# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
419201 | 2021-06-06T14:22:38 Z | acm | Geppetto (COCI15_geppetto) | C++14 | 9 ms | 332 KB |
#include <bits/stdc++.h> #define speed \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define precision \ cout.precision(30); \ cerr.precision(10); #define ll long long #define ld long double #define pll pair<ll, ll> #define pii pair<int, int> #define forn(n) for (int i = 1; i <= n; i++) #define forlr(l, r) for (int i = l; i != r; (l > r ? i-- : i++)) #define pb(x) push_back(x) #define sz(x) (int)x.size() #define mp(x, y) make_pair(x, y) #define all(x) x.begin(), x.end() #define pc(x) __builtin_popcount(x) #define pcll(x) __builtin_popcountll(x) #define F first #define S second using namespace std; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); void ioi(string name) { freopen((name + ".in").c_str(), "r", stdin); freopen((name + ".out").c_str(), "w", stdout); } ll n, m, k, b[50][50]; vector<ll> t; void rec(ll v = 1) { if (v > n) { k++; return; } ll ok = 1; for (auto x : t) ok &= !b[v][x]; if (ok) { t.pb(v); rec(v + 1); t.pop_back(); } rec(v + 1); } int main() { speed; precision; // code cin >> n >> m; while (m--) { ll u, v; cin >> u >> v; b[u][v] = b[v][u] = 1; } rec(); cout << k; // endl #ifndef ONLINE_JUDGE cerr << "\nTime elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n"; #endif return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 204 KB | Output is correct |
2 | Correct | 1 ms | 204 KB | Output is correct |
3 | Correct | 1 ms | 204 KB | Output is correct |
4 | Correct | 1 ms | 332 KB | Output is correct |
5 | Correct | 1 ms | 204 KB | Output is correct |
6 | Correct | 1 ms | 332 KB | Output is correct |
7 | Correct | 1 ms | 204 KB | Output is correct |
8 | Correct | 1 ms | 204 KB | Output is correct |
9 | Correct | 3 ms | 332 KB | Output is correct |
10 | Correct | 9 ms | 204 KB | Output is correct |