oj.uz

Submission #161521

# Submission time Handle Problem Language Result Execution time Memory
161521 2019-11-02T20:24:02 Z kostia244 Detecting Molecules (IOI16_molecules) C++14
0 / 100
 2 ms 376 KB 
#include "molecules.h"
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
using namespace std;
using ll = long long;
using vi = vector<int>;
vi find_subset(int l, int u, std::vector<int> w) {
	bitset<10010> x, y;
	vi par(10010, -1);
	x.set(0);
	for(int i = 0; i < w.size(); i++) {
		y = x;
		y|=y<<w[i];
		x^=y;
		int p = x._Find_first();
		while(p<=10000) {
			par[p]=i;
			p = x._Find_next(p);
		}
		swap(x, y);
	}
	int sm = y._Find_next(l-1);
	if(sm>u)
		return {};
	vi ans;
	while(sm) {
		ans.pb(par[sm]);
		sm -= w[ans.back()];
	}
	return ans;
}

Compilation message

molecules.cpp: In function 'vi find_subset(int, int, std::vector<int>)':
molecules.cpp:13:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < w.size(); i++) {
                 ~~^~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB OK (n = 1, answer = NO)
2 Correct 2 ms 376 KB OK (n = 1, answer = NO)
3 Correct 2 ms 376 KB OK (n = 1, answer = YES)
4 Correct 2 ms 376 KB OK (n = 2, answer = YES)
5 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
6 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB OK (n = 1, answer = NO)
2 Correct 2 ms 376 KB OK (n = 1, answer = NO)
3 Correct 2 ms 376 KB OK (n = 1, answer = YES)
4 Correct 2 ms 376 KB OK (n = 2, answer = YES)
5 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
6 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB OK (n = 1, answer = NO)
2 Correct 2 ms 376 KB OK (n = 1, answer = NO)
3 Correct 2 ms 376 KB OK (n = 1, answer = YES)
4 Correct 2 ms 376 KB OK (n = 2, answer = YES)
5 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
6 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB OK (n = 1, answer = NO)
2 Correct 2 ms 376 KB OK (n = 1, answer = NO)
3 Correct 2 ms 376 KB OK (n = 1, answer = YES)
4 Correct 2 ms 376 KB OK (n = 2, answer = YES)
5 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
6 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB OK (n = 1, answer = NO)
2 Correct 2 ms 376 KB OK (n = 1, answer = NO)
3 Correct 2 ms 376 KB OK (n = 1, answer = YES)
4 Correct 2 ms 376 KB OK (n = 2, answer = YES)
5 Incorrect 2 ms 376 KB Contestant can not find answer, jury can
6 Halted 0 ms 0 KB -