/*************************************
* author: marvinthang *
* created: 24.06.2023 17:13:38 *
*************************************/
#include "train.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define left ___left
#define right ___right
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define MASK(i) (1LL << (i))
#define BIT(x, i) ((x) >> (i) & 1)
#define __builtin_popcount __builtin_popcountll
#define ALL(v) (v).begin(), (v).end()
#define REP(i, n) for (int i = 0, _n = (n); i < _n; ++i)
#define REPD(i, n) for (int i = (n); i--; )
#define FOR(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define FORD(i, b, a) for (int i = (b), _a = (a); --i >= _a; )
#define FORE(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORDE(i, b, a) for (int i = (b), _a = (a); i >= _a; --i)
#define scan_op(...) istream & operator >> (istream &in, __VA_ARGS__ &u)
#define print_op(...) ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
#include "debug.h"
#else
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define DB(...) 23
#define db(...) 23
#define debug(...) 23
#endif
template <class U, class V> scan_op(pair <U, V>) { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>) { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>) { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }
// end of template
vector <int> who_wins(vector <int> a, vector <int> r, vector <int> u, vector <int> v) {
int n = a.size();
int m = u.size();
vector <vector <int>> radj(n);
vector <int> deg(n);
REP(i, m) {
++deg[u[i]];
radj[v[i]].push_back(u[i]);
}
vector <bool> visited(n, false);
vector <bool> blocked(n, false);
vector <int> res(n, 1);
while (true) {
copy(ALL(blocked), visited.begin());
function <void(int, int)> dfs = [&] (int u, int t) {
visited[u] = true;
for (int v: radj[u]) if (!visited[v] && (a[v] == t || !--deg[v])) dfs(v, t);
};
for (int u: r) if (!visited[u]) dfs(u, 1);
vector <int> rem;
REP(i, n) if (!visited[i]) rem.push_back(i);
if (rem.empty()) break;
copy(ALL(blocked), visited.begin());
for (int u: rem) if (!visited[u]) dfs(u, 0);
}
return res;
}
#ifdef LOCAL
#include "train.h"
#include <cstdio>
#include <vector>
#include <cassert>
using namespace std;
int main() {
file("train");
int n, m;
assert(2 == scanf("%d %d", &n, &m));
vector<int> a(n), r(n), u(m), v(m);
for(int i = 0; i < n; i++)
assert(1 == scanf("%d", &a[i]));
for(int i = 0; i < n; i++)
assert(1 == scanf("%d", &r[i]));
for(int i = 0; i < m; i++)
assert(2 == scanf("%d %d", &u[i], &v[i]));
vector<int> res = who_wins(a, r, u, v);
for(int i = 0; i < (int)res.size(); i++)
printf(i ? " %d" : "%d", res[i]);
printf("\n");
return 0;
}
#endif
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2075 ms |
852 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2039 ms |
212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2063 ms |
1472 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2059 ms |
1236 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2033 ms |
1364 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2075 ms |
852 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |