| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 829983 | dolphingarlic | Permutation (APIO22_perm) | C++17 | 7 ms | 340 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> construct_permutation(long long k) {
int bit = 64 - __builtin_clzll(k);
vector<double> ans;
bool flag = false;
while (bit > 0) {
bit -= 2;
if (bit == -1) {
ans.push_back(1e9);
if (k & 1) ans.push_back(-1e9);
} else {
int val = (k >> bit) & 3;
if (ans.empty()) {
if (val == 2) ans = {0};
else ans = {1, 0}, flag = true;
} else {
if (val == 0) {
ans.push_back(1e9);
ans.push_back(1e9 + 1);
} else if (val == 1) {
ans.push_back(1e9);
ans.push_back(1e9 + 1);
ans.push_back(-1e9);
flag = true;
} else if (val == 2) {
ans.push_back(1e9);
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