oj.uz

Submission #901535

# Submission time Handle Problem Language Result Execution time Memory
901535 2024-01-09T14:13:22 Z Darren0724 Minerals (JOI19_minerals) C++17
80 / 100
 36 ms 4224 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=n/2;
	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]);
		}	
	}
	for(int i=0;i<n;i++){
		if(ask(b[i])==0){
			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 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
4 Correct 6 ms 1368 KB Output is correct
5 Correct 11 ms 1880 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 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 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 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 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 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 KB Output is correct
19 Correct 34 ms 3792 KB Output is correct
20 Correct 35 ms 3576 KB Output is correct
21 Correct 34 ms 3804 KB Output is correct
22 Correct 33 ms 4116 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 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 KB Output is correct
19 Correct 34 ms 3792 KB Output is correct
20 Correct 35 ms 3576 KB Output is correct
21 Correct 34 ms 3804 KB Output is correct
22 Correct 33 ms 4116 KB Output is correct
23 Correct 35 ms 3804 KB Output is correct
24 Correct 35 ms 3856 KB Output is correct
25 Correct 36 ms 4224 KB Output is correct
26 Correct 35 ms 4060 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 KB Output is correct
19 Correct 34 ms 3792 KB Output is correct
20 Correct 35 ms 3576 KB Output is correct
21 Correct 34 ms 3804 KB Output is correct
22 Correct 33 ms 4116 KB Output is correct
23 Correct 35 ms 3804 KB Output is correct
24 Correct 35 ms 3856 KB Output is correct
25 Correct 36 ms 4224 KB Output is correct
26 Correct 35 ms 4060 KB Output is correct
27 Incorrect 36 ms 3948 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 KB Output is correct
19 Correct 34 ms 3792 KB Output is correct
20 Correct 35 ms 3576 KB Output is correct
21 Correct 34 ms 3804 KB Output is correct
22 Correct 33 ms 4116 KB Output is correct
23 Correct 35 ms 3804 KB Output is correct
24 Correct 35 ms 3856 KB Output is correct
25 Correct 36 ms 4224 KB Output is correct
26 Correct 35 ms 4060 KB Output is correct
27 Incorrect 36 ms 3948 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 856 KB Output is correct
3 Correct 0 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 3 ms 1112 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 8 ms 1624 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 11 ms 1880 KB Output is correct
14 Correct 13 ms 1692 KB Output is correct
15 Correct 33 ms 3580 KB Output is correct
16 Correct 34 ms 3580 KB Output is correct
17 Correct 33 ms 3736 KB Output is correct
18 Correct 33 ms 3548 KB Output is correct
19 Correct 34 ms 3792 KB Output is correct
20 Correct 35 ms 3576 KB Output is correct
21 Correct 34 ms 3804 KB Output is correct
22 Correct 33 ms 4116 KB Output is correct
23 Correct 35 ms 3804 KB Output is correct
24 Correct 35 ms 3856 KB Output is correct
25 Correct 36 ms 4224 KB Output is correct
26 Correct 35 ms 4060 KB Output is correct
27 Incorrect 36 ms 3948 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -