oj.uz

Submission #710574

# Submission time Handle Problem Language Result Execution time Memory
710574 2023-03-15T11:28:51 Z LittleCube Minerals (JOI19_minerals) C++14
100 / 100
 47 ms 3804 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#define pii pair<int, int>
#define F first
#define S second
using namespace std;

int pre, cur;

bool change(int x)
{
	// cerr << "change " << x << '\n';
	cur = Query(x);
	swap(pre, cur);
	return pre != cur;
}

double multi = 0.4;


void solve(vector<int> X, vector<int> Y, bool bX, bool bY)
{	
	if(X.size() == 1)
	{
		Answer(X[0], Y[0]);
		return;
	}
	int N = X.size(), mid = (N >= 10 ? floor(multi * N) : N / 2);

	vector<int> lX(X.begin(), X.begin() + mid), rX(X.begin() + mid, X.end()), lY, rY;

	if(bX)
		for(int i = 0; i < mid; i++)
			change(X[i]);
	else
		for(int i = 0; i < mid; i++)
			change(X[i]);

	for(int i : Y)
	{		
		if(change(i) ^ bX)
			rY.emplace_back(i);
		else 
			lY.emplace_back(i);
		if(lY.size() == mid || rY.size() == N - mid)
			break;
	}
	if(lY.size() == mid)
		while(rY.size() < N - mid)
		{
			rY.emplace_back(Y.back());
			Y.pop_back();
		}
	else
		while(lY.size() < mid)
		{
			lY.emplace_back(Y.back());
			Y.pop_back();
		}

	solve(lX, lY, !bX, !bY);
	solve(rX, rY, bX, !bY);

}

void Solve(int N)
{
	//cin >> multi;
	pre = cur = 0;
	vector<int> X, Y;

	//mt19937 rd(std::chrono::steady_clock::now().time_since_epoch().count());

	for(int i = 1; i <= 2 * N; i++)
	{
		if(change(i))
			X.emplace_back(i);
		else
			Y.emplace_back(i);
	}
	//shuffle(X.begin(), X.end(), rd);
	//shuffle(Y.begin(), Y.end(), rd);
	solve(X, Y, 1, 1);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>, bool, bool)':
minerals.cpp:45:16: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |   if(lY.size() == mid || rY.size() == N - mid)
      |      ~~~~~~~~~~^~~~~~
minerals.cpp:45:36: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |   if(lY.size() == mid || rY.size() == N - mid)
      |                          ~~~~~~~~~~^~~~~~~~~~
minerals.cpp:48:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   48 |  if(lY.size() == mid)
      |     ~~~~~~~~~~^~~~~~
minerals.cpp:49:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |   while(rY.size() < N - mid)
      |         ~~~~~~~~~~^~~~~~~~~
minerals.cpp:55:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   55 |   while(lY.size() < mid)
      |         ~~~~~~~~~~^~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 4 ms 624 KB Output is correct
4 Correct 6 ms 848 KB Output is correct
5 Correct 13 ms 1436 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct
19 Correct 37 ms 3388 KB Output is correct
20 Correct 36 ms 3452 KB Output is correct
21 Correct 29 ms 3396 KB Output is correct
22 Correct 28 ms 3272 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct
19 Correct 37 ms 3388 KB Output is correct
20 Correct 36 ms 3452 KB Output is correct
21 Correct 29 ms 3396 KB Output is correct
22 Correct 28 ms 3272 KB Output is correct
23 Correct 37 ms 3528 KB Output is correct
24 Correct 45 ms 3496 KB Output is correct
25 Correct 33 ms 3580 KB Output is correct
26 Correct 32 ms 3420 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct
19 Correct 37 ms 3388 KB Output is correct
20 Correct 36 ms 3452 KB Output is correct
21 Correct 29 ms 3396 KB Output is correct
22 Correct 28 ms 3272 KB Output is correct
23 Correct 37 ms 3528 KB Output is correct
24 Correct 45 ms 3496 KB Output is correct
25 Correct 33 ms 3580 KB Output is correct
26 Correct 32 ms 3420 KB Output is correct
27 Correct 38 ms 3676 KB Output is correct
28 Correct 39 ms 3560 KB Output is correct
29 Correct 29 ms 3620 KB Output is correct
30 Correct 28 ms 3480 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct
19 Correct 37 ms 3388 KB Output is correct
20 Correct 36 ms 3452 KB Output is correct
21 Correct 29 ms 3396 KB Output is correct
22 Correct 28 ms 3272 KB Output is correct
23 Correct 37 ms 3528 KB Output is correct
24 Correct 45 ms 3496 KB Output is correct
25 Correct 33 ms 3580 KB Output is correct
26 Correct 32 ms 3420 KB Output is correct
27 Correct 38 ms 3676 KB Output is correct
28 Correct 39 ms 3560 KB Output is correct
29 Correct 29 ms 3620 KB Output is correct
30 Correct 28 ms 3480 KB Output is correct
31 Correct 37 ms 3652 KB Output is correct
32 Correct 38 ms 3692 KB Output is correct
33 Correct 31 ms 3676 KB Output is correct
34 Correct 31 ms 3620 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 4 ms 624 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 13 ms 1436 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 15 ms 1500 KB Output is correct
13 Correct 12 ms 1464 KB Output is correct
14 Correct 11 ms 1488 KB Output is correct
15 Correct 39 ms 3404 KB Output is correct
16 Correct 36 ms 3404 KB Output is correct
17 Correct 33 ms 3368 KB Output is correct
18 Correct 31 ms 3196 KB Output is correct
19 Correct 37 ms 3388 KB Output is correct
20 Correct 36 ms 3452 KB Output is correct
21 Correct 29 ms 3396 KB Output is correct
22 Correct 28 ms 3272 KB Output is correct
23 Correct 37 ms 3528 KB Output is correct
24 Correct 45 ms 3496 KB Output is correct
25 Correct 33 ms 3580 KB Output is correct
26 Correct 32 ms 3420 KB Output is correct
27 Correct 38 ms 3676 KB Output is correct
28 Correct 39 ms 3560 KB Output is correct
29 Correct 29 ms 3620 KB Output is correct
30 Correct 28 ms 3480 KB Output is correct
31 Correct 37 ms 3652 KB Output is correct
32 Correct 38 ms 3692 KB Output is correct
33 Correct 31 ms 3676 KB Output is correct
34 Correct 31 ms 3620 KB Output is correct
35 Correct 40 ms 3740 KB Output is correct
36 Correct 47 ms 3804 KB Output is correct
37 Correct 32 ms 3692 KB Output is correct
38 Correct 35 ms 3624 KB Output is correct