Language: C++

#define debug_interval ','
#define dump_interval ' '
#define debug_toggle 1
//{
#include<bits/stdc++.h>
#include "ramen.h"
using namespace std;
#define hi cerr<<"hi"<<endl;
//#define int long long
#define INT_MAX LLONG_MAX
#define rep(i,n) for(int i=0;i<(n);i++)
#define rep1(i,n) for(int i=1;i<=(n);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define fi first
#define se second
#define mp make_pair
#define rev reverse
#define dans dump(ans)
#define MOD 1000000007
#define amp(v,n) (v).count(n)?v[n]++:v[n]=1
#define sysp system("pause")
#define PI acos(-1)
#define pf push_front
#define ins insert
#define fh(x,v) for(auto x:v)

//{
inline int toInt(string s){int v;istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x){ostringstream sout;sout<<x;return sout.str();}
template<class...A> inline void dump(){cout<<endl;}
template<class...A> inline void dump_rest() {cout<<endl;}
template<class T, class...A> inline void dump_rest(const T& first, const A&... rest){cout<<dump_interval<<first;dump_rest(rest...);}
template<class T,class...A> inline void dump(const T&first,const A&...rest){cout<<first;dump_rest(rest...);}
template<class...A> inline void debug(){cerr<<endl;}
template<class...A> inline void debug_rest() {cerr<<endl;}
template<class T, class...A> inline void debug_rest(const T& first, const A&... rest){cerr<<debug_interval<<first;debug_rest(rest...);}
template<class T,class...A> inline void debug(const T&first,const A&...rest){if(debug_toggle)cerr<<first,debug_rest(rest...);}
unsigned XorShift(void){static unsigned x = 123456789;static unsigned y = 362436069;static unsigned z = 521288629;static unsigned w = 88675123;unsigned t;t = x ^ (x << 11);x = y; y = z; z = w;return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));}
//}

typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;

template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}
template<int m>class mint{private:int i;public:mint() : i(0){}mint(int i): i((i%m+m)%m){}mint operator+(const mint& o){return o.i+i;}mint operator*(const mint& o){return o.i*i;}mint operator-(){return -i;}operator int() {return i;}};
//template<class T>vector<T> var_vec(size_t a){return vector<T>(a);}
//template<class T, class... Ts>auto var_vec(size_t a, Ts... ts){return vector<decltype(var_vec<T>(ts...))>(a, var_vec<T>(ts...));}

//}



void Ramen(int n){
    vint a,b;
    if(n&1){
        a.pb(n-1);//でかい
        b.pb(n-1);//ちいさい
    }
    n--;
    for(int i=0;i<n;i+=2){
        if(Compare(i,i+1)==1){
            a.pb(i);
            b.pb(i+1);
        }else{
            a.pb(i+1);
            b.pb(i);
        }
    }
    int x=b.front(),y=a.front();
    for(int i=1;i<b.size();i++){
        if(Compare(x,b[i])==-1){
            x=b[i];
        }
    }
    for(int i=1;i<a.size();i++){
        if(Compare(y,a[i])==1){
            y=a[i];
        }
    }
    Answer(x,y);
}




Compiler output:
a.cc:6:10: fatal error: ramen.h: No such file or directory
    6 | #include "ramen.h"
      |          ^~~~~~~~~
compilation terminated.