oj.uz

Submission #376851

# Submission time Handle Problem Language Result Execution time Memory
376851 2021-03-12T05:33:47 Z 8e7 Minerals (JOI19_minerals) C++14
70 / 100
 52 ms 3372 KB 
//Challenge: Accepted
#include "minerals.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
#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 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;
	}
	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;
	}
	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;
	}

	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) { //look here
		Answer(a[0], b[0]);
		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:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  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:43:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |  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 2 ms 364 KB Output is correct
2 Correct 3 ms 492 KB Output is correct
3 Correct 5 ms 620 KB Output is correct
4 Correct 9 ms 1004 KB Output is correct
5 Correct 18 ms 1388 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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct

Subtask #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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct
19 Incorrect 52 ms 3372 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #6
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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct
19 Incorrect 52 ms 3372 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct
19 Incorrect 52 ms 3372 KB Wrong Answer [2]
20 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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct
19 Incorrect 52 ms 3372 KB Wrong Answer [2]
20 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 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 9 ms 1004 KB Output is correct
9 Correct 18 ms 1388 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 12 ms 1132 KB Output is correct
12 Correct 18 ms 1388 KB Output is correct
13 Correct 20 ms 1388 KB Output is correct
14 Correct 17 ms 1388 KB Output is correct
15 Correct 52 ms 3308 KB Output is correct
16 Correct 51 ms 3180 KB Output is correct
17 Correct 46 ms 3048 KB Output is correct
18 Correct 50 ms 3016 KB Output is correct
19 Incorrect 52 ms 3372 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -