oj.uz

Submission #619996

# Submission time Handle Problem Language Result Execution time Memory
619996 2022-08-02T18:23:28 Z errorgorn Minerals (JOI19_minerals) C++17
80 / 100
 372 ms 18568 KB 
#include "minerals.h"
 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define ii pair<int,int>
#define fi first
#define se second
 
#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
 
#define rep(x,s,e) for (int x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e))?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()
 
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
 
int num[50005];
int best[50005];
 
int CURR=0;
bool same(int x){
	int temp=Query(x);
	int res=CURR==temp;
	CURR=temp;
	return res;
}
 
int n;

vector<int> v; //singles
vector<ii> v2; //pairs
int B1,B2;

map<int,int> pos;

struct node{
	int len;
	vector<int> l; //indices
	node *L=nullptr,*R=nullptr;
	
	node (int _len){
		len=_len;
		
		if (len==1){
			l={v.back()}; v.pob();
		}
		else if (len==2 && !v2.empty()){
			l={v2.back().fi,v2.back().se}; v2.pob();
		}
		else{
			L=new node(best[len]);
			R=new node(len-best[len]);
			
			for (auto it:L->l) l.pub(it);
			for (auto it:R->l) l.pub(it);
		}
	}
	
	void solve(vector<int> r,bool in){
		shuffle(all(r),rng);
		
		if (L==nullptr){
			if (sz(r)==2){
				if (pos[r[0]]>pos[r[1]]) swap(r[0],r[1]);
				
				if (pos[r[0]]<B1){
					Answer(l[0],r[0]);
					Answer(l[1],r[1]);
					return;
				}
				else{
					v=l;
					L=new node(1);
					R=new node(1);
				}
			}
			else{
				Answer(l[0],r[0]);
				return;
			}
		}
		
		for (auto it:L->l) same(it);
		
		vector<int> r1,r2;
		for (auto it:r){
			if (sz(L->l)==sz(r1)) r2.pub(it);
			else if (sz(R->l)==sz(r2)) r1.pub(it);
			else if (same(it) != in) r1.pub(it);
			else r2.pub(it);
		}
		
		L->solve(r1,!in);
		R->solve(r2,in);
	}
} *root;

vector<int> get(vector<int> inp){
	vector<int> temp,r;
	rep(x,0,sz(inp)){
		if (same(inp[x])) r.pub(inp[x]);
		else temp.pub(inp[x]);
	}
	
	vector<int> l,oth;
	for (auto it:temp){
		if (same(it)) l.pub(it);
		else oth.pub(it);
	}
	
	B1=max(0LL,sz(l)/4-50);
	B2=max(0LL,sz(l)/4);
	
	rep(x,0,B2) v2.pub({l[x],l[sz(l)-1-x]});
	rep(x,B2,sz(l)-B2) v.pub(l[x]);
	root=new node(sz(l));
	
	rep(x,0,sz(r)) pos[r[x]]=x;
	root->solve(r,false);
	
	return oth;
}
 
void Solve(signed N) {
	num[1]=0;
	rep(x,2,50005){
		num[x]=1e9;
		int l=max(1LL,(int)(x*0.25)),r=min(x,(int)(x*0.4)+2);
		
		rep(y,l,r) if (num[x]>num[y]+num[x-y]+x+y){
			num[x]=num[y]+num[x-y]+x+y;
			best[x]=y;
		}
	}
	
	n=N;
	
	vector<int> idx;
	rep(x,1,2*n+1) idx.pub(x);
	shuffle(all(idx),rng);
	
	vector<int> l,r;
	rep(x,0,n) l.pub(idx[x]);
	rep(x,n,2*n) r.pub(idx[x]);
	
	l=get(l),r=get(r);
	if (sz(l)==0) return;
	v=l;
	root=new node(sz(l));
	root->solve(r,false);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 291 ms 1380 KB Output is correct
2 Correct 270 ms 1784 KB Output is correct
3 Correct 267 ms 2568 KB Output is correct
4 Correct 277 ms 4200 KB Output is correct
5 Correct 291 ms 7176 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct
19 Correct 372 ms 17724 KB Output is correct
20 Correct 350 ms 17676 KB Output is correct
21 Correct 328 ms 17740 KB Output is correct
22 Correct 333 ms 17664 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct
19 Correct 372 ms 17724 KB Output is correct
20 Correct 350 ms 17676 KB Output is correct
21 Correct 328 ms 17740 KB Output is correct
22 Correct 333 ms 17664 KB Output is correct
23 Correct 341 ms 18044 KB Output is correct
24 Correct 370 ms 18244 KB Output is correct
25 Correct 327 ms 18148 KB Output is correct
26 Correct 347 ms 17944 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct
19 Correct 372 ms 17724 KB Output is correct
20 Correct 350 ms 17676 KB Output is correct
21 Correct 328 ms 17740 KB Output is correct
22 Correct 333 ms 17664 KB Output is correct
23 Correct 341 ms 18044 KB Output is correct
24 Correct 370 ms 18244 KB Output is correct
25 Correct 327 ms 18148 KB Output is correct
26 Correct 347 ms 17944 KB Output is correct
27 Correct 362 ms 18568 KB Output is correct
28 Correct 337 ms 18532 KB Output is correct
29 Correct 342 ms 18480 KB Output is correct
30 Incorrect 279 ms 8156 KB Wrong Answer [5]
31 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct
19 Correct 372 ms 17724 KB Output is correct
20 Correct 350 ms 17676 KB Output is correct
21 Correct 328 ms 17740 KB Output is correct
22 Correct 333 ms 17664 KB Output is correct
23 Correct 341 ms 18044 KB Output is correct
24 Correct 370 ms 18244 KB Output is correct
25 Correct 327 ms 18148 KB Output is correct
26 Correct 347 ms 17944 KB Output is correct
27 Correct 362 ms 18568 KB Output is correct
28 Correct 337 ms 18532 KB Output is correct
29 Correct 342 ms 18480 KB Output is correct
30 Incorrect 279 ms 8156 KB Wrong Answer [5]
31 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 1184 KB Output is correct
2 Correct 262 ms 1068 KB Output is correct
3 Correct 273 ms 1060 KB Output is correct
4 Correct 260 ms 1072 KB Output is correct
5 Correct 291 ms 1380 KB Output is correct
6 Correct 270 ms 1784 KB Output is correct
7 Correct 267 ms 2568 KB Output is correct
8 Correct 277 ms 4200 KB Output is correct
9 Correct 291 ms 7176 KB Output is correct
10 Correct 269 ms 1360 KB Output is correct
11 Correct 279 ms 5292 KB Output is correct
12 Correct 297 ms 7276 KB Output is correct
13 Correct 284 ms 7320 KB Output is correct
14 Correct 285 ms 7140 KB Output is correct
15 Correct 339 ms 17212 KB Output is correct
16 Correct 334 ms 17232 KB Output is correct
17 Correct 341 ms 17224 KB Output is correct
18 Correct 327 ms 17156 KB Output is correct
19 Correct 372 ms 17724 KB Output is correct
20 Correct 350 ms 17676 KB Output is correct
21 Correct 328 ms 17740 KB Output is correct
22 Correct 333 ms 17664 KB Output is correct
23 Correct 341 ms 18044 KB Output is correct
24 Correct 370 ms 18244 KB Output is correct
25 Correct 327 ms 18148 KB Output is correct
26 Correct 347 ms 17944 KB Output is correct
27 Correct 362 ms 18568 KB Output is correct
28 Correct 337 ms 18532 KB Output is correct
29 Correct 342 ms 18480 KB Output is correct
30 Incorrect 279 ms 8156 KB Wrong Answer [5]
31 Halted 0 ms 0 KB -