oj.uz

Submission #1068320

# Submission time Handle Problem Language Result Execution time Memory
1068320 2024-08-21T09:15:35 Z quangminh412 Detecting Molecules (IOI16_molecules) C++14
9 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;

/*
  John Watson
  https://codeforces.com/profile/quangminh98

  Mua Code nhu mua Florentino !!
*/

#define faster() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long

const int oo = 1e9;

vector<int> solve_1(int l, int u, vector<int> w)
{
	vector<int> ans;
	int cur = 0;
	for (int i = 0; i < w.size(); i++)
	{
		cur += w[i];
		ans.push_back(i);
		if (l <= cur && cur <= u)
			return ans;
	}
	return {};
}

vector<int> solve_2(int l, int u, vector<int> w)
{
	vector<pair<int, int>> c1, c2;
	for (int i = 0; i < w.size(); i++)
	{
		if (w[i] == w[0])
			c1.push_back(make_pair(w[i], i));
		else
			c2.push_back(make_pair(w[i], i));
	}
	
	for (int i = 0; i < c1.size(); i++)
		for (int j = 0; j < c2.size(); j++)
		{
			vector<int> ans;
			int sum = 0;
			for (int k = 0; k <= i; k++) ans.push_back(c1[i].second), sum += c1[i].first;
			for (int k = 0; k <= j; k++) ans.push_back(c2[j].second), sum += c2[j].first;
			if (l <= sum && sum <= u)
				return ans;
		}
	return {};
}

vector<int> find_subset(int l, int u, vector<int> w)
{
	// sub1
	bool sub1 = true;
	for (int i = 1; i < w.size(); i++)
		if (w[i] != w[i - 1])
			sub1 = false;
	if (sub1 == true)
		return solve_1(l, u, w);
	// sub2
	int mn = oo, mx = 0;
	for (int i = 1; i < w.size(); i++)
	{
		mn = min(mn, w[i]);
		mx = max(mx, w[i]);
	}
	if (mx - mn <= 1)
		return solve_2(l, u, w);
	// sub3
}

Compilation message

molecules.cpp: In function 'std::vector<int> solve_1(int, int, std::vector<int>)':
molecules.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i = 0; i < w.size(); i++)
      |                  ~~^~~~~~~~~~
molecules.cpp: In function 'std::vector<int> solve_2(int, int, std::vector<int>)':
molecules.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for (int i = 0; i < w.size(); i++)
      |                  ~~^~~~~~~~~~
molecules.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for (int i = 0; i < c1.size(); i++)
      |                  ~~^~~~~~~~~~~
molecules.cpp:42:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for (int j = 0; j < c2.size(); j++)
      |                   ~~^~~~~~~~~~~
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for (int i = 1; i < w.size(); i++)
      |                  ~~^~~~~~~~~~
molecules.cpp:65:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |  for (int i = 1; i < w.size(); i++)
      |                  ~~^~~~~~~~~~
molecules.cpp:73:1: warning: control reaches end of non-void function [-Wreturn-type]
   73 | }
      | ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB OK (n = 1, answer = NO)
2 Correct 0 ms 348 KB OK (n = 1, answer = NO)
3 Correct 0 ms 348 KB OK (n = 1, answer = YES)
4 Correct 0 ms 348 KB OK (n = 2, answer = YES)
5 Correct 0 ms 348 KB OK (n = 2, answer = YES)
6 Correct 0 ms 348 KB OK (n = 3, answer = YES)
7 Correct 1 ms 348 KB OK (n = 3, answer = YES)
8 Correct 0 ms 348 KB OK (n = 3, answer = YES)
9 Correct 0 ms 348 KB OK (n = 3, answer = YES)
10 Correct 0 ms 348 KB OK (n = 3, answer = YES)
11 Correct 0 ms 348 KB OK (n = 3, answer = YES)
12 Correct 0 ms 348 KB OK (n = 3, answer = YES)
13 Correct 1 ms 344 KB OK (n = 3, answer = NO)
14 Correct 0 ms 348 KB OK (n = 3, answer = YES)
15 Correct 0 ms 348 KB OK (n = 3, answer = YES)
16 Correct 0 ms 348 KB OK (n = 3, answer = NO)
17 Correct 0 ms 348 KB OK (n = 3, answer = NO)
18 Correct 0 ms 348 KB OK (n = 100, answer = NO)
19 Correct 1 ms 348 KB OK (n = 100, answer = YES)

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB item #1 is taken twice
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB OK (n = 1, answer = NO)
2 Correct 0 ms 348 KB OK (n = 1, answer = NO)
3 Correct 0 ms 348 KB OK (n = 1, answer = YES)
4 Correct 0 ms 348 KB OK (n = 2, answer = YES)
5 Correct 0 ms 348 KB OK (n = 2, answer = YES)
6 Correct 0 ms 348 KB OK (n = 3, answer = YES)
7 Correct 1 ms 348 KB OK (n = 3, answer = YES)
8 Correct 0 ms 348 KB OK (n = 3, answer = YES)
9 Correct 0 ms 348 KB OK (n = 3, answer = YES)
10 Correct 0 ms 348 KB OK (n = 3, answer = YES)
11 Correct 0 ms 348 KB OK (n = 3, answer = YES)
12 Correct 0 ms 348 KB OK (n = 3, answer = YES)
13 Correct 1 ms 344 KB OK (n = 3, answer = NO)
14 Correct 0 ms 348 KB OK (n = 3, answer = YES)
15 Correct 0 ms 348 KB OK (n = 3, answer = YES)
16 Correct 0 ms 348 KB OK (n = 3, answer = NO)
17 Correct 0 ms 348 KB OK (n = 3, answer = NO)
18 Correct 0 ms 348 KB OK (n = 100, answer = NO)
19 Correct 1 ms 348 KB OK (n = 100, answer = YES)
20 Incorrect 1 ms 344 KB item #1 is taken twice
21 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB OK (n = 1, answer = NO)
2 Correct 0 ms 348 KB OK (n = 1, answer = NO)
3 Correct 0 ms 348 KB OK (n = 1, answer = YES)
4 Correct 0 ms 348 KB OK (n = 2, answer = YES)
5 Correct 0 ms 348 KB OK (n = 2, answer = YES)
6 Correct 0 ms 348 KB OK (n = 3, answer = YES)
7 Correct 1 ms 348 KB OK (n = 3, answer = YES)
8 Correct 0 ms 348 KB OK (n = 3, answer = YES)
9 Correct 0 ms 348 KB OK (n = 3, answer = YES)
10 Correct 0 ms 348 KB OK (n = 3, answer = YES)
11 Correct 0 ms 348 KB OK (n = 3, answer = YES)
12 Correct 0 ms 348 KB OK (n = 3, answer = YES)
13 Correct 1 ms 344 KB OK (n = 3, answer = NO)
14 Correct 0 ms 348 KB OK (n = 3, answer = YES)
15 Correct 0 ms 348 KB OK (n = 3, answer = YES)
16 Correct 0 ms 348 KB OK (n = 3, answer = NO)
17 Correct 0 ms 348 KB OK (n = 3, answer = NO)
18 Correct 0 ms 348 KB OK (n = 100, answer = NO)
19 Correct 1 ms 348 KB OK (n = 100, answer = YES)
20 Incorrect 1 ms 344 KB item #1 is taken twice
21 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB OK (n = 1, answer = NO)
2 Correct 0 ms 348 KB OK (n = 1, answer = NO)
3 Correct 0 ms 348 KB OK (n = 1, answer = YES)
4 Correct 0 ms 348 KB OK (n = 2, answer = YES)
5 Correct 0 ms 348 KB OK (n = 2, answer = YES)
6 Correct 0 ms 348 KB OK (n = 3, answer = YES)
7 Correct 1 ms 348 KB OK (n = 3, answer = YES)
8 Correct 0 ms 348 KB OK (n = 3, answer = YES)
9 Correct 0 ms 348 KB OK (n = 3, answer = YES)
10 Correct 0 ms 348 KB OK (n = 3, answer = YES)
11 Correct 0 ms 348 KB OK (n = 3, answer = YES)
12 Correct 0 ms 348 KB OK (n = 3, answer = YES)
13 Correct 1 ms 344 KB OK (n = 3, answer = NO)
14 Correct 0 ms 348 KB OK (n = 3, answer = YES)
15 Correct 0 ms 348 KB OK (n = 3, answer = YES)
16 Correct 0 ms 348 KB OK (n = 3, answer = NO)
17 Correct 0 ms 348 KB OK (n = 3, answer = NO)
18 Correct 0 ms 348 KB OK (n = 100, answer = NO)
19 Correct 1 ms 348 KB OK (n = 100, answer = YES)
20 Incorrect 1 ms 344 KB item #1 is taken twice
21 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB OK (n = 1, answer = NO)
2 Correct 0 ms 348 KB OK (n = 1, answer = NO)
3 Correct 0 ms 348 KB OK (n = 1, answer = YES)
4 Correct 0 ms 348 KB OK (n = 2, answer = YES)
5 Correct 0 ms 348 KB OK (n = 2, answer = YES)
6 Correct 0 ms 348 KB OK (n = 3, answer = YES)
7 Correct 1 ms 348 KB OK (n = 3, answer = YES)
8 Correct 0 ms 348 KB OK (n = 3, answer = YES)
9 Correct 0 ms 348 KB OK (n = 3, answer = YES)
10 Correct 0 ms 348 KB OK (n = 3, answer = YES)
11 Correct 0 ms 348 KB OK (n = 3, answer = YES)
12 Correct 0 ms 348 KB OK (n = 3, answer = YES)
13 Correct 1 ms 344 KB OK (n = 3, answer = NO)
14 Correct 0 ms 348 KB OK (n = 3, answer = YES)
15 Correct 0 ms 348 KB OK (n = 3, answer = YES)
16 Correct 0 ms 348 KB OK (n = 3, answer = NO)
17 Correct 0 ms 348 KB OK (n = 3, answer = NO)
18 Correct 0 ms 348 KB OK (n = 100, answer = NO)
19 Correct 1 ms 348 KB OK (n = 100, answer = YES)
20 Incorrect 1 ms 344 KB item #1 is taken twice
21 Halted 0 ms 0 KB -