| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 742276 |
2023-05-16T03:56:39 Z |
josanneo22 |
Rack (eJOI19_rack) |
C++17 |
|
1 ms |
324 KB |
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second
#define int long long
vector<int> merge(vector<int>& a, vector<int>& b) {
vector<int> ans;
vector<int> oda, odb, eva, evb;
for (int i = 0; i < a.size(); i++) {
if (a[i] % 2 == 1) oda.pb(a[i]);
else eva.pb(a[i]);
}
for (int i = 0; i < b.size(); i++) {
if (b[i] % 2 == 1) odb.pb(b[i]);
else evb.pb(b[i]);
}
int pt = 0, chance = 0;
while (pt < oda.size()) {
if (chance == 0 && oda.size() > pt) ans.pb(oda[pt]);
else if (chance==1 && odb.size() > pt)ans.pb(odb[pt]);
if (chance == 1) pt++;
chance = 1 - chance;
}
pt = 0, chance = 0;
while (pt < eva.size()) {
if (chance == 0 && eva.size() > pt) ans.pb(eva[pt]);
else if (chance == 1 && evb.size() > pt)ans.pb(evb[pt]);
if (chance == 1) pt++;
chance = 1 - chance;
}
return ans;
}
vector<int> call(int l, int r) {
if (r < l) return {};
if (r == l) return { l };
else {
int md = (l+r) / 2;
vector<int> a = call(l, md), b = call(md + 1, r);
return merge(a, b);
}
}
void solve() {
int n, k; cin >> n >> k;
vector<int> ans = call(1, 1<<n);
cout << ans[k-1] << '\n';
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0);
solve();
}
Compilation message
rack.cpp: In function 'std::vector<long long int> merge(std::vector<long long int>&, std::vector<long long int>&)':
rack.cpp:14:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for (int i = 0; i < a.size(); i++) {
| ~~^~~~~~~~~~
rack.cpp:18:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for (int i = 0; i < b.size(); i++) {
| ~~^~~~~~~~~~
rack.cpp:23:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | while (pt < oda.size()) {
| ~~~^~~~~~~~~~~~
rack.cpp:24:33: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
24 | if (chance == 0 && oda.size() > pt) ans.pb(oda[pt]);
| ~~~~~~~~~~~^~~~
rack.cpp:25:36: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
25 | else if (chance==1 && odb.size() > pt)ans.pb(odb[pt]);
| ~~~~~~~~~~~^~~~
rack.cpp:30:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | while (pt < eva.size()) {
| ~~~^~~~~~~~~~~~
rack.cpp:31:33: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
31 | if (chance == 0 && eva.size() > pt) ans.pb(eva[pt]);
| ~~~~~~~~~~~^~~~
rack.cpp:32:38: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
32 | else if (chance == 1 && evb.size() > pt)ans.pb(evb[pt]);
| ~~~~~~~~~~~^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
