Language: C++

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define rep(i,n) for(int i=0;i<n;++i)
#define rep1(i,n) for(int i=1;i<n;++i)
#define exrep(i, a, b) for(ll i = a; i < b; i++)
#define out(x) cout << x << endl
#define EPS (1e-7)
#define gearup ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<pair<int,int> > vpii;
typedef vector<vector<int> > vvi;
typedef vector<vector<char> > vvc;
typedef vector<vector<bool> > vvb;
typedef vector<vector<double> > vvd;
typedef vector<vector<string> > vvs;
typedef vector<ll> vl;
typedef vector<vector<ll> > vvl;
typedef vector<vector<vector<ll> > > vvvl;
ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
//cout<<fixed<<setprecision(10);

template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
//以降 cin の入力元が 'input.txt' になる
//std::ifstream in("input.txt");
//std::cin.rdbuf(in.rdbuf());


signed main()
{
    gearup;
    ll n; cin >> n;
    ll wa = n/15;
    out(800*n - 200 * wa);
}#include <bits/stdc++.h>
using namespace std;

#define int long long
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define rep(i,n) for(int i=0;i<n;++i)
#define rep1(i,n) for(int i=1;i<n;++i)
#define exrep(i, a, b) for(ll i = a; i < b; i++)
#define out(x) cout << x << endl
#define EPS (1e-7)
#define gearup ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<pair<int,int> > vpii;
typedef vector<vector<int> > vvi;
typedef vector<vector<char> > vvc;
typedef vector<vector<bool> > vvb;
typedef vector<vector<double> > vvd;
typedef vector<vector<string> > vvs;
typedef vector<ll> vl;
typedef vector<vector<ll> > vvl;
typedef vector<vector<vector<ll> > > vvvl;
ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
//cout<<fixed<<setprecision(10);

template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
//以降 cin の入力元が 'input.txt' になる
//std::ifstream in("input.txt");
//std::cin.rdbuf(in.rdbuf());


signed main()
{
    gearup;
    ll n; cin >> n;
    ll wa = n/15;
    out(800*n - 200 * wa);
}#include <bits/stdc++.h>
using namespace std;

#define int long long
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define rep(i,n) for(int i=0;i<n;++i)
#define rep1(i,n) for(int i=1;i<n;++i)
#define exrep(i, a, b) for(ll i = a; i < b; i++)
#define out(x) cout << x << endl
#define EPS (1e-7)
#define gearup ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<pair<int,int> > vpii;
typedef vector<vector<int> > vvi;
typedef vector<vector<char> > vvc;
typedef vector<vector<bool> > vvb;
typedef vector<vector<double> > vvd;
typedef vector<vector<string> > vvs;
typedef vector<ll> vl;
typedef vector<vector<ll> > vvl;
typedef vector<vector<vector<ll> > > vvvl;
ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
//cout<<fixed<<setprecision(10);

template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
//以降 cin の入力元が 'input.txt' になる
//std::ifstream in("input.txt");
//std::cin.rdbuf(in.rdbuf());


signed main()
{
    gearup;
    ll n; cin >> n;
    ll wa = n/15;
    out(800*n - 200 * wa);
}

Compiler output:
a.cc:53:2: error: stray '#' in program
   53 | }#include <bits/stdc++.h>
      |  ^
a.cc:105:2: error: stray '#' in program
  105 | }#include <bits/stdc++.h>
      |  ^
a.cc:53:3: error: 'include' does not name a type
   53 | }#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc:83:4: error: redefinition of 'll MOD'
   83 | ll MOD = 1000000007;
      |    ^~~
a.cc:31:4: note: 'll MOD' previously defined here
   31 | ll MOD = 1000000007;
      |    ^~~
a.cc:84:17: error: redefinition of 'const long long int L_INF'
   84 | const long long L_INF = 1LL << 60;
      |                 ^~~~~
a.cc:32:17: note: 'const long long int L_INF' previously defined here
   32 | const long long L_INF = 1LL << 60;
      |                 ^~~~~
a.cc:85:11: error: redefinition of 'const long long int INF'
   85 | const int INF = 2147483647; // 2^31-1
      |           ^~~
a.cc:33:11: note: 'const long long int INF' previously defined here
   33 | const int INF = 2147483647; // 2^31-1
      |           ^~~
a.cc:86:14: error: redefinition of 'const double PI'
   86 | const double PI = acos(-1);
      |              ^~
a.cc:34:14: note: 'const double PI' previously defined here
   34 | const double PI = acos(-1);
      |              ^~
a.cc:89:31: error: redefinition of 'template<class T> bool chmin(T&, T)'
   89 | template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:37:31: note: 'template<class T> bool chmin(T&, T)' previously declared here
   37 | template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:90:31: error: redefinition of 'template<class T> bool chmax(T&, T)'
   90 | template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:38:31: note: 'template<class T> bool chmax(T&, T)' previously declared here
   38 | template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:91:24: error: redefinition of 'template<class T> void debug(T)'
   91 | template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
      |                        ^~~~~
a.cc:39:24: note: 'template<class T> void debug(T)' previously declared here
   39 | template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
      |                        ^~~~~
a.cc:92:10: error: redefinition of 'const ll dx [8]'
   92 | const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
      |          ^~
a.cc:40:10: note: 'const ll dx [8]' previously defined here
   40 | const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
      |          ^~
a.cc:93:10: error: redefinition of 'const ll dy [8]'
   93 | const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
      |          ^~
a.cc:41:10: note: 'const ll dy [8]' previously defined here
   41 | const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
      |          ^~
a.cc:99:8: error: redefinition of 'int main()'
   99 | signed main()
      |        ^~~~
a.cc:47:8: note: 'int main()' previously defined here
   47 | signed main()
      |        ^~~~
a.cc:105:3: error: 'include' does not name a type
  105 | }#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc:135:4: error: redefinition of 'll MOD'
  135 | ll MOD = 1000000007;
      |    ^~~
a.cc:31:4: note: 'll MOD' previously defined here
   31 | ll MOD = 1000000007;
      |    ^~~
a.cc:136:17: error: redefinition of 'const long long int L_INF'
  136 | const long long L_INF = 1LL << 60;
      |                 ^~~~~
a.cc:32:17: note: 'const long long int L_INF' previously defined here
   32 | const long long L_INF = 1LL << 60;
      |                 ^~~~~
a.cc:137:11: error: redefinition of 'const long long int INF'
  137 | const int INF = 2147483647; // 2^31-1
      |           ^~~
a.cc:33:11: note: 'const long long int INF' previously defined here
   33 | const int INF = 2147483647; // 2^31-1
      |           ^~~
a.cc:138:14: error: redefinition of 'const double PI'
  138 | const double PI = acos(-1);
      |              ^~
a.cc:34:14: note: 'const double PI' previously defined here
   34 | const double PI = acos(-1);
      |              ^~
a.cc:141:31: error: redefinition of 'template<class T> bool chmin(T&, T)'
  141 | template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:37:31: note: 'template<class T> bool chmin(T&, T)' previously declared here
   37 | template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:142:31: error: redefinition of 'template<class T> bool chmax(T&, T)'
  142 | template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:38:31: note: 'template<class T> bool chmax(T&, T)' previously declared here
   38 | template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
      |                               ^~~~~
a.cc:143:24: error: redefinition of 'template<class T> void debug(T)'
  143 | template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
      |                        ^~~~~
a.cc:39:24: note: 'template<class T> void debug(T)' previously declared here
   39 | template<class T> void debug(T v){rep(i,v.size()) cout<<v[i]<<" ";cout<<endl;}
      |                        ^~~~~
a.cc:144:10: error: redefinition of 'const ll dx [8]'
  144 | const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
      |          ^~
a.cc:40:10: note: 'const ll dx [8]' previously defined here
   40 | const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
      |          ^~
a.cc:145:10: error: redefinition of 'const ll dy [8]'
  145 | const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
      |          ^~
a.cc:41:10: note: 'const ll dy [8]' previously defined here
   41 | const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
      |          ^~
a.cc:151:8: error: redefinition of 'int main()'
  151 | signed main()
      |        ^~~~
a.cc:47:8: note: 'int main()' previously defined here
   47 | signed main()
      |        ^~~~