oj.uz

Submission #343094

# Submission time Handle Problem Language Result Execution time Memory
343094 2021-01-03T12:13:55 Z IZhO_2021_I_want_Silver "The Lyuboyn" code (IZhO19_lyuboyn) C++14
14 / 100
 268 ms 5356 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
#include <set>
#include <map>
#include <iomanip>
#include <cassert>
#include <stack>
#include <queue>
#include <bitset>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>-
 
using namespace std;
//using namespace __gnu_pbds;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
 
// template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//  order_of_key (k) : Number of items strictly smaller than k .
//  find_by_order(k) : K-th element in a set (counting from zero).
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define pb push_back
#define ppb pop_back
#define mkp make_pair
#define F first
#define S second
#define lb lower_bound
#define ub upper_bound
#define show(a) cerr << #a <<" -> "<< a <<" "
#define nl cerr <<"\n"
//#define int ll
 
const int N = 2e5 + 5;
const int oo = 1e9 + 5;
 
int n, k, t;
string s;
bitset <N> was;
 
void show_bits(int x) {
    for (int i = 0; i < n; ++i) {
        if (x & (1 << i)) { cout << 1; }
        else { cout << 0; }
    }
    cout << "\n";
}
 
int g(int x) {
    return x ^ (x >> k);
}
 
void solve() {
    cin >> n >> k >> t;
    cin >> s;
 
  if (k % 2 == 0) { cout << -1; return; }
  
    cout << (1 << n) <<"\n";
    for (int i = 0; i < (1 << n); ++i) {
        show_bits(g(i));
    }
    return;
 
    int x = 0;
    for (int i = 0; i < n; ++i) {
        if (s[i] == '1') { x += (1 << i); }
    }
    was[x] = 1; show_bits(x);
 
    int st_pos = 0;
    for (int i = 1; i < (1 << n); ++i) {
        while (was[x]) {
            int pos = st_pos;
            for (int cnt = 0; cnt < k; ++cnt) {
                x ^= (1 << pos);
                ++pos; if (pos == n) { pos = 0; }
            }
            ++st_pos; if (st_pos == n) { st_pos = 0; }
        }
 
        was[x] = 1; show_bits(x);
    }
}
 
 main () {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int tests = 1;
	//cin >> tests;
	while (tests --) {
		solve();
	}
	return 0;
}
/*
    Just Chalish!
*/

Compilation message

lyuboyn.cpp:90:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   90 |  main () {
      |        ^

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 364 KB First number in answer is not x 1 0

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 364 KB Fail, not exactly k bits are different: line = 0

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 492 KB Ok

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 5356 KB Ok
2 Correct 119 ms 2668 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 384 KB Ok
5 Correct 1 ms 364 KB Ok

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Fail, not exactly k bits are different: line = 0
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 268 ms 5356 KB First number in answer is not x 44202 0
2 Halted 0 ms 0 KB -

Subtask #7
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 5356 KB Ok
2 Correct 119 ms 2668 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 384 KB Ok
5 Correct 1 ms 364 KB Ok
6 Incorrect 1 ms 364 KB Fail, not exactly k bits are different: line = 0
7 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 121 ms 2692 KB First number in answer is not x 92826 0
2 Halted 0 ms 0 KB -