Submission #485737

# Submission time Handle Problem Language Result Execution time Memory
485737 2021-11-09T07:24:38 Z rk42745417 Hidden Sequence (info1cup18_hidden) C++17
0 / 100
400 ms 456 KB
#include "grader.h"
#include <bits/stdc++.h>
using namespace std;

#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const ll LINF = ll(2e18) + ll(1e15);
const double EPS = 1e-8;
static auto LamyIsCute = []() {
	EmiliaMyWife
	return 48763;
}();

vector<int> findSequence(int n) {
	assert(n <= 10);
	int g = n * 3 / 4 + 1, cnt = 0;
	/*
	for(int i = 1; i <= n; i++) {
		if(!isSubsequence(vector<int>(i, 0))) {
			cnt = n - i + 1;
			break;
		}
		if(!isSubsequence(vector<int>(i, 1))) {
			cnt = i - 1;
			break;
		}
	}
	*/
	for(int i = 0; i < (1 << n); i++) {
		vector<int> arr(n);
		//if(__builtin_popcount(i) != cnt)
			//continue;
		for(int j = 0; j < n; j++)
			if(i >> j & 1)
				arr[j]++;
		bool ok = 1;
		for(int j = 0; j < (1 << n); j++) {
			if(__builtin_popcount(j) > g)
				continue;
			vector<int> w;
			for(int k = 0; k < n; k++)
				if(j >> k & 1)
					w.push_back(arr[k]);
			ok &= isSubsequence(w);
		}
		if(ok)
			return arr;
	}
	assert(false);
}

Compilation message

hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:21:25: warning: unused variable 'cnt' [-Wunused-variable]
   21 |  int g = n * 3 / 4 + 1, cnt = 0;
      |                         ^~~
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Partially correct 286 ms 200 KB Output is partially correct: Maximum length of a query = 7
2 Execution timed out 1986 ms 200 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 456 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -