oj.uz

Submission #1068158

# Submission time Handle Problem Language Result Execution time Memory
1068158 2024-08-21T08:07:44 Z Faisal_Saqib Mechanical Doll (IOI18_doll) C++17
53 / 100
 117 ms 17488 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define vll vector<int>
#define ll int
void answer(std::vector<int> C, std::vector<int> X, std::vector<int> Y);
vector<int> XP,YP;
const int NM=4e5+10;
ll cp[NM],final[NM],label=0,father_of_all=-1;
vll fast_order(ll n)
{
    if(n==2)
        return {1,2};
    vll ans;
    ll hn=n/2;
    for(int i=1;i<=n;i+=2)
        ans.pb(i);
    vll hans(hn);
    vll np=fast_order(n/2);
    for(int j=0;j<hn;j++)
        hans[np[j]-1]=ans[j];
    ans.clear();
    for(auto i:hans)
        ans.pb(i);
    for(auto i:hans)
        ans.pb(i+1);
    return ans;
}
void label_it(vll p)
{
	if(p.size()==1)return;
	vll np;
	for(int i=0;i<p.size();i+=2)
	{
		label++;
		np.pb(-label);
		if(p[i]==-NM)// problem
			p[i]=father_of_all;
		if(p[i+1]==-NM)
			p[i+1]=father_of_all;
		XP.pb(p[i]);
		YP.pb(p[i+1]);
	}
	label_it(np);
}
void create_circuit(int m, std::vector<int> a)
{
	XP.clear();
	YP.clear();
	label=0;
	vector<int> ans(m+1);
	vector<int> child[m+2];
	vector<int> cur;
	cur.pb(0);
	for(int j=0;j<a.size();j++)
		cur.pb(a[j]);
	cur.pb(0);
	for(int j=1;j<cur.size();j++)
		child[cur[j-1]].push_back(cur[j]);
	int lps=0;
	for(int i=0;i<=m;i++)
	{
		if(child[i].size()==0)continue;
		if(child[i].size()==1)
		{
			ans[i]=child[i][0];
		}
		else
		{
			ll pw=1;
			while(child[i].size()>pw)
				pw*=2;
			ll cnt_minus=pw-(ll)child[i].size();
			for(int j=0,k=0;j<pw;)
			{
				if(cnt_minus>0)
				{
					cp[j]=-NM;
					cp[j+1]=child[i][k];
					k++;
					j+=2;
					cnt_minus--;
				}
				else
				{
					cp[j]=child[i][k];
					k++;
					j++;
				}
			}
			// for(int j=0;j<child[i].size();j++)
			// 	cp[j]=child[i][j];
			// for(int j=child[i].size();j<pw;j++)
			// 	cp[j]=-NM;
			vll order=fast_order(pw);
			vll fl(pw);
			for(int j=0;j<pw;j++)
			{
				order[j]--;
				fl[order[j]]=cp[j];
				final[order[j]]=cp[j];
			}
			// cout<<"final: ";
			// for(int j=0;j<pw;j++)
			// 	cout<<final[j]<<' ';
			// cout<<endl;
			// what switches?
			father_of_all=-label-pw+1;
			// pw then
			label_it(fl);
			// cout<<"AT "<<i<<' '<<label<<endl;;
			ans[i]=-label;
		}
		/*
		else if(child[i].size()==2) // solve atmost 2
		{
			// We need
			s++;
			ans[i]=-s;
			x.pb(child[i][0]);
			y.pb(child[i][1]);
		}
		else if(child[i].size()==3)
		{
			int s1=s+1;
			int s2=s+2;
			int s3=s+3;
			s+=3;
			ans[i]=-s1;
			// s1
				x.pb(-s2);
				y.pb(-s3);
			//s2
				x.pb(-s1);
				y.pb(child[i][1]);
			//s3
				x.pb(child[i][0]);
				y.pb(child[i][2]);
		}
		else if(child[i].size()==4)
		{
			int s1=s+1;
			int s2=s+2;
			int s3=s+3;
			s+=3;
			ans[i]=-s1;
			// s1
				x.pb(-s2);
				y.pb(-s3);
			//s2
				x.pb(child[i][0]);
				y.pb(child[i][2]);
			//s3
				x.pb(child[i][1]);
				y.pb(child[i][3]);
		}
		*/
	}
	// cout<<"ans\n";
	// for(int i=0;i<=m;i++)
	// {
	// 	cout<<ans[i]<<' ';
	// }
	// cout<<endl;
	// cout<<"xy\n";
	// for(int i=0;i<label;i++)
	// {
	// 	cout<<XP[i]<<' '<<YP[i]<<endl;
	// }
	answer(ans,XP,YP);
}

Compilation message

doll.cpp: In function 'void label_it(std::vector<int>)':
doll.cpp:33:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for(int i=0;i<p.size();i+=2)
      |              ~^~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:55:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |  for(int j=0;j<a.size();j++)
      |              ~^~~~~~~~~
doll.cpp:58:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for(int j=1;j<cur.size();j++)
      |              ~^~~~~~~~~~~
doll.cpp:71:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   71 |    while(child[i].size()>pw)
      |          ~~~~~~~~~~~~~~~^~~
doll.cpp:60:6: warning: unused variable 'lps' [-Wunused-variable]
   60 |  int lps=0;
      |      ^~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 31 ms 6820 KB Output is correct
3 Correct 19 ms 5588 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 27 ms 8148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 31 ms 6820 KB Output is correct
3 Correct 19 ms 5588 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 27 ms 8148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 39 ms 7796 KB Output is correct
9 Correct 39 ms 9168 KB Output is correct
10 Correct 55 ms 12232 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 31 ms 6820 KB Output is correct
3 Correct 19 ms 5588 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 27 ms 8148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 39 ms 7796 KB Output is correct
9 Correct 39 ms 9168 KB Output is correct
10 Correct 55 ms 12232 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 73 ms 11764 KB Output is correct
15 Correct 39 ms 6824 KB Output is correct
16 Correct 59 ms 9460 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 97 ms 11636 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
9.0000000036 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 32 ms 7992 KB Output is correct
3 Partially correct 47 ms 13292 KB Output is partially correct
4 Partially correct 59 ms 13404 KB Output is partially correct

Subtask #6
28.0000000112 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 32 ms 7992 KB Output is correct
3 Partially correct 47 ms 13292 KB Output is partially correct
4 Partially correct 59 ms 13404 KB Output is partially correct
5 Partially correct 84 ms 13212 KB Output is partially correct
6 Partially correct 117 ms 14048 KB Output is partially correct
7 Partially correct 81 ms 13936 KB Output is partially correct
8 Partially correct 80 ms 14228 KB Output is partially correct
9 Partially correct 49 ms 12876 KB Output is partially correct
10 Partially correct 79 ms 17488 KB Output is partially correct
11 Partially correct 74 ms 14020 KB Output is partially correct
12 Partially correct 44 ms 9712 KB Output is partially correct
13 Partially correct 54 ms 9244 KB Output is partially correct
14 Partially correct 53 ms 9132 KB Output is partially correct
15 Partially correct 54 ms 8892 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 41 ms 7676 KB Output is partially correct
18 Partially correct 35 ms 8616 KB Output is partially correct
19 Partially correct 37 ms 8252 KB Output is partially correct
20 Partially correct 69 ms 10480 KB Output is partially correct
21 Partially correct 63 ms 12736 KB Output is partially correct
22 Partially correct 51 ms 9972 KB Output is partially correct