oj.uz

Submission #617882

# Submission time Handle Problem Language Result Execution time Memory
617882 2022-08-01T16:17:02 Z errorgorn Minerals (JOI19_minerals) C++17
100 / 100
 442 ms 6888 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;

void solve(vector<int> l,vector<int> r,bool in){
	int n=sz(l);
	if (n==0) return;
	
	if (n==1){
		Answer(l[0],r[0]);
	}
	else{
		vector<int> l1,l2;
		vector<int> r1,r2;
		
		rep(x,0,best[n]) l1.pub(l[x]);
		rep(x,best[n],n) l2.pub(l[x]);
		
		for (auto it:l1) same(it);
		for (auto it:r){
			if (sz(l1)==sz(r1)) r2.pub(it);
			else if (sz(l2)==sz(r2)) r1.pub(it);
			else if (same(it) != in) r1.pub(it);
			else r2.pub(it);
		}
		
		solve(l1,r1,!in);
		solve(l2,r2,in);
	}
}

vector<int> get(vector<int> v){
	vector<int> l,r;
	rep(x,0,sz(v)){
		if (same(v[x])) r.pub(v[x]);
		else l.pub(v[x]);
	}
	
	vector<int> good,bad;
	for (auto it:l){
		if (same(it)) good.pub(it);
		else bad.pub(it);
	}
	
	solve(good,r,false);
	return bad;
}

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]);
	
	solve(get(l),get(r),false);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 286 ms 1104 KB Output is correct
2 Correct 263 ms 1388 KB Output is correct
3 Correct 269 ms 1560 KB Output is correct
4 Correct 269 ms 2056 KB Output is correct
5 Correct 278 ms 3084 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct
19 Correct 317 ms 6356 KB Output is correct
20 Correct 329 ms 6308 KB Output is correct
21 Correct 378 ms 6320 KB Output is correct
22 Correct 347 ms 6260 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct
19 Correct 317 ms 6356 KB Output is correct
20 Correct 329 ms 6308 KB Output is correct
21 Correct 378 ms 6320 KB Output is correct
22 Correct 347 ms 6260 KB Output is correct
23 Correct 326 ms 6456 KB Output is correct
24 Correct 321 ms 6460 KB Output is correct
25 Correct 349 ms 6480 KB Output is correct
26 Correct 318 ms 6328 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct
19 Correct 317 ms 6356 KB Output is correct
20 Correct 329 ms 6308 KB Output is correct
21 Correct 378 ms 6320 KB Output is correct
22 Correct 347 ms 6260 KB Output is correct
23 Correct 326 ms 6456 KB Output is correct
24 Correct 321 ms 6460 KB Output is correct
25 Correct 349 ms 6480 KB Output is correct
26 Correct 318 ms 6328 KB Output is correct
27 Correct 326 ms 6572 KB Output is correct
28 Correct 340 ms 6640 KB Output is correct
29 Correct 307 ms 6568 KB Output is correct
30 Correct 321 ms 6324 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct
19 Correct 317 ms 6356 KB Output is correct
20 Correct 329 ms 6308 KB Output is correct
21 Correct 378 ms 6320 KB Output is correct
22 Correct 347 ms 6260 KB Output is correct
23 Correct 326 ms 6456 KB Output is correct
24 Correct 321 ms 6460 KB Output is correct
25 Correct 349 ms 6480 KB Output is correct
26 Correct 318 ms 6328 KB Output is correct
27 Correct 326 ms 6572 KB Output is correct
28 Correct 340 ms 6640 KB Output is correct
29 Correct 307 ms 6568 KB Output is correct
30 Correct 321 ms 6324 KB Output is correct
31 Correct 338 ms 6652 KB Output is correct
32 Correct 307 ms 6748 KB Output is correct
33 Correct 316 ms 6688 KB Output is correct
34 Correct 376 ms 6492 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1060 KB Output is correct
2 Correct 269 ms 968 KB Output is correct
3 Correct 262 ms 1092 KB Output is correct
4 Correct 267 ms 1096 KB Output is correct
5 Correct 286 ms 1104 KB Output is correct
6 Correct 263 ms 1388 KB Output is correct
7 Correct 269 ms 1560 KB Output is correct
8 Correct 269 ms 2056 KB Output is correct
9 Correct 278 ms 3084 KB Output is correct
10 Correct 262 ms 1184 KB Output is correct
11 Correct 299 ms 2408 KB Output is correct
12 Correct 291 ms 3108 KB Output is correct
13 Correct 295 ms 3048 KB Output is correct
14 Correct 291 ms 2988 KB Output is correct
15 Correct 442 ms 6096 KB Output is correct
16 Correct 316 ms 6052 KB Output is correct
17 Correct 321 ms 6108 KB Output is correct
18 Correct 341 ms 5876 KB Output is correct
19 Correct 317 ms 6356 KB Output is correct
20 Correct 329 ms 6308 KB Output is correct
21 Correct 378 ms 6320 KB Output is correct
22 Correct 347 ms 6260 KB Output is correct
23 Correct 326 ms 6456 KB Output is correct
24 Correct 321 ms 6460 KB Output is correct
25 Correct 349 ms 6480 KB Output is correct
26 Correct 318 ms 6328 KB Output is correct
27 Correct 326 ms 6572 KB Output is correct
28 Correct 340 ms 6640 KB Output is correct
29 Correct 307 ms 6568 KB Output is correct
30 Correct 321 ms 6324 KB Output is correct
31 Correct 338 ms 6652 KB Output is correct
32 Correct 307 ms 6748 KB Output is correct
33 Correct 316 ms 6688 KB Output is correct
34 Correct 376 ms 6492 KB Output is correct
35 Correct 330 ms 6764 KB Output is correct
36 Correct 328 ms 6736 KB Output is correct
37 Correct 343 ms 6888 KB Output is correct
38 Correct 313 ms 6552 KB Output is correct