criyle/codenet-compile-errors huggingface dataset:
Language: C++

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

int main() {
  int n;
  cin>>n;
  string s;
  cin>>s;
  for(int i=0;i<min(n,s.size());i++){
    cout<<s.at(i);
  }
  if(n<s.size())cout<<"...";
  cout<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:20: error: no matching function for call to 'min(int&, std::__cxx11::basic_string<char>::size_type)'
    9 |   for(int i=0;i<min(n,s.size());i++){
      |                 ~~~^~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:9:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
    9 |   for(int i=0;i<min(n,s.size());i++){
      |                 ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:9:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |   for(int i=0;i<min(n,s.size());i++){
      |                 ~~~^~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi; 
typedef pair<int,int> pi;
#define F first;
#define S second;
#define pb push_back;
#define mp make_pair;
#define rep(i, a, b) for (int i=a; i<=b; i++)

int main(){
    ll t; cin>>t;
    string s;cin>>s;
    if(s.size()<=k) cout<<k;
    else{
        string tmp=s.substr(s.begin(),k);
        tmp+="...";
        cout<<tmp;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:18: error: 'k' was not declared in this scope
   15 |     if(s.size()<=k) cout<<k;
      |                  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
  int n;cin>>n;
  string s;cin>>s;
  if (s.size()<n)cout<<s;
  else cout<<s.substr(0,k)<<"...";

}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: 'k' was not declared in this scope
   10 |   else cout<<s.substr(0,k)<<"...";
      |                         ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  int K;
  string s;
  cin>>K>>s;
  if(s.length()<=K)
    cout<<s;
  else
    cout<<s.substr(0,K-1
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:25: error: expected ')' before '}' token
   12 |     cout<<s.substr(0,K-1
      |                   ~     ^
      |                         )
   13 | }
      | ~
Language: C++

/* HARDWORK IS THE KEY TO SUCCESS.
   RATING IS TEMPORARY , KNOWLEDGE IS PERMANENT.!!!*/

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define T ll t = 1; cin>>t; while(t--)
#define ain ll n,k,i; cin>>n; ll a[n]; for(i=0; i<n; i++) cin>>a[i]
#define matin ll m,n; cin >> n >> m; ll a[n + 1][m + 1]; for(ll i=1;i<=n;i++) for(ll j=1;j<=m;j++) cin>>a[i][j];
#define all(x) (x).begin(), (x).end()
#define F first
#define S second
#define I insert
#define pb push_back

const ll maxs = 5e5+3;
const ll maxs1 = 1e3+4;
const ll mod = 1e9 + 7;
inline ll add(ll a, ll b) { return (mod + a + b) % mod;}
inline ll sub(ll a, ll b) {return (a - b + mod) % mod;}
inline ll mul(ll a, ll b) {return (1ll * a * b) % mod;}
ll fastpow(ll x, ll y) {
    ll res = 1; x = x % mod; while (y > 0) { if(y & 1) res = (res * x) % mod; y = y >> 1;x = (x * x) % mod;}return res;}
ll inv(ll x) {
    return fastpow(x, mod - 2);
}


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll k;
    string s;
    cin >> k >> s;
    ll n = s.size();
    if(n <= k)
        cout << s;
    else
        {
            for(i = 0;i < k;++i)
                cout << s[i];
            cout << "...";
        }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:43:17: error: 'i' was not declared in this scope
   43 |             for(i = 0;i < k;++i)
      |                 ^
Language: C++

shirairyuutanoMacBook-ea:~ shirairyuta$ cd "/Users/shirairyuta/Desktop/" && g++ main.cpp -o main && "/Users/shirairyuta/Desktop/"main
1
pon
shirairyuutanoMacBook-ea:Desktop shirairyuta$ cd "/Users/shirairyuta/Desktop/" && g++ main.cpp -o main && "/Users/shirairyuta/Desktop/"main
2
hon
shirairyuutanoMacBook-ea:Desktop shirairyuta$ cd "/Users/shirairyuta/Desktop/" && g++ main.cpp -o main && "/Users/shirairyuta/Desktop/"main
7
nikoandsolstice
nikoand...
shirairyuutanoMacBook-ea:Desktop shirairyuta$ cd "/Users/shirairyuta/Desktop/" && g++ main.cpp -o main && "/Users/shirairyuta/Desktop/"main
40
ferelibenterhominesidquodvoluntcredunt
ferelibenterhominesidquodvoluntcredunt
shirairyuutanoMacBook-ea:Desktop shirairyuta$ 

Compiler output:
a.cc:1:1: error: 'shirairyuutanoMacBook' does not name a type
    1 | shirairyuutanoMacBook-ea:~ shirairyuta$ cd "/Users/shirairyuta/Desktop/" && g++ main.cpp -o main && "/Users/shirairyuta/Desktop/"main
      | ^~~~~~~~~~~~~~~~~~~~~
Language: C

#include "bits/stdc++.h"

using namespace std;

int k;
string s;
int main(){
    cin >> k >> s;
    for(int i = k; i < s.size(); ++i){
        s[i] = '.';
    }
    cout << s;
    return 0;
}

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include "bits/stdc++.h"
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include"bits/stdc++.h"
#define rep(i,n) for(ll i=0;i<n;++i)
#define ALL(x) x.begin(),x.end()

using namespace std;
typedef long long ll;

template<typename T>
T gcd(T a, T b) {
	if (a % b == 0) {
		return(b);
	}
	else {
		return(gcd(b, a % b));
	}
}

template<typename T>
T lcm(T a, T b) {
	return a / gcd(a, b) * b;
}

int main(void) {
	string s;
	int k;
	cin >> k >> s;
	if (s.length <= k) {
		cout << s;
	}
	else {
		for (int i = 0; i < k; ++i) {
			cout << s[i];
		}
		cout << "...";
	}
}

/*

*/


Compiler output:
a.cc: In function 'int main()':
a.cc:27:15: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   27 |         if (s.length <= k) {
      |             ~~^~~~~~
      |                     ()
Language: C++

#include <iostream>
#inlcude <string>
#include <cmath>

using namespace std;

int main()
{
    int k;
    string s;
    cin >> k >> s;
    if(s.size() <= k)
        cout << s << endl;
    else
        for(int i = 0; i < k; i++)
            cout << s[i];
    cout << "..." << endl;
    
    return 0;
}


Compiler output:
a.cc:2:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    2 | #inlcude <string>
      |  ^~~~~~~
      |  include
Language: C++

#include <bits/stdc++.h>
using namespace std;
template<class T> bool chmax(T& a,T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T& a,T b) { if (a > b) { a = b; return 1; } return 0; }

int main() {
    int k;
	string s;
    cin >> k >> s;
    string ans = s.substr(0, k);
    if (s.length() <= k) {
        cout << ans << '\n';
    } else {
        cout << ans << "..." << '\n';
    }
    return 0;
}#include <bits/stdc++.h>
using namespace std;
template<class T> bool chmax(T& a,T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T& a,T b) { if (a > b) { a = b; return 1; } return 0; }

int main() {
    int k;
	string s;
    cin >> k >> s;
    string ans = s.substr(0, k);
    if (s.length() <= k) {
        cout << ans << '\n';
    } else {
        cout << ans << "..." << '\n';
    }
    return 0;
}

Compiler output:
a.cc:17:2: error: stray '#' in program
   17 | }#include <bits/stdc++.h>
      |  ^
a.cc:17:3: error: 'include' does not name a type
   17 | }#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc:19:24: error: redefinition of 'template<class T> bool chmax(T&, T)'
   19 | template<class T> bool chmax(T& a,T b) { if (a < b) { a = b; return 1; } return 0; }
      |                        ^~~~~
a.cc:3:24: note: 'template<class T> bool chmax(T&, T)' previously declared here
    3 | template<class T> bool chmax(T& a,T b) { if (a < b) { a = b; return 1; } return 0; }
      |                        ^~~~~
a.cc:20:24: error: redefinition of 'template<class T> bool chmin(T&, T)'
   20 | template<class T> bool chmin(T& a,T b) { if (a > b) { a = b; return 1; } return 0; }
      |                        ^~~~~
a.cc:4:24: note: 'template<class T> bool chmin(T&, T)' previously declared here
    4 | template<class T> bool chmin(T& a,T b) { if (a > b) { a = b; return 1; } return 0; }
      |                        ^~~~~
a.cc:22:5: error: redefinition of 'int main()'
   22 | int main() {
      |     ^~~~
a.cc:6:5: note: 'int main()' previously defined here
    6 | int main() {
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define eps 1e-9
#define maxp 1000010
#define mod 1000000007
#define sin(s) scanf("%lld",&s);
#define sout(s) printf("%lld\n",s);
#define in(s) cin>>s
#define in2(a,b) cin>>a>>b
#define in3(a,b,c) cin>>a>>b>>c
#define vll vector<ll>
#define out(s) cout<<s
#define outs(s,a) cout<<s<<a
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define gear_change ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define nfl(i,n) for(i=0;i<n;i++)
#define sfl(i,s,e) for(i=s;i<e;i++)
#define ufl(i,n) for(i=n-1;i>=0;i--)
void solve(){
	ll k;
	in(k);
	string str;
	in(str);
	if(str.length()<=k){
		cout<<str<<'\n';
	}else{
		nfl(i,k){
			cout<<str[i];
		}
		cout<<"...\n";
	}
}
int main(){
	#ifndef ONLINE_JUDGE
	freopen("input.txt","r",stdin);
	#endif
	clock_t t1=clock();
	gear_change;
	ll test=1;
	// in(test);
	while(test--){
		solve();
	}
	clock_t t2=clock();
	cerr<<"Time elapsed:- "<<(double)(t2-t1)/CLOCKS_PER_SEC<<'\n';
}	

Compiler output:
a.cc: In function 'void solve()':
a.cc:32:21: error: 'i' was not declared in this scope
   32 |                 nfl(i,k){
      |                     ^
a.cc:21:22: note: in definition of macro 'nfl'
   21 | #define nfl(i,n) for(i=0;i<n;i++)
      |                      ^
Language: C

#include <bits/stdc++.h>

using namespace std;

using pii = pair<int, int>;
using pll = pair<long long, long long>;

int main() {
    int k;
    cin >> k;
    string s;
    cin >> s;
    for (int i = 0; i < min((int)s.size(), k); i++) {
        cout << s[i];
    }
    if (s.size() > k) {
        cout << "..." << endl;
    }
    else {
        cout << endl;
    }
}

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include <algorithm>
#include <cassert>
#include <climits>
#include <cstdio>
#include <deque>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

using namespace std;

const int INF = 1e9;
const long long LINF = 1e18;

int main() {
    int K;
    cin >> K;

    string S;
    cin >> S;

    if (S.size() <= K) {
        cout << S << endl;
    } else {
        cout << S.substr(0, K) << "..." << endl;
    }

    return 0;
}


Compiler output:
main.c:1:10: fatal error: algorithm: No such file or directory
    1 | #include <algorithm>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

/* HARDWORK IS THE KEY TO SUCCESS.
   RATING IS TEMPORARY , KNOWLEDGE IS PERMANENT.!!!*/

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define T ll t = 1; cin>>t; while(t--)
#define ain ll n,k,i; cin>>n; ll a[n]; for(i=0; i<n; i++) cin>>a[i]
#define matin ll m,n; cin >> n >> m; ll a[n + 1][m + 1]; for(ll i=1;i<=n;i++) for(ll j=1;j<=m;j++) cin>>a[i][j];
#define all(x) (x).begin(), (x).end()
#define F first
#define S second
#define I insert
#define pb push_back

const ll maxs = 5e5+3;
const ll maxs1 = 1e3+4;
const ll mod = 1e9 + 7;
inline ll add(ll a, ll b) { return (mod + a + b) % mod;}
inline ll sub(ll a, ll b) {return (a - b + mod) % mod;}
inline ll mul(ll a, ll b) {return (1ll * a * b) % mod;}
ll fastpow(ll x, ll y) {
    ll res = 1; x = x % mod; while (y > 0) { if(y & 1) res = (res * x) % mod; y = y >> 1;x = (x * x) % mod;}return res;}
ll inv(ll x) {
    return fastpow(x, mod - 2);
}


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll k,s;
    cin >> k >> s;
    ll n = s.size();
    if(n <= k)
        cout << s;
    else
        {
            for(i = 0;i < k;++i)
                cout << s[i];
            cout << "...";
        }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:14: error: request for member 'size' in 's', which is of non-class type 'long long int'
   37 |     ll n = s.size();
      |              ^~~~
a.cc:42:17: error: 'i' was not declared in this scope
   42 |             for(i = 0;i < k;++i)
      |                 ^
Language: C++

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

int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t; string s;
cin>>t>>s;
if(s.size() == t){
    cout<<s;
}else{
    for(int i= 0 ; iLk; i++){
        cout<<s[i];
    }cout<<"...";
}

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'iLk' was not declared in this scope
   12 |     for(int i= 0 ; iLk; i++){
      |                    ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define inf 1e18
#define IOS ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define pb push_back
#define ff first
#define ss second
#define vll vector<ll>
#define pii pair<ll,ll>
#define sz(v) (v).size()
#define srt(v) sort(v.begin(),v.end())
#define ull unsigned long long
#define tell(a) cout<<a<<" "
#define el cout<<endl
#define rev(v) reverse(v.begin(),v.end())
#define rep(i,a,n) for(int i=a;i<n;i++)
#define M 1000000007
ll power(ll x, ll y, ll p){ll res = 1;x = x % p;while (y > 0){   if (y & 1)res = (res*x) % p;y = y>>1;
x = (x*x) % p;}return res;}



int main()
{
	IOS;
	string s;
	int k;
	cin>>k>>s;
	if(s.size()<=k)cout<<s;
	else
	{
		string p;
		for(int i=0;i<k;i++)
		p.pb(s[i]);
		for(int i=k;i<k+3;i++)
		p.pb('.')
		cout<<p;
	}
}



Compiler output:
a.cc: In function 'int main()':
a.cc:37:26: error: expected ';' before 'cout'
   37 |                 p.pb('.')
      |                          ^
      |                          ;
   38 |                 cout<<p;
      |                 ~~~~
Language: C++

#include<bits/stdc++.h>
#include<unordered_set>
#include<unordered_map>
#include <algorithm> 
#include <iostream>
#include <string>
#include <cmath>
using namespace std;
#define ll long long
#define rep(i, n) for (ll i = 0; i < (n); i++)
#define FOR(i,a,b) for(ll i=(a);i<(b);i++)
#define FORR(i,a,b)for(ll i=(a);i<=(b);i++)
#define repR(i,n) for(ll i=n;i>=0;i--)
#define all(v)(v).begin(),(v).end()
#define rall(v)(v).rbegin(),(v).rend()
#define F first
#define S second
#define pb push_back
#define pu push
#define COUT(x) cout<<(x)<<endl
#define PQ priority_queue<ll>
#define PQR priority_queue<ll,vector<ll>,greater<ll>>
#define YES(n) cout << ((n) ? "YES" : "NO"  ) << endl
#define Yes(n) cout << ((n) ? "Yes" : "No"  ) << endl
#define mp make_pair
#define maxs(x,y) (x = max(x,y))
#define mins(x,y) (x = min(x,y))
#define sz(x) (ll)(x).size()
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll MOD = 1000000007LL;
const ll INF = 1LL << 60;
using vll = vector<ll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvll = vector<vll>;
using vstr = vector<string>;
using pll = pair<ll, ll>;
using vc = vector<char>;
using vvc = vector<vc>;
template<class T> inline bool chmax(T& a, T b) { 
 if (a < b) { a = b; return true; } return false; 
}
template<class T> inline bool chmin(T& a, T b) {
 if (a > b) { a = b; return true; } return false; 
}
ll dx[4]={0,1,0,-1};
ll dy[4]={1,0,-1,0};
int main(){
  ll n;
  cin>>n;
  string s;
  cin>>s;
  if(sz(s)<=n){
    COUT(s);
  }
  else{
    rep(i,k){
      cout<<s[i];
    }
    cout<<"...";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:58:11: error: 'k' was not declared in this scope
   58 |     rep(i,k){
      |           ^
a.cc:10:39: note: in definition of macro 'rep'
   10 | #define rep(i, n) for (ll i = 0; i < (n); i++)
      |                                       ^
Language: C++

def main():
    k = int(input())
    s = input()

    n = len(s)
    if n <= k:
        print(s)
    else:
        print(s[0:k] + '...')

if __name__ == '__main__':
    main()


Compiler output:
a.cc:9:24: warning: multi-character character constant [-Wmultichar]
    9 |         print(s[0:k] + '...')
      |                        ^~~~~
a.cc:11:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   11 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:1:1: error: 'def' does not name a type
    1 | def main():
      | ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define FOR(i, a, b) for(int i = (int)a; i <= (int)b; i++)
#define DEC(i, a, b) for(int i = (int)a; i >= (int)b; i--)
typedef pair<int, int> pi;
#define f first
#define s second
typedef vector<int> vi;
typedef vector<pi> vpi;
#define pb push_back
#define all(v) v.begin(), v.end()
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)

int k;
string s;

int main() {
	fastio; cin >> k >> s;
  if (s.length() <= k) cout << s;
  else {
    cout << s.substr(0, k) << "...";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:19:12: note: to match this '{'
   19 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,x,y) for(int i=x;i<y;i++)
#define print(A,x,n) rep(I,0,n){cout<<(I ? " ":"")<<A[I]x;}cout<<endl;
#define pprint(A,y,m,n) rep(J,0,m){print(A[J],y,n);}
const long mod=1e9+7;
const int size=1e5;
const int inf=1e9;
int main(){
	string s; cin>>s;
	if(s.size() <= K) cout<<s<<endl;
	else{
		rep(i,0,K) cout<<s[i];
		cout<<"..."<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: 'K' was not declared in this scope
   11 |         if(s.size() <= K) cout<<s<<endl;
      |                        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
#define INF 1000000000001
#define DIM 100001
#define mod 1000000007
#define PI 3.1415926535897932384626433
#define se second
#define fi first
#define pb push_back
#define T true
#define F false
#define endl "\n"
#define gg cout<<"OPS"<<endl;
#define qwe return 0;
#define amen exit(0);
typedef char ch;
typedef bool boll;
typedef string st;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef set < string > sst;
typedef set < long long > sll;
typedef queue < long long > que;
typedef deque < long long > deq;
typedef vector < long long > vec;
typedef map < long long, long long > mll;
typedef pair < long long, long long > pll;
typedef vector < pair < long long, long long > > vpl;
typedef pair < long long, unsigned long long > pul;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> sat_set;
ll t,n;
ld z,x,c;
int main()
{
     fast;
     cin>>k;
     st s;
     cin>>s;
     for(int i=0;i<k;i++)cout<<s[i];
     for(int i=k;i<s.size();i++)cout<<'.';
     cout<<endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:11: error: 'k' was not declared in this scope
   41 |      cin>>k;
      |           ^
Language: C++

#include <bits/stdc++.h>
#include <unistd.h>
#include <sys/time.h>
#include <stdlib.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll,ll> P;
typedef pair<P, ll> T;
 
long long int INF = 3e18;
const ll fact_table = 1200008;
double Pi = 3.1415926535897932384626;

priority_queue <ll> pql;
priority_queue <P> pqp;
priority_queue <P> bag;
//big priority queue
priority_queue <ll,vector<ll>,greater<ll> > pqls;
priority_queue <P,vector<P>,greater<P> > pqps;
//small priority queue
//top pop
 
ll dx[8]={1,0,-1,0,1,1,-1,-1};
ll dy[8]={0,1,0,-1,1,-1,-1,1};
char dir[] = "DRUL";
//↓,→,↑,←

// インタラクティブ問題の時はこのdefineを外してください
#define endl "\n"
#ifdef ENJAPMA
    #undef endl
#endif
#define p(x) cout<<x<<endl;
#define el cout<<endl;
#define pe(x) cout<<x<<" ";
#define ps(x) cout<<fixed<<setprecision(25)<<x<<endl;
#define pu(x) cout<<(x);
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define CLEAR(a) a = decltype(a)(); 
#define pc(x) cout << x << ",";
 
const ll mod = 998244353ll;
// const ll mod = 1000000007ll;
  
ll mypow(ll number1,ll number2, ll mod){
    if(number2 == 0){
        return 1ll;
    }else{
        ll number3 = mypow(number1,number2 / 2, mod);
        number3 *= number3;
        number3 %= mod;
        if(number2%2==1){
            number3 *= number1;
            number3 %= mod;
        }
        return number3;
    }
}
void YES(bool condition){
    if(condition){
        p("YES");
    }else{
        p("NO");
    }
    return;
}
void Yes(bool condition){
    if(condition){
        p("Yes");
    }else{
        p("No");
    }
    return;
}
/*

ll fact[fact_table + 5],rfact[fact_table + 5]; 
 
void c3_init(){
    fact[0] = rfact[0] = 1;
    for(ll i=1; i<=fact_table; i++){
        fact[i] = (fact[i-1]*i) % mod;
    }
    rfact[fact_table] = mypow(fact[fact_table],mod - 2, mod);
    for(ll i=fact_table; i>=1; i--){
       rfact[i-1] = rfact[i] * i;
       rfact[i-1] %= mod;
    }
    return;}
ll c3(ll n,ll r){
    assert(n >= r);
    assert(n >= 0);
    assert(r >= 0);
    return (((fact[n] * rfact[r]) % mod ) * rfact[n-r]) % mod;}
*/
bool multicase = false;

ll n,m,num,a,b,c,d,e,q, ans;
ll x[500005], y[500005], z[500005];
string s;

void solve(){
    cin >> s;
    if(s.size() <= k){
        p(s);
    }else{
        pu(s.substr(0, k));
        for(ll i=0;i<s-k;i++){
            pu(".");
        }
        el;
    }
    return;
}

int main(){
    // init();
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll q, testcase = 1;
    if(multicase){
        cin >> q;
    }else{
        q = 1; 
    }
    while(q--){
        pu("Case ");pu("#");pu(testcase);pu(": ");
        solve();
        testcase++;
    }
    // solve();
    return 0;
}
















Compiler output:
a.cc: In function 'void solve()':
a.cc:108:20: error: 'k' was not declared in this scope
  108 |     if(s.size() <= k){
      |                    ^
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <cmath>
namespace mp = boost::multiprecision;

using cpp_dec_float = mp::number<mp::cpp_dec_float<20>>;

using namespace std;

int main() {
  static const double pi = 3.141592653589793;
  int A,B,H,M;
  cin>>A>>B>>H>>M;
  cpp_dec_float ans=sqrt(A*A+B*B-2*A*B*(cpp_dec_float)cos(((cpp_dec_float)(((60*H+M)*11)%720)/360)*pi);
  if (H==6&&M==0)
    cout << A+B << endl;
  else
    cout << ans << endl;
  
}


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <cmath>
namespace mp = boost::multiprecision;

using cpp_dec_float = mp::number<mp::cpp_dec_float<20>>;

using namespace std;

int main() {
  static const double pi = 3.141592653589793;
  int A,B,H,M;
  cin>>A>>B>>H>>M;
  cpp_dec_float ans=sprt(A*A+B*B+2*A*B*cos(((60*H+M)*5.5/180%2)*pi));
  
  cout << ans << endl;
  
}



Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <cmath>
namespace mp = boost::multiprecision;

using cpp_dec_float = mp::number<mp::cpp_dec_float<20>>;

using namespace std;

int main() {
  static const double pi = 3.141592653589793;
  int A,B,H,M;
  cin>>A>>B>>H>>M;
  cpp_dec_float ans=sprt(A*A+B*B+2*A*B*cos((double)(60*H+M)*5.5/180*pi%(2*pi)));
  
  cout << ans << endl;
  
}



Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <cmath>
namespace mp = boost::multiprecision;

using cpp_dec_float = mp::number<mp::cpp_dec_float<20>>;

using namespace std;

int main() {
  double A,B,H,M;
  cin>>A>>B>>H>>M;
  cpp_dec_float ans=sprt(A*A+B*B+2*A*B*cos((double)(60*H+M)*5.5/180*pi()%(2*pi())));
  
  cout << ans << endl;
  
}


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>

namespace mp = boost::multiprecision;

using cpp_dec_float = mp::number<mp::cpp_dec_float<20>>;

using namespace std;

int main() {
  double A,B,H,M;
  cin>>A>>B>>H>>M;
  cpp_dec_float ans=sprt(A*A+B*B+2*A*B*cos((double)(60*H+M)*5.5/180*pi()%(2*pi())));
  
  cout << ans << endl;
  
}


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll=long long;
const double PI=acos(-1);
int main(){
  int a, b, h, m;
   cin >> a >> b >> h >> m;
  
  double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180;
  
  double ans=sqrt(a*a+b*b-2*a*b*cos(x*PI));
  
  printf("%10f\n",ans);
  
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: expected primary-expression before 'double'
   10 |   double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180;
      |            ^~~~~~
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll=long long;
const double PI=acos(-1);
int main(){
  int a, b, h, m;
   cin >> a >> b >> h >> m;
  
  double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180
  
  double ans;
    ans*ans=a*a+b*b-2*a*b*cos(x*PI);
  
  cout << ans << endl;
  
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: expected primary-expression before 'double'
   10 |   double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180
      |            ^~~~~~
a.cc:13:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |     ans*ans=a*a+b*b-2*a*b*cos(x*PI);
      |     ^~~
      |     abs
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll=long long;
const PI=acos(-1);
int main(){
  int a, b, h, m;
   cin >> a >> b >> h >> m;
  
  double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180
  
  double ans;
    ans*ans=a*a+b*b-2*a*b*cos(x*PI);
  
  cout << ans << endl;
  
}
  


Compiler output:
a.cc:5:7: error: 'PI' does not name a type
    5 | const PI=acos(-1);
      |       ^~
a.cc: In function 'int main()':
a.cc:10:12: error: expected primary-expression before 'double'
   10 |   double x=double min(abs(60*h-6*m),360-abs(60*h-6*m))/180
      |            ^~~~~~
a.cc:13:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |     ans*ans=a*a+b*b-2*a*b*cos(x*PI);
      |     ^~~
      |     abs
a.cc:13:33: error: 'PI' was not declared in this scope
   13 |     ans*ans=a*a+b*b-2*a*b*cos(x*PI);
      |                                 ^~
Language: C++

#include <bits/stdc++.h>

using namespace std;
int main(){
    int A,B,H,M;
    cin >> A >> B >> H >>M;
    long double theta_1,theta_2;
    theta_2 = (long double)(6 * M) % 360;
    theta_1 = (long double)(30 * H + M / 2)% 360;
    long double ans;
    long double radian_1,radian_2;
    radian_1 = theta_1 * M_PI /180;
    radian_2 = theta_2 * M_PI /180;
    cout << radian_1 << endl << radian_2 << endl;
    ans = sqrt((B*sin(radian_2)-A*sin(radian_1))*(B*sin(radian_2)-A*sin(radian_1))+
                (B*cos(radian_2)-A*cos(radian_1))*(B*cos(radian_2)-A*cos(radian_1)));
    cout << setprecision(16) <<ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:36: error: invalid operands of types 'long double' and 'int' to binary 'operator%'
    8 |     theta_2 = (long double)(6 * M) % 360;
      |               ~~~~~~~~~~~~~~~~~~~~ ^ ~~~
      |               |                      |
      |               long double            int
a.cc:9:44: error: invalid operands of types 'long double' and 'int' to binary 'operator%'
    9 |     theta_1 = (long double)(30 * H + M / 2)% 360;
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ ~~~
      |               |                              |
      |               long double                    int
Language: C++

A#include <bits/stdc++.h>
#include <stdio.h>
//#include <math.h>

int main() {
  int a, b, h, m; std::cin >> a >> b >> h >> m;
  double m_theta = 6 * m;
  double h_theta = 30 * h + m / 2.0;
  double theta = std::abs(m_theta - h_theta);
  if (theta > 180) theta = 360 - theta;
  double c_squ = a*a + b*b - 2*a*b*std::cos(theta * 3.1415926535897932 / 180.0);
  double c = sqrt(c_squ);

  printf("%.11lf\n", c);
  return 0;
  
}


Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | A#include <bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'A' does not name a type
    1 | A#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:6:24: error: 'cin' is not a member of 'std'
    6 |   int a, b, h, m; std::cin >> a >> b >> h >> m;
      |                        ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include <stdio.h>
  +++ |+#include <iostream>
    3 | //#include <math.h>
a.cc:9:23: error: 'abs' is not a member of 'std'
    9 |   double theta = std::abs(m_theta - h_theta);
      |                       ^~~
a.cc:11:41: error: 'cos' is not a member of 'std'
   11 |   double c_squ = a*a + b*b - 2*a*b*std::cos(theta * 3.1415926535897932 / 180.0);
      |                                         ^~~
a.cc:12:14: error: 'sqrt' was not declared in this scope
   12 |   double c = sqrt(c_squ);
      |              ^~~~
a.cc:14:3: error: 'printf' was not declared in this scope
   14 |   printf("%.11lf\n", c);
      |   ^~~~~~
a.cc:3:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
    2 | #include <stdio.h>
  +++ |+#include <cstdio>
    3 | //#include <math.h>
Language: C

#include <stdio.h>
#include<math.h>
long double M_PI=3.1415926535;
long double radian(int H,int M){
    long double t;
    t=fabs(30.*H-5.5*M);
    //printf("%20.20Lf",t);
    return t;
}
int main(void){
    // Your code here!
    int A,B,H,M;
    long double t;
    scanf("%d",&A);scanf("%d",&B);scanf("%d",&H);scanf("%d",&M);
    t=radian(H,M);
    long double d=sqrt((long double)(A*A+B*B-2*A*B*cos(M_PI*t/180.)));
    printf("%20.20Lf",d);
    return 0;
}

Compiler output:
In file included from main.c:2:
main.c:3:13: error: expected identifier or '(' before numeric constant
    3 | long double M_PI=3.1415926535;
      |             ^~~~
Language: C++

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

signed main(){
	double M_PI = acos(-1);
	double A, B;
	int H, M;
	scanf("%lf%lf", &A, &B);
	scanf("%d%d", &H, &M);
	double x = (H * 360 / 12 + M * 360 / 12 / 60) * M_PI / 180;
	double y = (M * 360 / 60) * M_PI / 180;
	printf("%.20lf\n", sqrt(A * A + B * B - 2 * A * B * cos(x - y)));
	return 0;
}

Compiler output:
In file included from /usr/include/c++/14/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:114,
                 from a.cc:1:
a.cc: In function 'int main()':
a.cc:5:16: error: expected unqualified-id before numeric constant
    5 |         double M_PI = acos(-1);
      |                ^~~~
Language: C++

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

signed main(){
	const double M_PI = acos(-1);
	double A, B;
	int H, M;
	scanf("%lf%lf", &A, &B);
	scanf("%d%d", &H, &M);
	double x = (H * 360 / 12 + M * 360 / 12 / 60) * M_PI / 180;
	double y = (M * 360 / 60) * M_PI / 180;
	printf("%.20lf\n", sqrt(A * A + B * B - 2 * A * B * cos(x - y)));
	return 0;
}

Compiler output:
In file included from /usr/include/c++/14/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:114,
                 from a.cc:1:
a.cc: In function 'int main()':
a.cc:5:22: error: expected unqualified-id before numeric constant
    5 |         const double M_PI = acos(-1);
      |                      ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
    int a, b, h, m;
    cin >> a >> b >> h >> m;

    long double rad;
    rad = 2.0 * M_PI *
          ((long double)h / 12.0 + ((long double)m / 60.0) / 12.0 -
           (long double)m / 60.0);

    long double rsq;
    rsq = (long double)(a * a + b * b) - (long double)(2 * a * b) * cosl(rad);
    // printf("%20.20Lf\n", sqrtl(rsq));
    cout << sqtl(rsq) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:13: error: 'sqtl' was not declared in this scope; did you mean 'sqrtl'?
   17 |     cout << sqtl(rsq) << endl;
      |             ^~~~
      |             sqrtl
Language: C++

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
using ll = long long;
int main() {
  ll a,b,c,d;
  cin>>a>>b>>c>>d;
  double e,f;
  e=(30*c-6*d)*pi/180;
  f=a*a+b*b-2*a*b*cos(e);
  double g=sqrt(f);
  cout << fixed << setprecision(16);
  cout<<g<<endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: 'pi' was not declared in this scope
    9 |   e=(30*c-6*d)*pi/180;
      |                ^~
Language: C++

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
using ll = long long;
int main() {
  ll a,b,c,d;
  cin>>a>>b>>c>>d;
  double e,f;
  e=(30*c-6*d)*PI()/180;
  f=a*a+b*b-2*a*b*cos(e);
  double g=sqrt(f);
  cout << fixed << setprecision(16);
  cout<<g<<endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: 'PI' was not declared in this scope
    9 |   e=(30*c-6*d)*PI()/180;
      |                ^~
Language: C

#include<stdio.h>
#include<math,h>
int main(void){double a,b,n,m;
scanf("%lf%lf%lf%lf",&a,&b,&n,&m);
n=30.0*(n+m/60.0);m=m*6.0;
printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));return 0;}


Compiler output:
main.c:2:9: fatal error: math,h: No such file or directory
    2 | #include<math,h>
      |         ^~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
#include<math,h>
int main(void){double a,b,n,m;
scanf("%lf%lf%lf%lf",&a,&b,&n,&m);
n=30.0*(n+m/60.0);m=m*6.0;
printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));return 0;}

Compiler output:
main.c:2:9: fatal error: math,h: No such file or directory
    2 | #include<math,h>
      |         ^~~~~~~~
compilation terminated.
Language: C

main(){double a,b,n,m;
scanf("%lf%lf%lf%lf",&a,&b,&n,&m);
n=30.0*(n+m/60.0);m=m*6.0;
printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}

Compiler output:
main.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
    1 | main(){double a,b,n,m;
      | ^~~~
main.c: In function 'main':
main.c:2:1: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    2 | scanf("%lf%lf%lf%lf",&a,&b,&n,&m);
      | ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | main(){double a,b,n,m;
main.c:2:1: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    2 | scanf("%lf%lf%lf%lf",&a,&b,&n,&m);
      | ^~~~~
main.c:2:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:4:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    4 | printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}
      | ^~~~~~
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:16: error: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration]
    4 | printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}
      |                ^~~~
main.c:1:1: note: include '<math.h>' or provide a declaration of 'sqrt'
  +++ |+#include <math.h>
    1 | main(){double a,b,n,m;
main.c:4:16: warning: incompatible implicit declaration of built-in function 'sqrt' [-Wbuiltin-declaration-mismatch]
    4 | printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}
      |                ^~~~
main.c:4:16: note: include '<math.h>' or provide a declaration of 'sqrt'
main.c:4:35: error: implicit declaration of function 'cos' [-Wimplicit-function-declaration]
    4 | printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}
      |                                   ^~~
main.c:4:35: note: include '<math.h>' or provide a declaration of 'cos'
main.c:4:35: warning: incompatible implicit declaration of built-in function 'cos' [-Wbuiltin-declaration-mismatch]
main.c:4:35: note: include '<math.h>' or provide a declaration of 'cos'
main.c:4:55: error: 'M_PI' undeclared (first use in this function)
    4 | printf("%.10f",sqrt(a*a+b*b-2*a*b*cos((n-m)/360.0*2.0*M_PI)));}
      |                                                       ^~~~
main.c:4:55: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
long double a,b,h,m;
 cin>>a>>b>>h>>m;
 static const long double pi = 3.141592653589793238462643;
long double kaku=0.00000000000000;
long double rag=0.0000000000000;
long double ans;
 if (h*30+m/2>m*6)
 {
    kaku=h*30+m/2-m*6;
 }
 else
 {
      kaku=m*6-(h*30+m/2);
 }
if (kaku180)
{
    kaku=360-kaku;
}
 
 
rag=kaku*pi/180.000000000000;
 ans=sqrt(a*a+b*b-2*a*b*cos(rag));
 cout<< std::setprecision(20)<<ans<<endl;
 
 
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'kaku180' was not declared in this scope; did you mean 'kaku'?
   19 | if (kaku180)
      |     ^~~~~~~
      |     kaku
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
long double a,b,h,m;
 cin>>a>>b>>h>>m;
 static const long double pi = 3.141592653589793238462643;
long double kaku=0.00000000000000;
long double rag=0.0000000000000;
long double ans;
 if (h*30+m/2>m*6)
 {
    kaku=h*30+m/2-m*6;
 }
 else
 {
      kaku=m*6-(h*30+m/2);
 }
if (kaku=>180)
{
    kaku=kaku-180.000000;
}
 
 
rag=kaku*pi/180.000000000000;
 ans=sqrt(a*a+b*b-2*a*b*cos(rag));
 cout<< std::setprecision(20)<<ans<<endl;
 
 
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:10: error: expected primary-expression before '>' token
   19 | if (kaku=>180)
      |          ^
Language: C++

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

int main() {
long double a,b,h,m;
 cin>>a>>b>>h>>m;
 static const long double pi = 3.141592653589793238462643;
 long double kakuh =h*30;
 long double kakum =h*6;

long double kaku=abs(kakuh+kakum/12-kakum)
long double rag=kaku*pi/180;
long double ans=sqrt(a*a+b*b-2*a*b*cos(rag));


 cout<< std::setprecision(15)<<ans<<endl;
 
 

}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:1: error: expected ',' or ';' before 'long'
   12 | long double rag=kaku*pi/180;
      | ^~~~
a.cc:13:40: error: 'rag' was not declared in this scope
   13 | long double ans=sqrt(a*a+b*b-2*a*b*cos(rag));
      |                                        ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;
using Graph = vector<vector<int>>;

int main() {
  int a,b,h,m;
  cin>>a>>b>>h>>m;
  double ai,bi,ax,ay,bx,by,ans,ansa,ansb;
  double pi=3.14159265358979;
  ai=(30*h+m/2)*pi/180;
  bi=6*m*pi/180;
  double ci=abs(ai-bi);
  ax=a*cos(ai);
  ay=a*sin(ai);
  bx=b*cos(bi);
  by=b*sin(bi);
  ansa=sqrt((ax-bx)*(ax-bx)+(ay-by)*(ay-by));
  ansb=sqrt(a*a+b*b-2*a*b*cos(ci));
  ans=sqrt(ansa+ansb)
  cout << fixed << setprecision(10);
  
  cout<<ans<<endl;
}
 


Compiler output:
a.cc: In function 'int main()':
a.cc:20:22: error: expected ';' before 'cout'
   20 |   ans=sqrt(ansa+ansb)
      |                      ^
      |                      ;
   21 |   cout << fixed << setprecision(10);
      |   ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define pi 3.14159265358979323846264338327950L

int main(void){
    int a,b,h,m;
    cin >> a >> b >> h >> m;
    
    long double s_dig = h * 60 * 0.5　+ m * 0.5;
    long double l_dig = m * 6;
    
    long double dig = abs(s_dig - l_dig);
    if(dig>180) long double dig = 360 - dig;
    
    long double ct =  (long double)(a*a + b*b) - (long double)(2*a*b) * cosl(dig / 180 * pi );
    
    long double ans =  (long double)sqrt(ct);
    cout << ans;
    
    return 0;
}


Compiler output:
a.cc:9:34: error: extended character 　 is not valid in an identifier
    9 |     long double s_dig = h * 60 * 0.5　+ m * 0.5;
      |                                  ^
a.cc: In function 'int main()':
a.cc:9:34: error: unable to find numeric literal operator 'operator""\U00003000'
    9 |     long double s_dig = h * 60 * 0.5　+ m * 0.5;
      |                                  ^~~~~
Language: C++

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

const double pi = 3.141592653589793;

double law_cos(int x, int y, double t){
  double z;
  z  = pow(x * x + y * y - 2 * x * y * cos(t), 0.5);
  return z;
}
 
int main(){
  cout << fixed << setprecision(10);
  int a, b, h, m;
  cin >> a >> b >> h >> m;
  
  double angle_h = (h * pi / 6) + (m * pi / 360);
  double angle_m = m * pi / 30;
  
  //cout << angle_h << " " << angle_m << endl;
  
  double angle;
  if(abs(angle_h - angle_m) <= pi) angle = abs(angle_h - angle_m);
  else angle = 2 * pi - (abs(angle_h - angle_m));
  
  //cout << cos(angle) << endl;
  
  cout << law_cos(a, b, angle) << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'double law_cos(int, int, double)':
a.cc:8:40: error: 'cos' was not declared in this scope; did you mean 'const'?
    8 |   z  = pow(x * x + y * y - 2 * x * y * cos(t), 0.5);
      |                                        ^~~
      |                                        const
a.cc:8:8: error: 'pow' was not declared in this scope
    8 |   z  = pow(x * x + y * y - 2 * x * y * cos(t), 0.5);
      |        ^~~
a.cc: In function 'int main()':
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout << fixed << setprecision(10);
      |   ^~~~
a.cc:13:11: error: 'fixed' was not declared in this scope
   13 |   cout << fixed << setprecision(10);
      |           ^~~~~
a.cc:13:20: error: 'setprecision' was not declared in this scope
   13 |   cout << fixed << setprecision(10);
      |                    ^~~~~~~~~~~~
a.cc:15:3: error: 'cin' was not declared in this scope
   15 |   cin >> a >> b >> h >> m;
      |   ^~~
a.cc:23:6: error: 'abs' was not declared in this scope
   23 |   if(abs(angle_h - angle_m) <= pi) angle = abs(angle_h - angle_m);
      |      ^~~
a.cc:28:35: error: 'endl' was not declared in this scope
   28 |   cout << law_cos(a, b, angle) << endl;
      |                                   ^~~~
Language: C++

#include <iostream>
#include <iomanip>
#include <cmath>
#include <cstdlib>
#include <math.h>
#include <bits/stdc++.h>
using namespace std;
int main(){
  int a, b, h, m;
  const double PI = acos(-1);
  cin >> a >> b >> h >> m;
  double th = double(60*h+m)*(PI/360);
  double tm = double(m)*(PI/30);
  if(th-tm > PI){
    double rad = abs(360-(th-tm));
  }else{
    double rad = abs(th-tm);
  }
  double ans = a*a+b*b+a*b*cos(rad);
  ans = sqrt(ans);
  cout << fixed << setprecision(20) << ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:32: error: 'rad' was not declared in this scope; did you mean 'read'?
   19 |   double ans = a*a+b*b+a*b*cos(rad);
      |                                ^~~
      |                                read
Language: C++

#include <iostream>
#include <iomanip>
#include <cmath>
#include <cstdlib>
#include <math.h>
#include <bits/stdc++.h>
using namespace std;
int main(){
  int a, b, h, m;
  const double PI = acos(-1);
  cin >> a >> b >> h >> m;
  double th = double(60*h+m)*(PI/360);
  double tm = double(m)*(PI/30);
  rad = abs(h-m);
  ans = a*a+b*b+a*b*cos(rad);
  ans = sqrt(ans);
  cout << fixed << setprecision(20) << ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: 'rad' was not declared in this scope; did you mean 'read'?
   14 |   rad = abs(h-m);
      |   ^~~
      |   read
a.cc:15:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |   ans = a*a+b*b+a*b*cos(rad);
      |   ^~~
      |   abs
Language: C

#include <bits/stdc++.h>

using namespace std;

#define reps(i,s,n) for(int (i) = (s); (i) < (n); (i)++)
#define rep(i,n) reps(i,0,n)

typedef long long ll;
typedef vector<int> vi;

#define PI 3.14159265

double solve() {
    int A, B, H, M; cin >> A >> B >> H >> M;
    double angle = 30 * H - 5.5 * M;
    if (angle < 0.0) {
        angle += 360.0;
    }
    if (angle > 180.0) {
        angle = 360.0 - angle;
    }
    double res = sqrt(A*A + B*B - 2 * A * B * cos(angle * PI / 180.0));
    return res;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

	cout << solve() << endl;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

public class demo {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        double a, b, h, m;
        a = in.nextDouble();
        b = in.nextDouble();
        h = in.nextDouble();
        m = in.nextDouble();
        in.close();
        double h_angle = 0.5 * (h * 60 + m);
        double m_angle = 6 * m;
        double angle = Math.abs(h_angle - m_angle);
        angle = Math.min(angle, 360 - angle);
        double res = Math.sqrt(a*a + b*b - 2*a*b*Math.cos(angle*Math.PI/180));
        System.out.printf("%.20f\n", res);
    }
}


Compiler output:
Main.java:3: error: class demo is public, should be declared in a file named demo.java
public class demo {
       ^
1 error