#include <bits/stdc++.h> //Michał Kuśmirek using namespace std; //XIII LO Szczecin #define FOR(i, a, b) for(int i = (a); i <= (b); ++i) #define REP(i, n) for(int i = 0; i < (n); ++i) template<class T> int size(T && a) { return (int)(a.size()); } ostream& operator << (ostream &os, string str) { for(char c : str) os << c; return os; } template <class A, class B> ostream& operator << (ostream &os, const pair<A, B> &p) { return os << '(' << p.first << "," << p.second << ')'; } template <class T> auto operator << (ostream &os, T &&x) -> decltype(x.begin(), os) { os << '{'; for(auto it = x.begin(); it != x.end(); ++it) os << *it << (it == prev(x.end()) ? "" : " "); return os << '}'; } template <class T> ostream& operator << (ostream &os, vector<vector<T>> vec) { for(auto x : vec) os << "\n " << x; return os; } void dump() {} template <class T, class... Args> void dump(T &&x, Args... args) { cerr << x << "; "; dump(args...); } #ifdef DEBUG # define debug(x...) cerr << "[" #x "]: ", dump(x), cerr << '\n' #else # define debug(...) 0 #endif //-------------------------------------------------- const int INF = int(1e9); vector<vector<int>> graph; vector<int> BFS(int source) { int n = size(graph); queue<int> Q; Q.push(source); vector<int> dist(n, 0); dist[source] = 0; while(!Q.empty()) { int v = Q.front(); Q.pop(); for(int u : graph[v]) if(dist[u] == 0 and u != source){ dist[u] = dist[v] + 1; Q.push(u); } } return dist; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector<int> p(n); REP(i, n) { cin >> p[i]; --p[i]; } graph.resize(n); REP(i, n) FOR(j, i + 1, n - 1) { if(p[i] > p[j]) { graph[i].emplace_back(j); graph[j].emplace_back(i); } } REP(v, n) { vector<int> dist = BFS(v); debug(v, dist); int answer = 0; for(int x : dist) answer += x; cout << answer << ' '; } 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | #include <bits/stdc++.h> //Michał Kuśmirek using namespace std; //XIII LO Szczecin #define FOR(i, a, b) for(int i = (a); i <= (b); ++i) #define REP(i, n) for(int i = 0; i < (n); ++i) template<class T> int size(T && a) { return (int)(a.size()); } ostream& operator << (ostream &os, string str) { for(char c : str) os << c; return os; } template <class A, class B> ostream& operator << (ostream &os, const pair<A, B> &p) { return os << '(' << p.first << "," << p.second << ')'; } template <class T> auto operator << (ostream &os, T &&x) -> decltype(x.begin(), os) { os << '{'; for(auto it = x.begin(); it != x.end(); ++it) os << *it << (it == prev(x.end()) ? "" : " "); return os << '}'; } template <class T> ostream& operator << (ostream &os, vector<vector<T>> vec) { for(auto x : vec) os << "\n " << x; return os; } void dump() {} template <class T, class... Args> void dump(T &&x, Args... args) { cerr << x << "; "; dump(args...); } #ifdef DEBUG # define debug(x...) cerr << "[" #x "]: ", dump(x), cerr << '\n' #else # define debug(...) 0 #endif //-------------------------------------------------- const int INF = int(1e9); vector<vector<int>> graph; vector<int> BFS(int source) { int n = size(graph); queue<int> Q; Q.push(source); vector<int> dist(n, 0); dist[source] = 0; while(!Q.empty()) { int v = Q.front(); Q.pop(); for(int u : graph[v]) if(dist[u] == 0 and u != source){ dist[u] = dist[v] + 1; Q.push(u); } } return dist; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector<int> p(n); REP(i, n) { cin >> p[i]; --p[i]; } graph.resize(n); REP(i, n) FOR(j, i + 1, n - 1) { if(p[i] > p[j]) { graph[i].emplace_back(j); graph[j].emplace_back(i); } } REP(v, n) { vector<int> dist = BFS(v); debug(v, dist); int answer = 0; for(int x : dist) answer += x; cout << answer << ' '; } cout << '\n'; } |