oj.uz

답안 #173531

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173531 2020-01-04T13:43:00 Z srvlt "The Lyuboyn" code (IZhO19_lyuboyn) C++14
31 / 100
 1000 ms 19116 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree <pair <int, int>, null_type, less <pair <int, int> >, rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;

#define ll long long
#define db double
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mp make_pair
#define size(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define low_b lower_bound

#define endl "\n"
//#define int long long

using namespace std;

void dout() {
    cerr << endl;
}
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
    cerr << H << ' ';
    dout(T...);
}

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;

int n, k, t, s;

string tobit(int x) {
    string res = "";
    do {
        res += char((x & 1) + '0');
        x >>= 1;
    }   while (x);
    while (size(res) < n) {
        res += '0';
    }
    reverse(all(res));
    return res;
}

vector <int> vec, ans;
bool used[(1 << 18)];

void dfs(int v) {
    ans.pb(v);
    used[v] = true;
    for (auto i : vec) {
        if (!used[v ^ i]) {
            dfs(v ^ i);
        }
    }
}

void solve(int tc) {
    // check for (int i = 0; i < n; j++)
    cin >> n >> k >> t;
    for (int i = 0; i < (1 << n); i++) {
        if (__builtin_popcount(i) == k) {
            vec.pb(i);
        }
    }
    string tmp;
    cin >> tmp;
    for (int i = 0; i < size(tmp); i++) {
        if (tmp[i] == '1') {
            s += (1 << (size(tmp) - i - 1));
        }
    }
    dfs(s);
    if (size(ans) < (1 << n)) {
        cout << -1;
        return;
    }
    cout << (1 << n) << endl;
    for (auto i : ans) {
        cout << tobit(i) << endl;
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
    int tc = 1;
//    cin >> tc;
    for (int i = 0; i < tc; i++) {
        solve(i);
//        cleanup();
    }
}

Subtask #1
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Ok

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Ok

Subtask #3
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Ok
2 Correct 40 ms 7412 KB Ok
3 Execution timed out 1079 ms 4088 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 19116 KB Ok
2 Correct 43 ms 9716 KB Ok
3 Correct 2 ms 376 KB Ok
4 Correct 2 ms 376 KB Ok
5 Correct 2 ms 376 KB Ok

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Ok
2 Correct 6 ms 892 KB Ok
3 Correct 138 ms 9636 KB Ok
4 Correct 62 ms 5076 KB Ok
5 Correct 2 ms 376 KB Ok
6 Correct 3 ms 504 KB Ok
7 Correct 26 ms 2680 KB Ok
8 Correct 2 ms 376 KB Ok

Subtask #6
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1073 ms 14316 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 19116 KB Ok
2 Correct 43 ms 9716 KB Ok
3 Correct 2 ms 376 KB Ok
4 Correct 2 ms 376 KB Ok
5 Correct 2 ms 376 KB Ok
6 Correct 2 ms 376 KB Ok
7 Correct 6 ms 892 KB Ok
8 Correct 138 ms 9636 KB Ok
9 Correct 62 ms 5076 KB Ok
10 Correct 2 ms 376 KB Ok
11 Correct 3 ms 504 KB Ok
12 Correct 26 ms 2680 KB Ok
13 Correct 2 ms 376 KB Ok
14 Execution timed out 1073 ms 14316 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 9660 KB Ok
2 Correct 90 ms 19056 KB Ok
3 Execution timed out 1086 ms 14232 KB Time limit exceeded
4 Halted 0 ms 0 KB -