#include <bits/stdc++.h>
#define booost ios_base::sync_with_stdio(false); cin.tie(nullptr);
#define fi first
#define se second
#define bp __builtin_popcount
using namespace std;
typedef long long LL;
typedef long double LD;
typedef pair < int, int > PII;
typedef pair < LL, LL > PLL;
typedef pair < LD, LD > PDD;
const LL MOD=1e9+7;
const LL LLINF=1e18+7;
const int N=26;
map<int,int> MP[42];
const int MX= (1LL<<N);
int dp[MX];
int main()
{
//booost;
//freopen("C:/Users/kucha/Documents/ISIM 5. semestr/PA/tests/MS5.in","r",stdin);
int n;
int tab[50];
cin>>n;
for(int i=0;i<n;i++)
{
cin>>tab[i];
}
for(int mask=1;mask<(1<<n);mask++)
{
int b=n-1;
//cout<<mask<<" ";
while(!((1<<b)&mask))
{
b--;
}
int cnt=0;
int nmask=mask^(1<<b);
for(int i=0;i<b;i++)
{
if((1<<i)&nmask && tab[i]>tab[b])
{
cnt++;
}
}
dp[mask]=dp[nmask]+cnt;
MP[bp(mask)][dp[mask]]++;
//cout<<dp[nmask]<<" "<<dp[mask]<<'\n';
}
for(int i=1;i<=n;i++)
{
auto it=MP[i].begin();
cout<<(it->fi)<<" "<<(it->se)<<'\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> #define booost ios_base::sync_with_stdio(false); cin.tie(nullptr); #define fi first #define se second #define bp __builtin_popcount using namespace std; typedef long long LL; typedef long double LD; typedef pair < int, int > PII; typedef pair < LL, LL > PLL; typedef pair < LD, LD > PDD; const LL MOD=1e9+7; const LL LLINF=1e18+7; const int N=26; map<int,int> MP[42]; const int MX= (1LL<<N); int dp[MX]; int main() { //booost; //freopen("C:/Users/kucha/Documents/ISIM 5. semestr/PA/tests/MS5.in","r",stdin); int n; int tab[50]; cin>>n; for(int i=0;i<n;i++) { cin>>tab[i]; } for(int mask=1;mask<(1<<n);mask++) { int b=n-1; //cout<<mask<<" "; while(!((1<<b)&mask)) { b--; } int cnt=0; int nmask=mask^(1<<b); for(int i=0;i<b;i++) { if((1<<i)&nmask && tab[i]>tab[b]) { cnt++; } } dp[mask]=dp[nmask]+cnt; MP[bp(mask)][dp[mask]]++; //cout<<dp[nmask]<<" "<<dp[mask]<<'\n'; } for(int i=1;i<=n;i++) { auto it=MP[i].begin(); cout<<(it->fi)<<" "<<(it->se)<<'\n'; } } |
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