#include <bits/stdc++.h>
using namespace std;
#define mk make_pair
#define fi first
#define sz(x) x.size()
#define se second
#define pb push_back
#define VAR(v) #v << " " << v << " "
#define debug if(0)
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = (int)1e6 + 9;
const int INF = (int)1e9 + 7;
const int mod = (int)1e9 + 7;
int n;
int dp[maxn];
int a[49];
ii ans[49];
int main(int argc, char* argv[])
{
ios::sync_with_stdio(false);
debug; else cin.tie(NULL), cout.tie(NULL);
cin>>n;
for(int i = 0; i < n; i++)
cin>>a[i];
for(int mask = 1; mask < (1<<n); mask++)
{
int right = 0;
for(int i = 0; i < n; i++)
if((1<<i) & mask)
right = i;
int cnt = 0;
for(int i = 0; i < n; i++)
if(((1<<i) & mask) && a[i] > a[right])
cnt++;
dp[mask] = dp[mask^(1<<right)] + cnt;
}
for(int i = 1; i <= n; i++)
ans[i] = {INF, 0};
for(int mask = 1; mask < (1<<n); mask++)
{
int k = 0;
for(int i = 0; i < n; i++)
if((1<<i) & mask) k++;
if(ans[k].fi == dp[mask])
ans[k].se++;
else if(dp[mask] < ans[k].fi)
ans[k] = {dp[mask], 1};
}
for(int i = 1; i <= n; i++)
cout<<ans[i].fi<<" "<<ans[i].se<<"\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 55 | #include <bits/stdc++.h> using namespace std; #define mk make_pair #define fi first #define sz(x) x.size() #define se second #define pb push_back #define VAR(v) #v << " " << v << " " #define debug if(0) typedef long long ll; typedef pair<int, int> ii; const int maxn = (int)1e6 + 9; const int INF = (int)1e9 + 7; const int mod = (int)1e9 + 7; int n; int dp[maxn]; int a[49]; ii ans[49]; int main(int argc, char* argv[]) { ios::sync_with_stdio(false); debug; else cin.tie(NULL), cout.tie(NULL); cin>>n; for(int i = 0; i < n; i++) cin>>a[i]; for(int mask = 1; mask < (1<<n); mask++) { int right = 0; for(int i = 0; i < n; i++) if((1<<i) & mask) right = i; int cnt = 0; for(int i = 0; i < n; i++) if(((1<<i) & mask) && a[i] > a[right]) cnt++; dp[mask] = dp[mask^(1<<right)] + cnt; } for(int i = 1; i <= n; i++) ans[i] = {INF, 0}; for(int mask = 1; mask < (1<<n); mask++) { int k = 0; for(int i = 0; i < n; i++) if((1<<i) & mask) k++; if(ans[k].fi == dp[mask]) ans[k].se++; else if(dp[mask] < ans[k].fi) ans[k] = {dp[mask], 1}; } for(int i = 1; i <= n; i++) cout<<ans[i].fi<<" "<<ans[i].se<<"\n"; return 0; } |
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