#include<bits/stdc++.h>
using namespace std;
const int INF = 1e9;
int n;
vector<int> t;
vector<pair<int,int> > res;
vector<int> S;
pair<int,int> merge(pair<int,int>& a, int b){
if(a.first != b)
return (a.first < b ? a : make_pair(b,1));
return {a.first, a.second+1};
}
int calc(int p){
int res = 0;
for(int i : S)
res += (i > p ? 1 : 0);
return res;
}
void solve(int x=0, int p=0){
if(x == n){
res[S.size()] = merge(res[S.size()], p);
return;
}
solve(x+1,p);
p += calc(t[x]);
S.push_back(t[x]);
solve(x+1,p);
S.pop_back();
}
int main(void){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
t.resize(n);
for(int& i : t)
cin >> i;
res.assign(n+1,{INF,INF});
solve();
for(int i=1;i<=n;i++)
cout << res[i].first << " " << res[i].second << "\n";
return 0;
}
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 | #include<bits/stdc++.h> using namespace std; const int INF = 1e9; int n; vector<int> t; vector<pair<int,int> > res; vector<int> S; pair<int,int> merge(pair<int,int>& a, int b){ if(a.first != b) return (a.first < b ? a : make_pair(b,1)); return {a.first, a.second+1}; } int calc(int p){ int res = 0; for(int i : S) res += (i > p ? 1 : 0); return res; } void solve(int x=0, int p=0){ if(x == n){ res[S.size()] = merge(res[S.size()], p); return; } solve(x+1,p); p += calc(t[x]); S.push_back(t[x]); solve(x+1,p); S.pop_back(); } int main(void){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n; t.resize(n); for(int& i : t) cin >> i; res.assign(n+1,{INF,INF}); solve(); for(int i=1;i<=n;i++) cout << res[i].first << " " << res[i].second << "\n"; return 0; } |
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