oj.uz

Submission #156908

# Submission time Handle Problem Language Result Execution time Memory
156908 2019-10-08T08:43:36 Z popovicirobert Minerals (JOI19_minerals) C++14
40 / 100
 80 ms 2672 KB 
#include "minerals.h"
#include <bits/stdc++.h>

using namespace std;

void solve(vector <int> &l, vector <int> &r, bool ok) {
	if(l.empty()) {
		return ;
	}
	if(l.size() == 1) {
		Answer(l[0], r[0]);
		return ;
	}

	random_shuffle(l.begin(), l.end());
	random_shuffle(r.begin(), r.end());
	
	int mid = (0 + l.size()) / 2 - 1;
	vector <int> l1, l2;
	int i, ans = 0;
	for(i = 0; i <= mid; i++) {
		l1.push_back(l[i]);
		ans = Query(l[i]);
	}
	for(i = mid + 1; i < l.size(); i++) {
		l2.push_back(l[i]);
	}
	vector <int> r1, r2;
	for(i = 0; i < r.size(); i++) {
		if(r1.size() == l1.size()) {
			r2.push_back(r[i]);
			continue;
		}
		if(r2.size() == l2.size()) {
			r1.push_back(r[i]);
			continue;
		}
		int cur = Query(r[i]);
		if(cur == ans) {
			if(ok == 0) {
				r1.push_back(r[i]);
			}
			else {
				r2.push_back(r[i]);
			}
		}
		else {
			if(ok == 0) {
				r2.push_back(r[i]);
			}
			else {
				r1.push_back(r[i]);
			}
		}
		Query(r[i]);
	}

	solve(l1, r1, ok ^ 1);
	solve(l2, r2, ok);
}

void Solve(int n) {
	srand(time(NULL));
	vector <int> l, r;
	int ans = 0;
	for(int i = 0; i < 2 * n; i++) {
		int cur = Query(i + 1);
		if(cur == ans) {
			l.push_back(i + 1);
		}
		else {
			r.push_back(i + 1);
		}
		ans = cur;
	}
	solve(l, r, 1);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:25:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i = mid + 1; i < l.size(); i++) {
                   ~~^~~~~~~~~~
minerals.cpp:29:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i = 0; i < r.size(); i++) {
             ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 9 ms 504 KB Output is correct
4 Correct 18 ms 632 KB Output is correct
5 Correct 36 ms 1016 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 9 ms 504 KB Output is correct
8 Correct 18 ms 632 KB Output is correct
9 Correct 36 ms 1016 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 24 ms 1016 KB Output is correct
12 Correct 36 ms 1272 KB Output is correct
13 Correct 36 ms 1156 KB Output is correct
14 Correct 35 ms 1144 KB Output is correct
15 Incorrect 80 ms 2672 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -