Submission #198782

#TimeUsernameProblemLanguageResultExecution timeMemory
198782NeklixxA Huge Tower (CEOI10_tower)C++14
5 / 100
1098 ms16852 KiB
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define F first #define S second #define all(v) v.begin(), v.end() #define sh cin.tie(0); cin.sync_with_stdio(0); cout.tie(0); #define FILE freopen("test.in", "r", stdin); #define vprint(v) for (int ii = 0; ii < v.size(); ii++){cout << v[ii] << " ";} #define debugv(v) if (v.size() != 0) {cout << "[ "; for (int __ = 0; __ < (int)(v.size()) - 1; __++){cout << v[__] << ", ";} cout << v[(int)(v.size()) - 1] << " ]" << endl;} else {cout << "[]" << endl;} #define debug cout << "-----------------------------------------------" << endl; #define print1(a) cout << "{ " << a << " }" << endl; #define print2(a, b) cout << "{ " << a << ", " << b << " }" << endl; #define print3(a, b, c) cout << "{ " << a << ", " << b << ", " << c << " }" << endl; #define print4(a, b, c, d) cout << "{ " << a << ", " << b << ", " << c << ", " << d << " }" << endl; using namespace std; #define int long long const int INF = 1e9 + 228; const int MAXN = 1e5 + 228; signed main() { #ifdef LOCAL FILE; #endif sh; int n, d; cin >> n >> d; vector<pair<int, int>> v; for (int i = 0; i < n; i++) { int aa; cin >> aa; v.pb({aa, i}); } int ans = 0; do { bool kek = 1; for (int i = 1; i < n; i++) { if (v[i].F - v[i - 1].F > d) kek = 0; } ans += kek; } while (next_permutation(all(v))); cout << ans << endl; return 0; }
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