Language: C++

#include <iostream>
#include <fstream>
#include <string> 
#include <cmath>  
#include <cstdlib>
#include <ctime>
#include <vector>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <functional>
#include <cctype>
#include <list>
//#include <boost/multiprecision/cpp_int.hpp>

#define BIT(a) (1 << (a))
#define EPS (1e-10)

using namespace std;
//using namespace boost::multiprecision;

const long long MOD = 1000000007;
const int COUNTER_CLOCKWISE = 1;
const int CLOCKWISE = -1;
const int ONLINE_BACK = 2;
const int ONLINE_FRONT = -2;
const int ON_SEGMENT = 0;

class Point{
    public:
    double x, y;

    Point(double x = 0, double y = 0): x(x), y(y) {}
    
    Point operator+(Point p){return Point(x + p.x, y + p.y);}
    Point operator-(Point p){return Point(x - p.x, y - p.y);}
    Point operator*(double a){return Point(a * x, a * y);}
    Point operator/(double a){return Point(x / a, y / a);}

    bool operator < (const Point &p) const {
        return y != p.y ? y < p.y : x < p.x;
    }

    double norm(){return x * x + y * y;}
};
typedef Point Vector;
typedef vector<Vector> Polygon;

double cross(Vector a, Vector b){
    return a.x*b.y - a.y*b.x;
}

double dot(Vector a, Vector b){
    return a.x * b.x + a.y * b.y;
}

int ccw(Point p0, Point p1, Point p2){
    Vector a = p1 - p0;
    Vector b = p2 - p0;
    if (cross(a, b) > EPS)return COUNTER_CLOCKWISE;
    if (cross(a, b) > -EPS)return CLOCKWISE;
    if (dot(a, b) < -EPS)return ONLINE_BACK;
    if (a.norm() < b.norm())return ONLINE_FRONT;

    return ON_SEGMENT;
}

Polygon andrewScan(Polygon s){
    Polygon u, l;
    if (s.size() < 3) return s;
    sort(s.begin(), s.end());
    u.push_back(s[0]);
    u.push_back(s[1]);
    l.push_back(s[s.size()-1]);
    l.push_back(s[s.size()-2]);
    
    for (size_t i = 2; i < s.size(); i++){
        for (size_t n = u.size(); n >= 2 && ccw(u[n-2], u[n-1], s[i]) == COUNTER_CLOCKWISE; n--){
            u.pop_back();
        }
        u.push_back(s[i]);
    }

    for (int i = (int)s.size() - 3; i >= 0; i--){
        for (size_t n = l.size(); n >= 2 && ccw(l[n-2], l[n-1], s[i]) == COUNTER_CLOCKWISE; n--){
            l.pop_back();
        }
        l.push_back(s[i]);
    }

    reverse(l.begin(), l.end());
    for (size_t i = u.size() - 2; i >= 1; i--) l.push_back(u[i]);

    return l;
}

long long mod_pow(long long x, long long n){
    long long res = 1;
    for(int i = 0;i < 60; i++){
        if(n >> i & 1) res = res * x % MOD;
        x = x * x % MOD;
    }
    return res;
}

long long dp[20][2][2][2][2][2];

long long digit_dp(string A){
    int N = A.length();
    memset(dp, 0, sizeof(dp));
    dp[0][0][0][0][0][0] = 1;

    for (int i = 0; i < N; i++){
        for (int j = 0; j < 2; j++){
            for (int k = 0; k < 2; k++){
                for (int l = 0; l < 2; l++){
                    for (int m = 0; m < 2; m++){
                        for (int n = 0; n < 2; n++){
                            int lim = j ? 9 : A[i] - '0';
                            for (int d = 0; d < lim + 1; d++){
                                dp[i+1][j || d < lim][d == 5][k && (d == 1)][l][(m && d == 3) || n] += dp[i][j][k][l][m][n];
                            }
                        }
                    }
                }
            }
        }
    }

    long long ret = 0;

    for (int i = 0; i < 2; i++){
        for (int j = 0; j < 2; j++){
            for (int k = 0; k < 2; k++){
                for (int l = 0; l < 2; l++){
                    ret += dp[N][i][j][k][l][1];
                }
            }
        }
    }

    return ret;
}

int main(void){
    string N;
    cin >> N;

    cout << digit_dp(N) << endl;
}   



Compiler output:
a.cc: In function 'long long int digit_dp(std::string)':
a.cc:114:5: error: 'memset' was not declared in this scope
  114 |     memset(dp, 0, sizeof(dp));
      |     ^~~~~~
a.cc:18:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   17 | #include <list>
  +++ |+#include <cstring>
   18 | //#include <boost/multiprecision/cpp_int.hpp>