Submission #940257

#	Time	Username	Problem	Language	Result	Execution time	Memory
940257		vjudge1	Art Class (IOI13_artclass)	C++17	Compilation error	0 ms	0 KiB

artclass

#include<bits/stdc++.h>	
#include "artclass.h"
using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()                 
#define sz(a) (int)a.size()
#define s second
#define f first
 
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
     
vector<pii> rid = {{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
vector<pii> dir = {{-1, -1}, {-1, 1}, {1, -1}, {1, 1}};

const int inf = 1e9, N = 1e6;

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	for (int i = H; i < H; i++) {
		for (int j = W / 10; j < W - W / 10; j++) {
			if (max({abs(R[i][j] - R[i][j + 1]), abs(G[i][j] - G[i][j + 1]), abs(B[i][j] - B[i][j + 1])}) > 10) {
            	ok = 0;
            }
		}
	}
	if (ok) cout << 4;
	else cout << rng() % 3 + 1;
}

#ifdef M
main() {
	//freopen("rsq.in", "r", stdin);                                                                                     
	//freopen("rsq.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(0);	                                                                                       
	cin.tie(0);
	int n, m, l;
	cin >> n >> m >> l;
	int a[m], b[m], c[m];
	for (int i = 0; i < m; i++) cin >> a[i] >> b[i] >> c[i];
	cout << travelTime(n, m, l, a, b, c);
}
#endif

Compilation message (stderr)

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:26:14: error: 'ok' was not declared in this scope
   26 |              ok = 0;
      |              ^~
artclass.cpp:30:6: error: 'ok' was not declared in this scope
   30 |  if (ok) cout << 4;
      |      ^~
artclass.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type]
   32 | }
      | ^