#include "bits/stdc++.h" // Tomasz Nowak using namespace std; // University of Warsaw using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif int main() { cin.tie(0)->sync_with_stdio(0); int n; cin >> n; vector<int> p(n); for(int &pi : p) { cin >> pi; --pi; } debug(n, p); vector<vector<int>> graph(n); REP(v, n) REP(u, n) if(bool(v < u) != bool(p[v] < p[u])) graph[v].emplace_back(u); debug(graph); vector<int> ans(n); REP(start, n) { vector<int> dist(n, -1); dist[start] = 0; deque<int> que = {start}; while(not que.empty()) { int v = que.front(); que.pop_front(); for(int u : graph[v]) if(dist[u] == -1) { dist[u] = dist[v] + 1; que.emplace_back(u); } } REP(v, n) if(dist[v] != -1) ans[start] += dist[v]; } REP(v, n) cout << ans[v] << ' '; cout << '\n'; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | #include "bits/stdc++.h" // Tomasz Nowak using namespace std; // University of Warsaw using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif int main() { cin.tie(0)->sync_with_stdio(0); int n; cin >> n; vector<int> p(n); for(int &pi : p) { cin >> pi; --pi; } debug(n, p); vector<vector<int>> graph(n); REP(v, n) REP(u, n) if(bool(v < u) != bool(p[v] < p[u])) graph[v].emplace_back(u); debug(graph); vector<int> ans(n); REP(start, n) { vector<int> dist(n, -1); dist[start] = 0; deque<int> que = {start}; while(not que.empty()) { int v = que.front(); que.pop_front(); for(int u : graph[v]) if(dist[u] == -1) { dist[u] = dist[v] + 1; que.emplace_back(u); } } REP(v, n) if(dist[v] != -1) ans[start] += dist[v]; } REP(v, n) cout << ans[v] << ' '; cout << '\n'; } |