Submission #1214494

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214494		santi3223	Art Class (IOI13_artclass)	C++20	Compilation error	0 ms	0 KiB

artclass

#include <bits/stdc++.h>
using namespace std;
#define ll int
#define vl vector<ll>
#define vb vector<bool>
#define pb push_back
#define ff(aa, bb, cc) for(ll aa = bb; aa < cc; aa++)
#define pll pair<ll, ll>
#define fi first
#define se second
#define ed "\n"
#define all(aaa) aaa.begin(), aaa.end()
#define rall(aaa) aaa.rbegin(), aaa.rend()
ll MOD = 1e9+7;

vector<vl> R, G, B;

ll calc(ll i, ll j, ll k, ll l){
	return abs(R[i][j] - R[k][l])+abs(G[i][j] - G[k][l])+abs(B[i][j] - B[k][l]);
}

ll style(ll H, ll W, ll r[500][500], ll g[500][500], ll b[500][500]){
	R = vector<vl>(500, vl(500));
	G = vector<vl>(500, vl(500));
	B = vector<vl>(500, vl(500));
	ff(i, 0, H){
		ff(j, 0, W){
			R[i][j] = r[i][j];
		}
	}
	ff(i, 0, H){
		ff(j, 0, W){
			G[i][j] = g[i][j];
		}
	}
	ff(i, 0, H){
		ff(j, 0, W){
			B[i][j] = b[i][j];
		}
	}
	
	ll res = 0, c = 0;
	ff(i, 0, H){
		ff(j, 0, W-1){
			res += calc(i, j, i, j+1);
			c++;
		}
	}
	ff(j, 0, W){
		ff(i, 0, H-1){
			res += calc(i, j, i+1, j);
			c++;
		}
	}
	res /= c;
	if(res < 10) return 4;
	else if(res < 27) return 1;
	else if(res < 55) return 2;
	else return 3;
}
/*
int main(){
	ll h, w;
	cin >> h >> w;
	ll r[500][500], g[500][500], b[500][500];
	ff(i, 0, h){
		ff(j, 0, w){
			cin >> r[i][j] >> g[i][j] >> b[i][j];
		}
	}
	cout << style(h, w, r, g, b);
}
*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccWrxLiw.o: in function `main':
grader.c:(.text.startup+0x202): undefined reference to `style'
collect2: error: ld returned 1 exit status