oj.uz

Submission #376860

# Submission time Handle Problem Language Result Execution time Memory
376860 2021-03-12T05:47:04 Z 8e7 Minerals (JOI19_minerals) C++14
80 / 100
 61 ms 3456 KB 
//Challenge: Accepted
#include "minerals.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
#include <random>
#include <time.h>
#define ll long long
#define maxn 100005
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
int tot;
void solvewitha(vector<int> a, vector<int> b); //if there is still a
void solvewithb(vector<int> a, vector<int> b); //if there is still b
void solvebydel(vector<int> a, vector<int> b);
void solvebyadd(vector<int> a, vector<int> b);

void Solve(int N) {
	tot = N;
	int num = 0;
	vector<int> l, r;
	for (int i = 1;i <= 2 * N;i++) {
		int tmp = Query(i);
		if (tmp != num) l.push_back(i);
		else r.push_back(i);
		num = tmp;
	}
	//for (int i = 1;i <= 2 * N;i++) Query(i);
	solvebydel(l, r);
}

void adda(int & num, int mid, vector<int> &a, vector<int> & al, vector<int> &ar) {
	for (int i = 0;i < mid;i++) {
		num = Query(a[i]);
		al.push_back(a[i]);
	}
	for (int i = mid;i < a.size();i++) ar.push_back(a[i]);
}
void addb(int &num, vector<int> &b, vector<int> &bl, vector<int> &br, bool type) {
	//true if left of a is there, false otherwise
	for (int i = 0;i < b.size();i++) {
		int tmp = Query(b[i]);
		if ((tmp == num) == type) {
			bl.push_back(b[i]);
		} else {
			br.push_back(b[i]);
		}
		num = tmp;
	}
}
void solve2(vector<int> a, vector<int> b, bool type) { //type is true if add, false if del
	int num = Query(a[0]);
	bool res = (Query(b[0]) == num) ^ type;
	if (res) {
		Answer(a[1], b[0]);
		Answer(a[0], b[1]);
	} else {
		Answer(a[0], b[0]);
		Answer(a[1], b[1]);
	}
}
void solvewitha(vector<int> a, vector<int> b) {
	if (a.size() < 1) return;
	if (a.size() == 1) {
		//Query(a[0]);
		Answer(a[0], b[0]);
		return;
	}
	if (a.size() == 2) {
		/*
		int num = Query(a[0]);
		if (Query(b[0]) == num) {
			Answer(a[1], b[0]);
			Answer(a[0], b[1]);
		} else {
			Answer(a[0], b[0]);
			Answer(a[1], b[1]);
		}
		*/
		solve2(a, b, false);
		return;
	}
	vector<int> al, bl, ar, br;
	int num = 0, mid = (a.size() + 1) / 2;
	adda(num, mid, a, al, ar);
	addb(num, b, bl, br, false);
	solvewithb(al, bl);
	solvebydel(ar, br);
}
void solvewithb(vector<int> a, vector<int> b) {
	if (a.size() < 1) return;
	if (a.size() == 1) {
		//Query(b[0]);
		Answer(a[0], b[0]);
		return;
	}
	if (a.size() == 2) {
		solve2(a, b, true);
		return;
	}
	vector<int> al, bl, ar, br;
	int num = 0, mid = (a.size() + 1) / 2;
	adda(num, mid, a, al, ar);
	addb(num, b, bl, br, true);
	solvewitha(al, bl);
	solvebyadd(ar, br);
}

void solvebydel(vector<int> a, vector<int> b) {
	if (a.size() < 1) return;

	if (a.size() == 1) { //look here
		//Query(a[0]), Query(b[0]);
		Answer(a[0], b[0]);
		return;
	}
	if (a.size() == 2) {
		solve2(a, b, false);
		return;
	}
	vector<int> al, bl, ar, br;
	int num = 0, mid = (a.size() + 1) / 2;
	adda(num, mid, a, al, ar);
	addb(num, b, bl, br, false);

	solvebyadd(al, bl);
	solvewitha(ar, br);
}

void solvebyadd(vector<int> a, vector<int> b) {
	if (a.size() < 1) return;

	if (a.size() == 1) {
		Answer(a[0], b[0]);
		return;
	}
	if (a.size() == 2) {
		solve2(a, b, true);
		return;
	}
	vector<int> al, bl, ar, br;
	int num = 0, mid = (a.size() + 1) / 2;
	adda(num, mid, a, al, ar);
	addb(num, b, bl, br, true);

	solvebydel(al, bl);
	solvewithb(ar, br);
}
/*
4
1 5
2 6
3 4
7 8

 */

Compilation message

minerals.cpp: In function 'void adda(int&, int, std::vector<int>&, std::vector<int>&, std::vector<int>&)':
minerals.cpp:41:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for (int i = mid;i < a.size();i++) ar.push_back(a[i]);
      |                   ~~^~~~~~~~~~
minerals.cpp: In function 'void addb(int&, std::vector<int>&, std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for (int i = 0;i < b.size();i++) {
      |                 ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 4 ms 620 KB Output is correct
4 Correct 8 ms 876 KB Output is correct
5 Correct 18 ms 1516 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct
19 Correct 48 ms 3456 KB Output is correct
20 Correct 46 ms 3308 KB Output is correct
21 Correct 38 ms 3176 KB Output is correct
22 Correct 38 ms 3052 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct
19 Correct 48 ms 3456 KB Output is correct
20 Correct 46 ms 3308 KB Output is correct
21 Correct 38 ms 3176 KB Output is correct
22 Correct 38 ms 3052 KB Output is correct
23 Correct 48 ms 3308 KB Output is correct
24 Correct 61 ms 3456 KB Output is correct
25 Correct 48 ms 3176 KB Output is correct
26 Correct 47 ms 3052 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct
19 Correct 48 ms 3456 KB Output is correct
20 Correct 46 ms 3308 KB Output is correct
21 Correct 38 ms 3176 KB Output is correct
22 Correct 38 ms 3052 KB Output is correct
23 Correct 48 ms 3308 KB Output is correct
24 Correct 61 ms 3456 KB Output is correct
25 Correct 48 ms 3176 KB Output is correct
26 Correct 47 ms 3052 KB Output is correct
27 Incorrect 52 ms 3408 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct
19 Correct 48 ms 3456 KB Output is correct
20 Correct 46 ms 3308 KB Output is correct
21 Correct 38 ms 3176 KB Output is correct
22 Correct 38 ms 3052 KB Output is correct
23 Correct 48 ms 3308 KB Output is correct
24 Correct 61 ms 3456 KB Output is correct
25 Correct 48 ms 3176 KB Output is correct
26 Correct 47 ms 3052 KB Output is correct
27 Incorrect 52 ms 3408 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 18 ms 1516 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1096 KB Output is correct
12 Correct 21 ms 1388 KB Output is correct
13 Correct 14 ms 1436 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 44 ms 3180 KB Output is correct
16 Correct 48 ms 3308 KB Output is correct
17 Correct 37 ms 2976 KB Output is correct
18 Correct 44 ms 2924 KB Output is correct
19 Correct 48 ms 3456 KB Output is correct
20 Correct 46 ms 3308 KB Output is correct
21 Correct 38 ms 3176 KB Output is correct
22 Correct 38 ms 3052 KB Output is correct
23 Correct 48 ms 3308 KB Output is correct
24 Correct 61 ms 3456 KB Output is correct
25 Correct 48 ms 3176 KB Output is correct
26 Correct 47 ms 3052 KB Output is correct
27 Incorrect 52 ms 3408 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -