#include <bits/stdc++.h>
using namespace std;
#define OPTM ios_base::sync_with_stdio(0); cin.tie(0);
#define INF int(1e9+7)
#define ln '\n'
#define ll long long
#define ull unsigned long long
#define ui unsigned int
#define us unsigned short
#define FOR(i,s,n) for (int i = s; i < n; i++)
#define FORR(i,n,s) for (int i = n; i > s; i--)
#define FORX(u, arr) for (auto u : arr)
#define PB push_back
#define F first
#define S second
#define PII pair<int, int>
#define PLL pair<ll, ll>
#define UM unordered_map
#define US unordered_set
#define PQ priority_queue
#define ALL(v) v.begin(), v.end()
const ll LLINF = 1e18+1;
signed main() {
// freopen("","r",stdin);
// freopen("","w",stdout);
OPTM;
}
Compilation message
/usr/bin/ld: /tmp/ccEPJsmG.o: in function `main':
artclass.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYVEE8F.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccYVEE8F.o: in function `main':
grader.c:(.text.startup+0x200): undefined reference to `style'
collect2: error: ld returned 1 exit status
