Submission #725213

#	Time	Username	Problem	Language	Result	Execution time	Memory
725213		SanguineChameleon	Game (APIO22_game)	C++17	Compilation error	0 ms	0 KiB

game

#include "game.h"

const int maxN = 3e5 + 20;
int max_in[maxN];
vector<int> adj[maxN];
int n, k;

void init(int _n, int _k) {
	n = _n;
	k = _k;
	for (int i = 0; i < k; i++) {
		max_in[i] = i - 1;
	}
	for (int i = k; i < n; i++) {
		max_in[i] = -1;
	}
}

void dfs(int u) {
	for (auto v: adj[u]) {
		if (max_in[u] > max_in[v]) {
			max_in[v] = max_in[u];
			dfs(v);
		}
	}
}

int add_teleporter(int u, int v) {
	int cur = max(max_in[u], (u < k ? u : -1));
	if (cur > max_in[v]) {
		max_in[v] = cur;
		dfs(v);
	}
	adj[u].push_back(v);
	for (int i = 0; i < k; i++) {
		if (max_in[i] >= i) {
			return 1;
		}
	}
	return 0;
}

Compilation message (stderr)

game.cpp:5:1: error: 'vector' does not name a type
    5 | vector<int> adj[maxN];
      | ^~~~~~
game.cpp: In function 'void dfs(int)':
game.cpp:20:15: error: 'adj' was not declared in this scope
   20 |  for (auto v: adj[u]) {
      |               ^~~
game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:29:12: error: 'max' was not declared in this scope; did you mean 'maxN'?
   29 |  int cur = max(max_in[u], (u < k ? u : -1));
      |            ^~~
      |            maxN
game.cpp:34:2: error: 'adj' was not declared in this scope
   34 |  adj[u].push_back(v);
      |  ^~~