Submission #515604

#	Time	Username	Problem	Language	Result	Execution time	Memory
515604		kshitij_sodani	Present (RMI21_present)	C++14	29 / 100	1654 ms	58764 KiB

Main

//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'

llo pre[61][61];
llo dp[1<<22][23];;
llo cal[1<<22];
llo cal2[1<<22];
llo comp[1<<22];
llo vis[1<<22];
llo vis2[1<<22];
llo vis3[44];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	for(llo i=1;i<=60;i++){
		for(llo j=1;j<=60;j++){
			pre[i][j]=__gcd(i,j);
		}
	}
	llo zz=0;
	llo zz2=0;
	llo bb=17;
	//for(llo i=1;i<=bb;i++){
	llo oo=0;
	llo pp=0;
		for(llo j=0;j<(1<<(bb));j++){

			vector<llo> tt;
			llo cur=0;
			llo ec=-1;
			for(llo i=0;i<bb;i++){
				if((1<<i)&j){
					ec=(1<<i);
					tt.pb(i*2+2);
				}
			}
			if(tt.size()){
				cur=cal2[j-ec];
			}
			for(llo k=0;k+1<tt.size();k++){
				cur|=(1<<((pre[tt[k]][tt.back()]/2)-1));
			}
			cal2[j]=cur;
			if((cur|j)==j){
			//	dp[(1<<bb)-j-1][0]=1;
				vis[j]=1;
				//oo++;
			}
//			pp++;

		}
	//	cout<<11<<endl;
		llo val5=0;
		/*for(llo j=0;j<(1<<bb);j++){
			for(llo i=0;i<bb;i++){

			}
		}*/
		for(llo j=0;j<(1<<bb);j++){
			vector<llo> tt;
			llo cur=0;
			llo ec=0;
			for(llo i=0;i<bb;i++){
				if((1<<i)&j){
					ec=(1<<i);
					tt.pb(i*2+1);
				}
			}
			if(tt.size()){
				cur=cal[j-ec];
			}
			for(llo k=0;k+1<tt.size();k++){
				cur|=(1<<(pre[tt[k]][tt.back()]/2));
			}
			if((cur|j)==j){
				llo su=0;
				for(llo i=0;i<bb;i++){
					llo st=1;
					for(auto k:tt){
						if((1<<(pre[k][2*i+2]/2))&j){

						}
						else{
							st=0;
							break;
						}
					}
					if(st==1){
						su+=(1<<i);
					}
				}
				vis2[j]=1;
				comp[j]=su;
				//cout<<j<<":"<<su<<endl;
			}

			cal[j]=cur;
			/*if(j>0){
				nn[j]+=nn[j-1];
			}*/
		}

	llo t;
	cin>>t;
	while(t--){
		llo n;
		cin>>n;

		if(n==0){
			cout<<0<<endl;
			continue;
		}
		n++;
		for(int i=1;i<=2*bb;i++){
			vis3[i]=0;
		}

		for(llo ii=2*bb;ii>=1;ii--){
			vis3[ii]=-1;
			llo ac=0;
			llo bc=0;
			for(llo j=2*bb;j>=ii;j-=2){
				if(vis3[j]==-1){
					ac+=(1<<((j-1)/2));
				}
				else{
					bc+=(1<<((j-1)/2));
				}
			}
			llo ac2=0;
			llo bc2=0;
			for(llo j=2*bb-1;j>=ii;j-=2){
				if(vis3[j]==-1){
					ac2+=(1<<(j/2));
				}
				else{
					bc2+=(1<<(j/2));
				}
			}
			
			llo zz=0;
			for(llo j=0;j<(1<<bb);j++){
				dp[j][0]=0;
	
				if((j&ac)==0){
					if((j|bc)==j){
	
						dp[j][0]=vis[j];
						
					}
				}
				for(llo i=1;i<=bb;i++){
					if((1<<(i-1))&j){
						dp[j][i]=dp[j][i-1]+dp[j-(1<<(i-1))][i-1];
					}
					else{
						dp[j][i]=dp[j][i-1];
					}
				}
			}
			for(llo j=0;j<(1<<bb);j++){
				if(vis2[j]==1){
					if((j&ac2)>0){
						continue;
					}
					if((j|bc2)==j){
						zz+=dp[comp[j]][bb];
						
					}
				}
			}
			/*if(ii==1){
				cout<<zz<<"::"<<endl;
			}*/
			
			if(zz<n){
				n-=zz;
				vis3[ii]=1;
				continue;
			}

		}
		assert(n==1);
		vector<llo> ans;
		for(int i=1;i<=2*bb;i++){
			if(vis3[i]==1){
				ans.pb(i);
			}
		}
		cout<<ans.size()<<" ";
		for(auto j:ans){
			cout<<j<<" ";
		}
		cout<<endl;
	}
	/*cout<<zz<<endl;
	cout<<zz2<<endl;
	llo su=0;
	llo cot=1500000000;
	cot=1e6;
	for(llo i=1;i<=50;i++){
		llo cur=max(i-(i/3)-1,(llo)0);
		su+=(1LL<<cur);
		if(su>=cot){
			cout<<i<<endl;
			break;
		}
	}
*/




 
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:47:19: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |    for(llo k=0;k+1<tt.size();k++){
      |                ~~~^~~~~~~~~~
Main.cpp:79:19: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |    for(llo k=0;k+1<tt.size();k++){
      |                ~~~^~~~~~~~~~
Main.cpp:27:6: warning: unused variable 'zz' [-Wunused-variable]
   27 |  llo zz=0;
      |      ^~
Main.cpp:28:6: warning: unused variable 'zz2' [-Wunused-variable]
   28 |  llo zz2=0;
      |      ^~~
Main.cpp:31:6: warning: unused variable 'oo' [-Wunused-variable]
   31 |  llo oo=0;
      |      ^~
Main.cpp:32:6: warning: unused variable 'pp' [-Wunused-variable]
   32 |  llo pp=0;
      |      ^~
Main.cpp:60:7: warning: unused variable 'val5' [-Wunused-variable]
   60 |   llo val5=0;
      |       ^~~~

• Subtask 1: 8 / 8
• Subtask 2: 21 / 21
• Subtask 3: 0 / 41
• Subtask 4: 0 / 14
• Subtask 5: 0 / 16