結果

問題 No.1376 Simple LPS Problem
ユーザー sapphire__15sapphire__15
提出日時 2021-02-06 02:28:56
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 5,542 bytes
コンパイル時間 1,028 ms
コンパイル使用メモリ 117,820 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-07-02 14:45:59
合計ジャッジ時間 3,054 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
6,816 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 1 ms
6,940 KB
testcase_04 AC 1 ms
6,940 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,944 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 1 ms
6,944 KB
testcase_09 AC 2 ms
6,940 KB
testcase_10 AC 2 ms
6,944 KB
testcase_11 AC 1 ms
6,940 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 2 ms
6,940 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 2 ms
6,940 KB
testcase_16 AC 2 ms
6,944 KB
testcase_17 AC 1 ms
6,940 KB
testcase_18 AC 1 ms
6,944 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 1 ms
6,944 KB
testcase_21 AC 1 ms
6,940 KB
testcase_22 AC 1 ms
6,940 KB
testcase_23 AC 1 ms
6,940 KB
testcase_24 AC 1 ms
6,940 KB
testcase_25 AC 2 ms
6,940 KB
testcase_26 AC 2 ms
6,944 KB
testcase_27 AC 2 ms
6,940 KB
testcase_28 AC 2 ms
6,944 KB
testcase_29 AC 2 ms
6,944 KB
testcase_30 AC 2 ms
6,940 KB
testcase_31 AC 1 ms
6,940 KB
testcase_32 AC 1 ms
6,944 KB
testcase_33 AC 1 ms
6,944 KB
testcase_34 AC 1 ms
6,940 KB
testcase_35 AC 2 ms
6,940 KB
testcase_36 AC 2 ms
6,944 KB
testcase_37 AC 1 ms
6,940 KB
testcase_38 AC 2 ms
6,940 KB
testcase_39 AC 1 ms
6,944 KB
testcase_40 AC 2 ms
6,940 KB
testcase_41 AC 2 ms
6,940 KB
testcase_42 AC 2 ms
6,940 KB
testcase_43 AC 3 ms
6,944 KB
testcase_44 AC 2 ms
6,940 KB
testcase_45 AC 2 ms
6,940 KB
testcase_46 AC 2 ms
6,940 KB
testcase_47 AC 2 ms
6,940 KB
testcase_48 AC 2 ms
6,944 KB
testcase_49 AC 2 ms
6,940 KB
testcase_50 AC 2 ms
6,944 KB
testcase_51 AC 2 ms
6,940 KB
testcase_52 AC 2 ms
6,944 KB
testcase_53 AC 2 ms
6,944 KB
testcase_54 AC 2 ms
6,940 KB
testcase_55 AC 2 ms
6,944 KB
testcase_56 AC 2 ms
6,940 KB
testcase_57 AC 2 ms
6,944 KB
testcase_58 AC 2 ms
6,940 KB
testcase_59 AC 2 ms
6,940 KB
testcase_60 AC 1 ms
6,940 KB
testcase_61 AC 2 ms
6,948 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <climits>
#include <cmath>
#include <bitset>
#include <complex>
#include <functional>
#include <cassert>
#include <stack>
#include <numeric>

typedef int64_t ll;
typedef std::pair<int, int> Pii;
typedef std::pair<ll, ll> Pll;
typedef std::pair<double, double> Pdd;

#define rip(i, n, _s) for (int i = (_s);i < (int)( n ); i++)
#define all(_l) _l.begin(), _l.end()
#define rall(_l) _l.rbegin(), _l.rend()
#define MM << " " <<

template<typename T>
using MaxHeap = std::priority_queue<T>;
template<typename T>
using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T>>;

template<typename T>
inline bool chmax(T &_l, const T b) {
    if (_l < b) {
        _l = b;
        return true;
    }
    return false;
}
template<typename T>
inline bool chmin(T &_l, const T b) {
    if (_l > b) {
        _l = b;
        return true;
    }
    return false;
}

# ifdef LOCAL_DEBUG
template<typename T>
void vdeb(const std::vector<T> &bb) {
    for (unsigned int i = 0;i < bb.size();i++) {
        if (i == bb.size() - 1) std::cout << bb[i];
        else std::cout << bb[i] << ' ';
    }
    std::cout << '\n';
}
template<typename T>
void vdeb(const std::vector<std::vector<T>> &bb) {
    for (unsigned int i = 0;i < bb.size();i++) {
        std::cout << i << ' ';
        vdeb(bb[i]);
    }
    std::cout << '\n';
}
# endif

long long pow(long long n, long long p, long long k) {//n^k(mod p)
    if (!k) return 1;
    long long a = pow(n,p, k>>1);
    a = a * a%p;
    if (k & 1) a = a * n%p;
    return a;
}
void euclid(long long &a, long long &b, long long p) { // a>=b A*b+B*(a-a/b*b)=1
    if (a == 1) {
        a = 1;
    }
    else {
        long long A = b, B = a % b;
        euclid(A, B, p);
        b = (A - (p + a / b) % p * B % p + p) % p;
        a = B;
    }
}
long long rev(long long n, long long p) {// n*x-p*y=1
    //long long q = p;
    //euclid(p, n, p);
    //return n % q;
    return pow(n,p,p-2);
}
long long bino(long long n, long long m, long long p) {//nCm(mod p)
    long long ans = 1, div = 1;
    for(int i = 0;i < m; i++){
        ans = (n - i) * ans % p;
        div = div * (i +1) % p;
    }
    return ans * rev(div, p) % p;
}
struct modint {
    long long num;
    long long p;
    modint() {
        num = 0;
        p = 998244353;
    }
    modint(long long x) {
        p = 998244353;
        num = x % p;
    }
    modint inv()const{return rev(num, p);}
    modint operator-() const{return modint(p-num);}
    modint& operator+=(const modint &other){
        num = (num + other.num) % p;
        return *this;
    }
    modint& operator-=(const modint &other){
        num = (num - other.num + p) % p;
        return *this;
    }
    modint& operator*=(const modint &other){
        num = (num * other.num) % p;
        return *this;
    }
    modint& operator/=(const modint &other){
        (*this) *= other.inv();
        return *this;
    }
    modint& operator+=(const long long &other){
        num = (num + other) % p;
        return *this;
    }
    modint& operator-=(const long long &other){
        num = (num - other + p) % p;
        return *this;
    }
    modint& operator*=(const long long &other){
        num = (num * other) % p;
        return *this;
    }
    modint& operator/=(const long long &other){
        (*this) *= rev(other, p);
        return *this;
    }
    modint& operator++(){return *this += 1;}
    modint& operator--(){return *this -= 1;}
    modint& operator=(const long long &other){return (*this) = modint(other);}
    modint operator+(const modint &other) const{return modint(*this) += other;}
    modint operator-(const modint &other) const{return modint(*this) -= other;}
    modint operator*(const modint &other) const{return modint(*this) *= other;}
    modint operator/(const modint &other) const{return modint(*this) /= other;}
    modint operator+(const long long &other) const{return modint(*this) += other;}
    modint operator-(const long long &other) const{return modint(*this) -= other;}
    modint operator*(const long long &other) const{return modint(*this) *= other;}
    modint operator/(const long long &other) const{return modint(*this) /= other;}
    bool operator==(const modint &other) const{return num == other.num;}
};
std::istream& operator>>(std::istream &is, const modint x) {
    std::cin >> x.num;
    return is;
}
std::ostream& operator<<(std::ostream &os, const modint &x){
    std::cout << x.num;
    return os;
}

using namespace std;

int main() {
    string s = "110100";
    int n, k; cin >> n >> k;
    if(k >= 4) {
        rip(i,k,0) cout << '0';
        n -= k;
        while(n >= 6) {
            n-=6;
            cout << s;
        }
        cout << s.substr(0, n) << endl;
    }
    else if(k == 1) {
        if(n == 1) cout << '1' << endl;
        else if(n == 2) cout << "10" << endl;
        else cout << -1 << endl;
    }
    else if(k == 2) {
        if(n >= 5) cout << -1 << endl;
        else {
            cout << "11";
            rip(i,n-k,0) cout << '0';
            cout << endl;
        }
    }
    else if(k == 3) {
        if(n <= 6) {
            cout << "000";
            rip(i,n-k,0) cout << '1';
            cout << endl;
        }
        else if(n == 7) {
            cout << "1101000" << endl;
        }
        else if(n == 8) {
            cout << "11101000" << endl;
        }
        else {
            cout << -1 << endl;
        }
    }
    else {
        assert(0);
    }
}
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