Submission #1295679

#	Time	Username	Problem	Language	Result	Execution time	Memory
1295679		eldaees131313	Unscrambling a Messy Bug (IOI16_messy)	C++20	Compilation error	0 ms	0 KiB

messy

////////////////////////////// Author:eldaee, coder_viper
#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
#define int long long
#define str string
#define vec vector
#define dou double
#define ld long double
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define OK cout << "OK" << '\n'
#define Ok cout << "Ok" << '\n'
#define YES cout << "YES" << '\n'
#define Yes cout << "Yes" << '\n'
#define NO cout << "NO" << '\n'
#define No cout << "No" << '\n'
#define gcd __gcd
#define all(x) x.begin(),x.end()
#define eldaee ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;

/*



*/

vec<int> v(int n, int w, int r) {
    vec<int> z(n);
    for (int i = 0; i < n; i++) {
        z[i] = i;
    }
    return z;
}

void solve() { 
    int n = 4;
    int w = 16;
    int r = 16;
    vec<int> z = v(n, w, r);
    for (int i = 0; i < n; i++) {
            cout << z[i] << ' ';
    }
    cout << '\n';
}

signed main() {
    eldaee

    solve();
}

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/ccy5Cg5K.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCNL06I.o:messy.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccy5Cg5K.o: in function `main':
grader.cpp:(.text.startup+0x16f): undefined reference to `restore_permutation(int, int, int)'
collect2: error: ld returned 1 exit status