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вернуться в форумaccepted //#pragma GCC optimize("Ofast,no-stack-protector") //#pragma GCC target("avx") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds; using namespace std;
#define re return #define pb push_back #define eb emplace_back #define all(x) (x).begin(), (x).end() #define fi first #define se second #define sqrt(x) sqrt(abs(x)) #define mp make_pair #define pi (3.14159265358979323846264338327950288419716939937510) #define fo(i, n) for(int i = 0; i < n; ++i) #define ro(i, n) for(int i = n - 1; i >= 0; --i) #define unique(v) v.resize(unique(all(v)) - v.begin())
template <class T> T abs (T x) { re x > 0 ? x : -x; } template <class T> T sqr (T x) { re x * x; } template <class T> T gcd (T a, T b) { re a ? gcd (b % a, a) : b; } template <class T> int sgn (T x) { re x > 0 ? 1 : (x < 0 ? -1 : 0); }
typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> ii; typedef vector<ii> vii; typedef vector<string> vs; typedef double D; typedef long double ld; typedef long long ll; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef unsigned long long ull; typedef tree <pair<int, char>, null_type, less<pair<int, char>>, rb_tree_tag, tree_order_statistics_node_update> _tree; const int maxn = 100; vi g[maxn], rg[maxn]; int ans[maxn]; bool was[maxn]; int dfs (int v, int time) { //cout << v + 1 << ' ' << time << endl; int start_time = time; was[v] = true; for (int j : rg[v]) { if (!was[j]) time += dfs(j, time++); } ans[v] = time; for (int j : g[v]) { if (!was[j]) time += dfs(j, ++time); } re time - start_time; } int main() { int n; cin >> n; int x; fo(i, n) { cin >> x; while (x) { g[i].pb(x - 1); rg[x - 1].pb(i); cin >> x; } } int time = 0; fo(i, n) { if (!was[i]) time += dfs(i, time); } fo(i, n) { fo(j, n) if (ans[j] == i) cout << j + 1 << ' '; } cout << endl; //fo(i, n) cout << ans[i] << ' '; re 0; } To the admin: To remove this comment with solution Please, delete this code... Edited by author 04.06.2021 17:22 |
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