int r){
    srand(time(123123123));
    string s = "";
    for(int i=1; i<=n; i++)
        s += '0';
    for(int i=0; i<n; i++){
        s[i] = '1';
        add_element(s);
    }
    compile_set();
    string a = "";
    for(int i=0; i<n; i++)
        a += '0';
    vector<ll>p;
    for(int i=0; i<n; i++)
        p.pb(0);
    for(int i=0; i<n; i++){
        vector<ll>k;
        for(int j=0; j<n; j++)
            if(a[j] == '0')
                k.pb(j);
        random_shuffle(k.begin() , k.end());
        random_shuffle(k.begin() , k.end());
        random_shuffle(k.begin() , k.end());
        random_shuffle(k.begin() , k.end());
        random_shuffle(k.begin() , k.end());
        for(int ji=0; ji<n; ji++){
            int j = k[ji];
            if(a[j] == '0'){
                a[j] = '1';
                if(check_element(a)){
                    //cout << i << " <-> " << j << '\n';
                    p[j] = i;
                    break;
                }
                a[j] = '0';
            }
        }
    }
    
    return p;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:10:25: error: invalid conversion from 'int' to 'time_t* {aka long int*}' [-fpermissive]
     srand(time(123123123));
                         ^
In file included from /usr/include/c++/7/ctime:42:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:49,
                 from messy.cpp:1:
/usr/include/time.h:192:15: note:   initializing argument 1 of 'time_t time(time_t*)'
 extern time_t time (time_t *__timer) __THROW;
               ^~~~