oj.uz

Submission #901546

# Submission time Handle Problem Language Result Execution time Memory
901546 2024-01-09T14:16:25 Z Darren0724 Minerals (JOI19_minerals) C++17
90 / 100
 55 ms 4240 KB 
#include "minerals.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;

mt19937 rnd(time(0));
int last=0;
vector<int> have(100000);
int ask(int k){
	have[k] ^= 1;
	int p = Query(k);
	int tmp = p - last;
	last = p;
	return tmp; 
}
void dc(vector<int> &a,vector<int> &b){
	int n=a.size();
	if(n==1){
		Answer(a[0],b[0]);
		return;
	}
	int m=max(1,n*48/100);
	int sz1=0,sz2=0;
	vector<int> a1,a2,b1,b2,tmp1,tmp2;
	for(int i=0;i<n;i++){
		if(have[a[i]]){
			sz1++;
		}
		if(have[b[i]]){
			sz2++;
		}
	}
	if(abs(m-sz2)<abs(m-sz1)){
		swap(a,b);
		swap(tmp1,tmp2);
		swap(sz1,sz2);
	}
	for(int i=0;i<n;i++){
		if(have[a[i]]){
			tmp1.push_back(a[i]);
		}
		else{
			tmp2.push_back(a[i]);
		}
	}
	if(sz1>m){
		int t=abs(m-sz1);
		for(int i=0;i<t;i++){
			ask(tmp1[i]);
		}
	}	
	else{
		int t=abs(m-sz1);
		for(int i=0;i<t;i++){
			ask(tmp2[i]);
		}
	}
	for(int i=0;i<n;i++){
		if(have[a[i]]){
			a1.push_back(a[i]);
		}
		else{
			a2.push_back(a[i]);
		}	
	}
	shuffle(b.begin(),b.end(),rnd);
	int cnt=0;
	for(int i=0;i<n;i++){
		if(cnt==m){
			b2.push_back(b[i]);
			continue;
		}
		if(ask(b[i])==0){
			cnt++;
			b1.push_back(b[i]);
		}
		else{
			b2.push_back(b[i]);
		}
	}
	dc(a1,b1);
	dc(a2,b2);
}
void Solve(int n) {
	vector<int> a,b;
	vector<int> t(n*2);
	iota(t.begin(),t.end(),1);
	shuffle(t.begin(),t.end(),rnd);
	for(int j=0;j<n*2;j++){
		int i=t[j];
		if(ask(i)==0){
			b.push_back(i);
		}
		else{
			a.push_back(i);
		}
	}
	dc(a,b);
}
/*
times: N*2 + N log N * 3/2
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 2 ms 856 KB Output is correct
3 Correct 4 ms 1112 KB Output is correct
4 Correct 8 ms 1420 KB Output is correct
5 Correct 16 ms 1952 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct
19 Correct 47 ms 3844 KB Output is correct
20 Correct 45 ms 3796 KB Output is correct
21 Correct 44 ms 4172 KB Output is correct
22 Correct 44 ms 3964 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct
19 Correct 47 ms 3844 KB Output is correct
20 Correct 45 ms 3796 KB Output is correct
21 Correct 44 ms 4172 KB Output is correct
22 Correct 44 ms 3964 KB Output is correct
23 Correct 47 ms 3848 KB Output is correct
24 Correct 46 ms 3856 KB Output is correct
25 Correct 47 ms 4208 KB Output is correct
26 Correct 45 ms 3988 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct
19 Correct 47 ms 3844 KB Output is correct
20 Correct 45 ms 3796 KB Output is correct
21 Correct 44 ms 4172 KB Output is correct
22 Correct 44 ms 3964 KB Output is correct
23 Correct 47 ms 3848 KB Output is correct
24 Correct 46 ms 3856 KB Output is correct
25 Correct 47 ms 4208 KB Output is correct
26 Correct 45 ms 3988 KB Output is correct
27 Correct 55 ms 3964 KB Output is correct
28 Correct 48 ms 4000 KB Output is correct
29 Correct 49 ms 3864 KB Output is correct
30 Correct 47 ms 3716 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct
19 Correct 47 ms 3844 KB Output is correct
20 Correct 45 ms 3796 KB Output is correct
21 Correct 44 ms 4172 KB Output is correct
22 Correct 44 ms 3964 KB Output is correct
23 Correct 47 ms 3848 KB Output is correct
24 Correct 46 ms 3856 KB Output is correct
25 Correct 47 ms 4208 KB Output is correct
26 Correct 45 ms 3988 KB Output is correct
27 Correct 55 ms 3964 KB Output is correct
28 Correct 48 ms 4000 KB Output is correct
29 Correct 49 ms 3864 KB Output is correct
30 Correct 47 ms 3716 KB Output is correct
31 Correct 48 ms 3860 KB Output is correct
32 Correct 49 ms 4008 KB Output is correct
33 Correct 47 ms 4216 KB Output is correct
34 Correct 47 ms 3672 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 856 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 2 ms 856 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 8 ms 1420 KB Output is correct
9 Correct 16 ms 1952 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 11 ms 1436 KB Output is correct
12 Correct 16 ms 1984 KB Output is correct
13 Correct 16 ms 2196 KB Output is correct
14 Correct 16 ms 2196 KB Output is correct
15 Correct 46 ms 3776 KB Output is correct
16 Correct 52 ms 4240 KB Output is correct
17 Correct 45 ms 4136 KB Output is correct
18 Correct 43 ms 3660 KB Output is correct
19 Correct 47 ms 3844 KB Output is correct
20 Correct 45 ms 3796 KB Output is correct
21 Correct 44 ms 4172 KB Output is correct
22 Correct 44 ms 3964 KB Output is correct
23 Correct 47 ms 3848 KB Output is correct
24 Correct 46 ms 3856 KB Output is correct
25 Correct 47 ms 4208 KB Output is correct
26 Correct 45 ms 3988 KB Output is correct
27 Correct 55 ms 3964 KB Output is correct
28 Correct 48 ms 4000 KB Output is correct
29 Correct 49 ms 3864 KB Output is correct
30 Correct 47 ms 3716 KB Output is correct
31 Correct 48 ms 3860 KB Output is correct
32 Correct 49 ms 4008 KB Output is correct
33 Correct 47 ms 4216 KB Output is correct
34 Correct 47 ms 3672 KB Output is correct
35 Incorrect 48 ms 4032 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -