oj.uz

Submission #575916

# Submission time Handle Problem Language Result Execution time Memory
575916 2022-06-11T17:15:34 Z SHZhang Permutation (APIO22_perm) C++17
91.3333 / 100
 3 ms 356 KB 
#include "perm.h"

using namespace std;

#define ll long long

vector<int> construct_permutation(ll k)
{
	ll maxbit = 0;
	for (ll i = 62; i >= 0; i--) {
		if (k & (1LL << i)) {
			maxbit = i; break;
		}
	}
	vector<int> ops;
	for (ll i = maxbit - 1; i >= 0; i--) {
		ops.push_back(0);
		if (k & (1LL << i)) ops.push_back(1);
	}
	vector<int> ans;
	for (int i = 0; i < ops.size(); i++) {
		if (ops[i] == 0) {
			ans.push_back((int)ans.size());
		} else {
			for (int j = 0; j < ans.size(); j++) ans[j]++;
			ans.push_back(0);
		}
	}
	return ans;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:21:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for (int i = 0; i < ops.size(); i++) {
      |                  ~~^~~~~~~~~~~~
perm.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |    for (int j = 0; j < ans.size(); j++) ans[j]++;
      |                    ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
81.333333333 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Partially correct 1 ms 340 KB Partially correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Partially correct 2 ms 340 KB Partially correct
9 Correct 1 ms 340 KB Output is correct
10 Partially correct 2 ms 340 KB Partially correct
11 Partially correct 1 ms 340 KB Partially correct
12 Partially correct 3 ms 340 KB Partially correct
13 Partially correct 2 ms 356 KB Partially correct