Submission #975655

# Submission time Handle Problem Language Result Execution time Memory
975655 2024-05-05T16:18:36 Z ShaShi Permutation (APIO22_perm) C++17
91.3333 / 100
2 ms 596 KB
#include "perm.h"
#include <bits/stdc++.h>
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define pii pair<int, int>



using namespace std;

typedef long long ll;


const int MAXN = (int)1e6 + 7;
const int LG = 60;


vector<int> construct_permutation(ll k) {
	vector<int> res;

	bool flag = 0;

	for (int i=LG-1; i>=0; i--) {
		if (!(k&(1ll<<i))) continue;

		// for (int j:res) cout << j << " ";
		// cout << endl;
		// cout << "!" << i << endl;

		if (!flag) {
			for (int j=1; j<=i; j++) res.pb(j);
			flag = 1;

			continue;
		}

		for (int j=0; j<res.size(); j++) if (res[j] >= i+1) res[j]++;
		res.pb(i+1);
	}

	for (int i=0; i<res.size(); i++) res[i]--;

	return res;
}



// int main() {
// 	vector<int> res = construct_permutation(42);

// 	for (int i:res) cout << i << " ";


// 	return 0;
// }

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(ll)':
perm.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for (int j=0; j<res.size(); j++) if (res[j] >= i+1) res[j]++;
      |                 ~^~~~~~~~~~~
perm.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  for (int i=0; i<res.size(); i++) res[i]--;
      |                ~^~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Partially correct 1 ms 348 KB Partially correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Partially correct 2 ms 348 KB Partially correct
9 Correct 1 ms 344 KB Output is correct
10 Partially correct 2 ms 344 KB Partially correct
11 Partially correct 2 ms 348 KB Partially correct
12 Partially correct 1 ms 596 KB Partially correct
13 Partially correct 2 ms 500 KB Partially correct