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

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <iomanip>
#include <vector>
#include <string.h>
#include <string>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <math.h>
#include <algorithm>
#include <numeric>

using namespace std;

// マクロ&定数 ============================================================
typedef unsigned int uint;
typedef long long ll;
//typedef pair<int, int> P;
typedef vector<int> vint;
typedef vector<ll> vll;
typedef vector<double> vdouble;
typedef vector<bool> vbool;

typedef vector<vector<int>> vvint;
typedef vector<vector<ll>> vvll;
typedef vector<vector<double>> vvdouble;
typedef vector<vector<bool>> vvbool;

const int INF = 1e9 + 1;
const ll LLINF = 1e17 + 1;
const int DX[9] = { 0,0,1,-1, 1, 1, -1, -1, 0 }; // 4;４近傍
const int DY[9] = { 1,-1,0,0, 1, -1, 1, -1, 0 }; // 8:８近傍 9:(0,0)を含む
const ll MOD = 1e9 + 7; //10^9 + 7
const double PI = 3.14159265358979323846264338327950288;
//========================================================================

int main() {
	
	//==================================
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	cout << fixed << setprecision(30);
	//==================================
	

	string S;
	cin >> S;
	ll K;
	cin >> K;

	int seq = 0;
	int N = S.length();



	for (int i = 0; i < N; i++) {

		for (int j = 1;i + j < N; j++) {
			if (S[i] == S[i+j]) {

				if (j % 2 == 1) {
					seq++;
				}				

			}
			else {
				i += j - 1;
				break;
			}
		}



	}


	ll ans = seq * K;

	if (S[0] == S[N - 1]) {

		int last = 0;
		for (int i = 0; i < N; i++) {
			if (S[0] == S[i]) {
				last++;
			}
			else {
				break;
			}
		}
		for (int i = N - 1; i >= 0; i--) {
			if (S[0] == S[i]) {
				last++;
			}
			else {
				break;
			}
		}

		if (last == N * 2) {
			cout << N * K / 2;
			return 0;
		}
		else {


			if (last % 2 == 1) {
				cout << ans;
				return 0;
			}
			else {

				int len = 0;
				for (int i = 0; i < N; i++) {
					if (S[i] == S[0]) {
						len++;
					}
					else {
						break;
					}
				}


				if (len % 2 == 0) {
					cout << ans;
					return 0;
				}
				else {
					cout << 0://ans + K - 1;
					return 0;
				}
			}

		}



	}
	else {
		cout << ans;
		return 0;
	}



}


Compiler output:
a.cc: In function 'int main()':
a.cc:132:50: error: expected ';' before ':' token
  132 |                                         cout << 0://ans + K - 1;
      |                                                  ^
      |                                                  ;
Language: C++

#include <bits/stdc++.h>

using namespace std;

long long solve(string s, long long k) {
	long long n = s.size();
  	if (count(s.begin(), s.end(), s[0]) == n)
      	return (n * k) / 2;
    }
	if (k == 1) {
    	long long ans = 0;
    	for(int i = 1; i < n; i++) {
          	if (s[i] == s[i - 1]) ans++, i++;
        }
      	return ans;
    }
	if (s[0] != s[n - 1])
      	return solve(s, 1) * k;
	int pref = 0;
	while (s[pref] == s[0]) pref++;
	string inside = s.substr(pref, n - pref) + s.substr(0, pref);
	return solve(s, 1) + solve(inside, k - 1);
}
int main() {
  	string s; long long k;
	cin >> s >> k;
	cout << solve(s, k);
}

Compiler output:
a.cc:10:9: error: expected unqualified-id before 'if'
   10 |         if (k == 1) {
      |         ^~
a.cc:17:9: error: expected unqualified-id before 'if'
   17 |         if (s[0] != s[n - 1])
      |         ^~
a.cc:20:9: error: expected unqualified-id before 'while'
   20 |         while (s[pref] == s[0]) pref++;
      |         ^~~~~
a.cc:21:25: error: 's' was not declared in this scope
   21 |         string inside = s.substr(pref, n - pref) + s.substr(0, pref);
      |                         ^
a.cc:21:40: error: 'n' was not declared in this scope; did you mean 'yn'?
   21 |         string inside = s.substr(pref, n - pref) + s.substr(0, pref);
      |                                        ^
      |                                        yn
a.cc:21:52: error: 's' was not declared in this scope
   21 |         string inside = s.substr(pref, n - pref) + s.substr(0, pref);
      |                                                    ^
a.cc:22:9: error: expected unqualified-id before 'return'
   22 |         return solve(s, 1) + solve(inside, k - 1);
      |         ^~~~~~
a.cc:23:1: error: expected declaration before '}' token
   23 | }
      | ^
a.cc: In function 'long long int solve(std::string, long long int)':
a.cc:9:5: warning: control reaches end of non-void function [-Wreturn-type]
    9 |     }
      |     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	cin>>s;
	if(s.size()==1)
	{
		cout<<s.size()*k/2;
		return 0;
	}
	s+='~';
	long long k;
	cin>>k;
	int sum=1;
	long long ans=0;
	for(int i=1;i<=s.size();i++)
	{
		if(s[i]==s[i-1])
		{
			sum++;
		}
		else
		{
			ans+=sum/2;
			sum=1;
		}
	}
	int first=1;
	for(int i=1;i<s.size();i++)
	{
		if(s[i]==s[i-1])
		{
			first++;
		}
		else
		{
			break;
		}
	}
	int last=1;
	for(int i=s.size()-2;i>=0;i--)
	{
		if(s[i]==s[i+1])
		{
			last++;
		}
		else
		{
			break;
		}
	}
	ans*=k;
	if(s[0]==s[s.size()-1]&&(first+last)%2==0&&k>1&&(first%2!=0||last%2!=0))
	{
		ans+=k-1;
	}
	cout<<ans;
	return 0;	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:32: error: 'k' was not declared in this scope
    9 |                 cout<<s.size()*k/2;
      |                                ^
Language: C++

#include <bits/stdc++.h>
#define be(v) (v).begin(),(v).end()
#define pb(q) push_back(q)
typedef long long ll;
using namespace std;
const ll mod=1000000007;
#define doublecout(a) cout<<fixed<<setprecision(10)<<a<<endl;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    string s;
    cin>>s;
    ll n=s.length();
    ll k;
    cin>>k;
    ll ans=0LL;
    if(n==1){
        cout << k/2<<endl;
        return 0;
    }
    bool maki=true;

    ll num=1LL;
    for(int i=1;i<n;i++){
        if(s[i]!=s[i-1])maki=false;
        if(i==n-1){
            if(s[i]==s[i-1])num++;
            ans+=(num/2);
        }
        else if(s[i]==s[i-1]){
            num++;
        }
        else{
            ans+=(num/2);
            num=1;
        }
    }
    if(maki){
        cout << n*k/2;<<endl;
        return 0;
    }
    //cout<<ans<<endl;
    if(k>1 && s[0]==s[n-1]){
        if(s[0]==s[1])s[0]='1';
        else s[n-1]='1';
        ans+=k-1;
    }
    ///cout << ans<<endl;
    num=1LL;
    ll a=0LL;
    for(int i=1;i<n;i++){
        if(i==n-1){
            if(s[i]==s[i-1])num++;
            a+=num/2;
        }
        else if(s[i]==s[i-1]){
            num++;
        }
        else{
            a+=num/2;
            num=1;
        }
    }
    //cout << a<<endl;
    ans+=(k-1)*a;
    cout << ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:40:23: error: expected primary-expression before '<<' token
   40 |         cout << n*k/2;<<endl;
      |                       ^~
Language: C++

#include <iostream>
#include <string>
using namespace std;

long long solve(string S) {
	long long cnt = 0, ret = 0;
	for (int i = 0; i < S.size(); i++) {
		cnt++;
		if (i == (int)S.size() - 1 || S[i] != S[i + 1]) {
			ret += cnt / 2;
			cnt = 0;
		}
	}
	return ret;
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include<stdio.h>
#include<iostream>
#include<math.h>
#include<string>
using namespace std;
char a[105];
int i;
int x,sum;
int main(){
	cin>>a;
	x=strlen(a);
	for(i=0;i<x-1;i++)if(a[i+1]==a[i])sum++;
	if(sum%2==0)cout<<sum<<endl;
	else cout<<sum-1<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: 'strlen' was not declared in this scope
   11 |         x=strlen(a);
      |           ^~~~~~
a.cc:4:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include<math.h>
  +++ |+#include <cstring>
    4 | #include<string>
Language: C++

// uno {{{
#include <bits/stdc++.h>
#include <unistd.h>
#define SZ(x) ((int)(x).size())
#define ALL(c) begin(c),end(c)
#define REP(i,n) for ( int i=0; i<(int)(n); i++ )
#define REP1(i,a,b) for ( int i=(int)(a); i<=(int)(b); i++ )
#define FOR(it,c) for ( auto it=(c).begin(); it!=(c).end(); it++ )
#define MP make_pair
#define PB push_back
using namespace std;
typedef pair<int,int> PII;
typedef vector<int> VI;
typedef long long LL;

void RI() {}

template<typename... T>
void RI( int& head, T&... tail ) {
    scanf("%d",&head);
    RI(tail...);
}

template<typename T>
void _dump( const char* s, T&& head ) { cerr<<s<<"="<<head<<endl; }

template<typename T, typename... Args>
void _dump( const char* s, T&& head, Args&&... tail ) {
    int c=0;
    while ( *s!=',' || c!=0 ) {
        if ( *s=='(' || *s=='[' || *s=='{' ) c++;
        if ( *s==')' || *s==']' || *s=='}' ) c--;
        cerr<<*s++;
    }
    cerr<<"="<<head<<", ";
    _dump(s+1,tail...);
}

#define dump(...) _dump(#__VA_ARGS__, __VA_ARGS__);

template<typename A, typename B>
ostream& operator <<( ostream &s, const pair<A,B> &p ) { return s<<"("<<p.first<<","<<p.second<<")"; }

template<typename Iter>
ostream& _out( ostream &s, Iter b, Iter e ) {
    s<<"[";
    for ( auto it=b; it!=e; it++ ) s<<(it==b?"":" ")<<*it;
    s<<"]";
    return s;
}

template<typename T>
ostream& operator <<( ostream &s, const vector<T> &c ) { return _out(s,ALL(c)); }
template<typename T>
ostream& operator <<( ostream &s, const set<T> &c ) { return _out(s,ALL(c)); }
template<typename A, typename B>
ostream& operator <<( ostream &s, const map<A,B> &c ) { return _out(s,ALL(c)); }
// }}}

string S;
LL K;
void input() {
    cin >> S;
    RI(K);
}

void solve() {
    LL ans1 = 0, ans2 = 0;
    int n = S.length();
    
    if(S == string(S[0], n)) {
        printf("%d\n", K*n/2);
    } else {
        REP(i, n-1) {
            if(S[i%n] == S[(i+1) % n]) {
                ans1++;
                i++;
            }
        }
        REP(i, 2*n-1) {
            if(S[i%n] == S[(i+1) % n]) {
                ans2++;
                i++;
            }
        }
        printf("%lld", ans1 + (ans2 - ans1)*(K-1));
    }
}

int main( int argc, char *argv[] ) {
    input();
    solve();
    return 0;
}


Compiler output:
a.cc: In function 'void input()':
a.cc:64:7: error: no matching function for call to 'RI(LL&)'
   64 |     RI(K);
      |     ~~^~~
a.cc:19:6: note: candidate: 'template<class ... T> void RI(int&, T& ...)'
   19 | void RI( int& head, T&... tail ) {
      |      ^~
a.cc:19:6: note:   template argument deduction/substitution failed:
a.cc:64:8: note:   cannot convert 'K' (type 'LL' {aka 'long long int'}) to type 'int&'
   64 |     RI(K);
      |        ^
a.cc:16:6: note: candidate: 'void RI()'
   16 | void RI() {}
      |      ^~
a.cc:16:6: note:   candidate expects 0 arguments, 1 provided
Language: Java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Scratch {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        String s = br.readLine();
        long k = Integer.parseInt(br.readLine());
        int[] arr = new int[s.length()];
        int count = 1;
        int j = 0;
        int ans = 0;
        for (int i = 1; i < s.length(); i++) {
            if (s.charAt(i) != s.charAt(i - 1)) {
                ans += count/2;
                count = 0;
                arr[j++] = count;
            }
            count++;
        }
        arr[j++] = count;
        ans += count/2;
        ans *= k;
        if (j == 1) {
            System.out.println(arr[j] * k);
        } else if ((s.charAt(0) == s.charAt(s.length() - 1)) &&
                (arr[0] % 2 == 1) && (arr[j] % 2 == 1)){
            ans += k - 1;
        }
        System.out.println(ans);
        bw.flush();
        bw.close();
        br.close();
    }
}

Compiler output:
Main.java:7: error: class Scratch is public, should be declared in a file named Scratch.java
public class Scratch {
       ^
1 error
Language: Java

public class Main {	
  public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    String s = br.readLine();		
    long k = Integer.parseInt(br.readLine());
    int[] arr = new int[s.length()];
    int count = 1;
    int j = 0;
    for (int i = 1; i < s.length(); i++) {
      if (s.charAt(i) != s.charAt(i - 1)) {
        ans += count/2;
        count = 0;
        arr[j++] = count;
      }
      count++;
    }
    arr[j++] = count;
    ans += count/2;
    ans *= k;
    if (j == 1) {
      System.out.println(arr[j] * k);
    } else if ((s.charAt(0) == s.charAt(s.length() - 1)) &&
               (arr[0] % 2 == 1) && (arr[j] % 2 == 1)){
      ans += k - 1;
    }
    System.out.println(ans);
    bw.flush();
	bw.close();
	br.close();
  }
}

Compiler output:
Main.java:3: error: cannot find symbol
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    ^
  symbol:   class BufferedReader
  location: class Main
Main.java:3: error: cannot find symbol
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
                            ^
  symbol:   class BufferedReader
  location: class Main
Main.java:3: error: cannot find symbol
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
                                               ^
  symbol:   class InputStreamReader
  location: class Main
Main.java:4: error: cannot find symbol
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    ^
  symbol:   class BufferedWriter
  location: class Main
Main.java:4: error: cannot find symbol
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
                            ^
  symbol:   class BufferedWriter
  location: class Main
Main.java:4: error: cannot find symbol
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
                                               ^
  symbol:   class OutputStreamWriter
  location: class Main
Main.java:12: error: cannot find symbol
        ans += count/2;
        ^
  symbol:   variable ans
  location: class Main
Main.java:19: error: cannot find symbol
    ans += count/2;
    ^
  symbol:   variable ans
  location: class Main
Main.java:20: error: cannot find symbol
    ans *= k;
    ^
  symbol:   variable ans
  location: class Main
Main.java:25: error: cannot find symbol
      ans += k - 1;
      ^
  symbol:   variable ans
  location: class Main
Main.java:27: error: cannot find symbol
    System.out.println(ans);
                       ^
  symbol:   variable ans
  location: class Main
11 errors
Language: C

#include<stdio.h>


int main()
{
	char s[110] = { '\0' };
	long long k;
	int i = 0;
	char ch = getchar();
	while (ch != '\n')
	{
		s[i++] = ch;
		ch = getchar();
	}
	scanf_s("%lld", &k);


	long long sum = 0;
	int count = 0;

	int flag = 0;

	for (int j = 1; j <= i; j++)
	{
		if (s[j] == s[j - 1])
		{
			if (flag == 0)
			{
				flag = 1;
				count = 2;
			}
			else
			{
				count++;
			}
		}
		if (s[j] != s[j - 1] && flag == 1)
		{
			sum += count / 2;
			flag = 0;
		}
	}

	printf("%lld\n", sum*k);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
   15 |         scanf_s("%lld", &k);
      |         ^~~~~~~
      |         scanf
Language: C++

#include<iostream>
#include<stdlib>
#include<math>
#include<string>
using namespace std;
#pragma warning(disable:4996)
int main()
{
	string s;
	int k;
	cin >> s;
	scanf("%d", &k);
	int len = s.length();
	long long count = 0, temp = 1, j = 1, flag = 0;
	for (int i = 0;i<len; i++)
	{
		if(s[i] == s[i + 1])
		{
			j++;
			if (!flag)temp++;
		}
		
		else {
			count += j / 2;
			flag = 1;
			if (i!=len-1)j = 1;
			
		}
	}
	if(j==len)printf("%lld", 1ll*j*k/2);
	else {
		if (s[0] == s[len - 1] &&temp%2&&count%2)printf("%lld", count*k + k - 1);
		else printf("%lld", count*k);
	}
	//system("pause");
	return 0;
}

Compiler output:
a.cc:2:9: fatal error: stdlib: No such file or directory
    2 | #include<stdlib>
      |         ^~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main() {
	char str[102];
	int n, len = 0;
	long long cnt = 0, cntn = 0;
	char ch;
	ch = getchar();
	while (ch != '\n') {
		str[len++] = ch;
		ch = getchar();
	}
	scanf_s("%d", &n);
	str[len] = str[0];
	str[len++] = '\0';
	for (int i = 1; i < len; i++) {
		if (str[i]==str[i-1]) {
			cntn++;
		}
		else{
			if (cntn & 1) {
				cnt += (cntn + 1) / 2;
			}
			else {
				cnt += cntn / 2;
			}
			cntn = 0;
		}
	}
	cnt *= n;
	printf("%lld\n", cnt);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   16 |         scanf_s("%d", &n);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#pragma warning(disable:4996)

int main() {
	char str[102];
	int n;
	long long cnt = 0, cntn = 0;
	gets(str);
	scanf("%d", &n);
	int len = strlen(str);
	str[len] = str[0];
	str[len++] = '\0';
	for (int i = 1; i < len; i++) {
		if (str[i]==str[i-1]) {
			cntn++;
		}
		else{
			if (cntn & 1) {
				cnt += (cntn + 1) / 2;
			}
			else {
				cnt += cntn / 2;
			}
			cntn = 0;
		}
	}
	cnt *= n;
	printf("%lld\n", cnt);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |         gets(str);
      |         ^~~~
      |         getw
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main() {
	char str[102];
	int n;
	long long cnt = 0, cntn = 0;
	gets_s(str);
	scanf("%d", &n);
	int len = strlen(str);
	str[len] = str[0];
	str[len++] = '\0';
	for (int i = 1; i < len; i++) {
		if (str[i]==str[i-1]) {
			cntn++;
		}
		else{
			if (cntn & 1) {
				cnt += (cntn + 1) / 2;
			}
			else {
				cnt += cntn / 2;
			}
			cntn = 0;
		}
	}
	cnt *= n;
	printf("%lld\n", cnt);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'gets_s' was not declared in this scope
   10 |         gets_s(str);
      |         ^~~~~~
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main() {
	char str[102];
	int n;
	long long cnt = 0, cntn = 0;
	gets(str);
	scanf_s("%d", &n);
	int len = strlen(str);
	str[len] = str[0];
	str[len++] = '\0';
	for (int i = 1; i < len; i++) {
		if (str[i]==str[i-1]) {
			cntn++;
		}
		else{
			if (cntn & 1) {
				cnt += (cntn + 1) / 2;
			}
			else {
				cnt += cntn / 2;
			}
			cntn = 0;
		}
	}
	cnt *= n;
	printf("%lld\n", cnt);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   10 |         gets(str);
      |         ^~~~
      |         getw
a.cc:11:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   11 |         scanf_s("%d", &n);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#pragma warning(disable:4996)

int main() {
	char str[102];
	int n;
	long long cnt = 0, cntn = 0;
	gets_s(str);
	scanf("%d", &n);
	int len = strlen(str);
	str[len] = str[0];
	str[len++] = '\0';
	for (int i = 1; i < len; i++) {
		if (str[i]==str[i-1]) {
			cntn++;
		}
		else{
			if (cntn & 1) {
				cnt += (cntn + 1) / 2;
			}
			else {
				cnt += cntn / 2;
			}
			cntn = 0;
		}
	}
	cnt *= n;
	printf("%lld\n", cnt);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'gets_s' was not declared in this scope
   11 |         gets_s(str);
      |         ^~~~~~
Language: C++

#include<stdio.h>
#include<string.h>
#include<string>
using namespace std;
int main(){
	int leng;
	long long k,ci;
	char s[150];
	gets(s);
	scanf("%lld",&k);
	ci=0;
	leng=strlen(s);
	for(int i=0;i<leng;i++){
		if(i==0){
			if(s[0]==s[1])
			ci=ci+1;
			//i=i+1;
		}
	else if(s[i]==s[i+1]||s[i]==s[i-1])
	ci=ci+1;
	i=i+1;
	}
	ci=ci*k;
	printf("%lld",ci);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

#include <cstdio>
#include <string.h>
using namespace std;
char pok[210],pok0[210];
bool pokm1[210]={0},pokm2[210]={0};
int main()
{
	long long ans0=0,k,ans1=0,p;
	gets(pok);
	scanf("%lld",&k);
	for(int i=0;i<strlen(pok);i++)
	{
		if(pok[i]==pok[i+1]&&pokm1[i+1]==0&&pokm1[i]==0)
		{
			pokm1[i+1]=1;
			pokm1[i]=1;
			ans0++;
		}
	}
	strcpy(pok0,pok);
	strcat(pok0,pok);
	for(int i=0;i<strlen(pok0);i++)
	{
		if(pok0[i]==pok0[i+1]&&pokm2[i+1]==0&&pokm2[i]==0)
		{
			pokm2[i+1]=1;
			pokm2[i]=1;
			ans1++;
		}
	}
	p=ans1-2*ans0;
	printf("%lld",k*ans0+(k-1)*p);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(pok);
      |         ^~~~
      |         getw
Language: C++

#include<stdio.h>
#include<string.h>
#include<string>
using namespace std;
int main(){
	int leng;
	long long k,ci;
	char s[101];
	gets(s);
	scanf("%lld",&k);
	ci=0;
	leng=strlen(s);
	for(int i=0;i<leng;i++){
	if(s[i]==s[i+1]||s[i]==s[i-1])
	ci=ci+1;
	i=i+1;	
	}
	ci=ci*k;
	printf("%lld",ci);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

#include <stdio.h>
#include <string.h>
using namespace std;
char pok[210],pok0[210];
bool pokm1[210]={0},pokm2[210]={0};
int main()
{
	long long ans0=0,k,ans1=0,p;
	gets(pok);
	scanf("%lld",&k);
	for(int i=0;i<strlen(pok);i++)
	{
		if(pok[i]==pok[i+1]&&pokm1[i+1]==0&&pokm1[i]==0)
		{
			pokm1[i+1]=1;
			pokm1[i]=1;
			ans0++;
		}
	}
	strcpy(pok0,pok);
	strcat(pok0,pok);
	for(int i=0;i<strlen(pok0);i++)
	{
		if(pok0[i]==pok0[i+1]&&pokm2[i+1]==0&&pokm2[i]==0)
		{
			pokm2[i+1]=1;
			pokm2[i]=1;
			ans1++;
		}
	}
	p=ans1-2*ans0;
	printf("%lld",k*ans0+(k-1)*p);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(pok);
      |         ^~~~
      |         getw
Language: C++

#include <stdio.h>
#include <string.h>
using namespace std;
int main()
{
	char pok[210],pok0[210];
	bool pokm1[210]={0},pokm2[210]={0};
	long long ans0=0,k,ans1=0,p;
	gets(pok);
	scanf("%lld",&k);
	for(int i=0;i<strlen(pok);i++)
	{
		if(pok[i]==pok[i+1]&&pokm1[i+1]==0&&pokm1[i]==0)
		{
			pokm1[i+1]=1;
			pokm1[i]=1;
			ans0++;
		}
	}
	strcpy(pok0,pok);
	strcat(pok0,pok);
	for(int i=0;i<strlen(pok0);i++)
	{
		if(pok0[i]==pok0[i+1]&&pokm2[i+1]==0&&pokm2[i]==0)
		{
			pokm2[i+1]=1;
			pokm2[i]=1;
			ans1++;
		}
	}
	p=ans1-2*ans0;
	printf("%lld",k*ans0+(k-1)*p);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(pok);
      |         ^~~~
      |         getw
Language: C

#include <stdio.h>
#include <string.h>
using namespace std;
int main()
{
	char pok[210],pok0[210];
	bool pokm1[210]={0},pokm2[210]={0};
	long long ans0=0,k,ans1=0,p;
	gets(pok);
	scanf("%lld",&k);
	for(int i=0;i<strlen(pok);i++)
	{
		if(pok[i]==pok[i+1]&&pokm1[i+1]==0&&pokm1[i]==0)
		{
			pokm1[i+1]=1;
			pokm1[i]=1;
			ans0++;
		}
	}
	strcpy(pok0,pok);
	strcat(pok0,pok);
	for(int i=0;i<strlen(pok0);i++)
	{
		if(pok0[i]==pok0[i+1]&&pokm2[i+1]==0&&pokm2[i]==0)
		{
			pokm2[i+1]=1;
			pokm2[i]=1;
			ans1++;
		}
	}
	p=ans1-2*ans0;
	printf("%lld",k*ans0+(k-1)*p);
	return 0;
}

Compiler output:
main.c:3:1: error: unknown type name 'using'
    3 | using namespace std;
      | ^~~~~
main.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    3 | using namespace std;
      |                 ^~~
main.c: In function 'main':
main.c:7:9: error: unknown type name 'bool'
    7 |         bool pokm1[210]={0},pokm2[210]={0};
      |         ^~~~
main.c:3:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    2 | #include <string.h>
  +++ |+#include <stdbool.h>
    3 | using namespace std;
main.c:9:9: error: implicit declaration of function 'gets'; did you mean 'fgets'? [-Wimplicit-function-declaration]
    9 |         gets(pok);
      |         ^~~~
      |         fgets
Language: C++

#include <stdio.h>
#include <string.h>
int main()
{
	char str[102];
	long long k;
	scanf("%s %lld",&str,&k);
	char c=str[0];
	long long len=strlen(str);
	long long t=0;
	for(int i=1;i<=len;i++)
	{
		if(str[i]==str[i-1]) t++;
	}
	printf("%d	",t);
	if(str[0]==str[len-1]&&str[len-1]!=str[len-2]) t=t*k+k-1;
	else t=t*k;
	printf("%lld",t);
	return 0;
	

Compiler output:
a.cc: In function 'int main()':
a.cc:19:18: error: expected '}' at end of input
   19 |         return 0;
      |                  ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C

#include <stdio.h>
#include <string.h>
int main()
{
	char str[102];
	long long k;
	scanf("%s %lld",&str,&k);
	char c=str[0];
	long long len=strlen(str);
	long long t=0;
	for(int i=1;i<=len;i++)
	{
		if(str[i]==str[i-1]) t++;
	}
	printf("%d	",t);
	if(str[0]==str[len-1]&&str[len-1]!=str[len-2]) t=t*k+k-1;
	else t=t*k;
	printf("%lld",t);
	return 0;
	

Compiler output:
main.c: In function 'main':
main.c:19:9: error: expected declaration or statement at end of input
   19 |         return 0;
      |         ^~~~~~
Language: C

#pragma warning(disable:4996)
#include<iostream>
#include<cstdio>
#include<cmath>
#include<string>
using namespace std;

int main()
{
	string s;
	int k;
	cin >> s;
	scanf("%d", &k);
	int len = s.length();
	long long ans = 0,cnt=1,cnt1=1,flag=0;
	s += '!';
	for (int i = 0; i < len; i++)
	{
		if (s[i] == s[i + 1])
		{
			cnt++;
			if (!flag)
			{
				cnt1++;
			}
		}
		else
		{
			ans += cnt / 2;
			flag = 1;
			if (i != len - 1)
			{
				cnt = 1;
			}
		}
	}
	if (cnt == len)
	{
		ans = 1ll*len*k/2;
	}
	else
	{
		ans *= k;
		if (cnt % 2 && cnt1 % 2 && s[0] == s[len - 1])
		{
			ans += k - 1;
		}
	}
	printf("%lld\n", ans);
	//system("pause");
	return 0;
}


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

#include <iostream>
#include <string>
#include <vector>
 
using namespace std;
 
int main() {
	string s;
	cin >> s;
	int k;
	cin >> k;
	string x = "";
	for (int i = 0; i < k;i++) {
		x += s;
	}
	int_64t a = x.size();
	int b = 0;
	for (int64_t i = 1; i < a; i++) {
		if (x.at(i) == x.at(i - 1)) {
			x.at(i) = 1;
			b++;
		}
	}
	cout << b << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'int_64t' was not declared in this scope; did you mean 'int64_t'?
   16 |         int_64t a = x.size();
      |         ^~~~~~~
      |         int64_t
a.cc:18:33: error: 'a' was not declared in this scope
   18 |         for (int64_t i = 1; i < a; i++) {
      |                                 ^
Language: C++

#include<iostream>
#include<string>

using namespace std;

int main()
{
int i,k,t=0,l=1,u=1,p;
  string s;
  cin>>s>>k;
  if(s[0]==s[s.length()-1])
     {
       while(s[l-1]==s[l])
         ++l;
        while(s[s.length()-u]==s[s.length()-u-1])
         ++u;
     }
  for(i=l-1;i<s.length()-u-l-1;)
  {
p=1;i++;
    while(s[i]==s[i+1]
          {i++;p++;}
          t+=p/2;
          }
  t*=k;
  t+=((l+u)/2)*(k-1);
          t+(u/2 + l/2);
  cout<<t;
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:21:23: error: expected ')' before '{' token
   21 |     while(s[i]==s[i+1]
      |          ~            ^
      |                       )
   22 |           {i++;p++;}
      |           ~
Language: C++

#include<iostream>
#include<string>

using namespace std;

int main()
{
int i,k,t=0,l=1,u=1,p;
  string s;
  cin>>s>>k;
  if(s[0]==s[s.length()-1]
     {
       while(s[l-1]==s[l])
         ++l;
        while(s[s.length()-u]==s[s.length()-u-1])
         ++u;
     }
  for(i=l-1;i<s.length()-u-l-1;)
  {
p=1;i++;
    while(s[i]==s[i+1]
          {i++;p++;}
          t+=p/2;
          }
  t*=k;
  t+=((l+u)/2)*(k-1);
          t+(u/2 + l/2);
  cout<<t;
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:11:27: error: expected ')' before '{' token
   11 |   if(s[0]==s[s.length()-1]
      |     ~                     ^
      |                           )
   12 |      {
      |      ~                     
a.cc:18:32: error: expected primary-expression before ')' token
   18 |   for(i=l-1;i<s.length()-u-l-1;)
      |                                ^
Language: C++

#include<iostream>

using namespace std;

int main()
{
int i,k,t=0;
  string s;
  cin>>s>>k;
  for(i=1;i<k-1;i++)
  {
    if(s[i]==s[i-1]||s[i]==s[i+1])
      ++t;
  }
  t*=k;
  if(s[0]==s[n-1])
    t+=k-1;
  cout<<t;
  return 0;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: 'n' was not declared in this scope
   16 |   if(s[0]==s[n-1])
      |              ^
Language: C++

#include<iostream>

using namespace std;

int main()
{
int i,k,t=0;
  string s;
  cin>>s>>n;
  for(i=1;i<n-1;i++)
  {
    if(s[i]==s[i-1]||s[i]==s[i+1])
      ++t;
  }
  t*=k;
  if(s[0]==s[n-1])
    t+=k-1;
  cout<<t;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: 'n' was not declared in this scope
    9 |   cin>>s>>n;
      |           ^
Language: C++

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

int main()
{
  string S;
  cin >> S;
  long long int K;
  cin >> K;
  bool same = true;
  long long int ans = 0;
  for (int i = 1; i < S.size(); i++)
  {
    if (S[i] != S[i - 1])
    {
      same = false;
      break;
    }
  }
  if (same)
  {
    ans = S.size() / 2 * K;
  }
  else
  {
    long long int l = 0, r = 0;
    for (int i = 0; i < S.size(); i++)
    {
      if (S[i] == S[0])
        l++;
      else
        break;
    }
    for (int i = S.size() - 1; i >= 0; i--)
    {
      if (S[i] == S[S.size() - 1])
        r++;
      else
        break;
    }
    long long int c = 1;
    for (int i = l; i < S.size() - r; i++)
    {
      if (S[i] == S[i + 1])
      {
        c++;
      }
      else
      {
        ans += c / 2 * K;
        c = 1;
      }
    }
    ans += c / 2 * K;
    if (S[0] == S[S.size() - 1])
    {
      ans = l / 2 + (K - 1) * (l + r) / 2 + r / 2;
    }
    else
    {
      ans = l / 2 * K + r / 2 * K;
    }
    cout << ans << endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:64:4: error: expected '}' at end of input
   64 |   }
      |    ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main()
{
  string S;
  cin >> S;
  long long int K;
  cin >> K;
  bool same = true;
  long long int ans = 0;
  for (int i = 1; i < S.size(); i++)
  {
    if (S[i] != S[i - 1])
      same = false;
  }
  if (same)
  {
    ans = S.size() * K / 2;
  }
  else
  {
    long long int cnt = 0;
    long long int l = 0, r = 0;
    for (int i = 0; i < S.size(); i++)
    {
      if (S[i] == S[0])
        l++;
      else
        break;
    }
    for (int i = S.size() - 1; i >= 0; i--)
    {
      if (S[i] == S[S.size() - 1])
        r++;
      else
        break;
    }
    long long int cntc = 1, tmpc = 1;
    for (int i = l; i < S.size() - r; i++)
    {
      if (S[i] == S[i + 1])
      {
        tmpc++;
      }
      else
      {
        cntc = tmpc;
        tmpc = 1;
      }
      if (S[0] == S[S.size() - 1])
      {
        ans = l / 2 + K * cntc / 2 + (K - 1) * (l + r) / 2 + r / 2;
      }
      else
      {
        ans = (l + r + cntc) / 2 * K;
      }
    }
    cout << ans << endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:61:4: error: expected '}' at end of input
   61 |   }
      |    ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main()
{
  string S;
  cin >> S;
  long long int K;
  cin >> K;
  bool same = true;
  for (int i = 1; i < S.size(); i++)
  {
    if (S[i] != S[i - 1])
      same = false;
  }
  long long int ans = 0;
  if (same)
  {
    ans = S.size() * K / 2;
  }
  else
  {
    long long int cnt = 0;
    for (int i = 1; i < S.size(); i++)
    {
      if (S[i] == S[i - 1])
      {
        cnt++;
        S[i] = '#';
      }
    }
    if (S[0] != S[S.size() - 1])
    {
      ans = cnt * K;
      cout << ans << endl;
    }
    else
    {
      ans = cnt * K + (K - 1);
      cout << ans << endl;
    }
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:42:4: error: expected '}' at end of input
   42 |   }
      |    ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main()
{
  string S;
  cin >> S;
  long long int K;
  cin >> K;
  long long int cnt = 0, cnt1 = 0, cnt2 = 0;
  bool same = true;
  for (int i = 1; i < S.size(); i++)
  {
    if (S[i] != S[i - 1])
      same = false;
  }
  long long int ans = 0;
  if (same)
  {
    ans = S.size() * K / 2;
  }
  else
  {
    long long int cnt = 0;
    for (int i = 1; i < S.size(); i++)
    {
      if (S[i] == S[i - 1])
      {
        cnt++;
        S[i] = '#';
      }
    }
    if (S[0] != S[S.size() - 1])
    {
      ans = cnt * K;
      cout << ans << endl;
    }
    else
    {
      ans = cnt * K + (K - 1);
      cout << ans << endl;
    }
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:43:4: error: expected '}' at end of input
   43 |   }
      |    ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int solve(string s){
  int cnt=0,ans=0;
  int n=s.length();
  for(int i=0;i<n;i++){
    cnt++;
      if(i==n-1 || s[i]!=s[i+1]){
        ans+=cnt/2;
        cnt=0;  
      }
  }
}

int main() {
  string S;
  long long int K,N;
  cin >> S >> K;
  N=K.length();
  string S2=S+S;
  long long n1=solve(S);
  long long n2=solve(S2);
  cout<<n1+(n2-n1)*(K-1);
  return 0;
}


Compiler output:
a.cc: In function 'int solve(std::string)':
a.cc:14:1: warning: no return statement in function returning non-void [-Wreturn-type]
   14 | }
      | ^
a.cc: In function 'int main()':
a.cc:20:7: error: request for member 'length' in 'K', which is of non-class type 'long long int'
   20 |   N=K.length();
      |       ^~~~~~
Language: C++

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

int solve(string s){
  int cnt=0,ans=0;
  int n=s.length();
  for(int i=0;i<n;i++){
    cnt++;
      if(i==n-1 || s[i]!=s[i+1]){
        ans+=cnt/2;
        cnt=0;  
      }
  }
}

int main() {
  string S;
  long long K,N;
  cin >> S >> K;
  N=K.length();
  string S2=S+S;
  long long n1=solve(S);
  long long n2=solve(S2);
  cout<<n1+(n2-n1)*(K-1);
  return 0;
}


Compiler output:
a.cc: In function 'int solve(std::string)':
a.cc:14:1: warning: no return statement in function returning non-void [-Wreturn-type]
   14 | }
      | ^
a.cc: In function 'int main()':
a.cc:20:7: error: request for member 'length' in 'K', which is of non-class type 'long long int'
   20 |   N=K.length();
      |       ^~~~~~
Language: C++

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		long K = sc.nextLong();
		long count = 0;
		long check = 1;
		long lastCheck = 1;
		if(S.length() > 2) {
			for(int i = 0; i <= S.length()-2; i++) {
				if(S.substring(i, i+1).equals(S.substring(i+1, i+2))) {
					check++;
					lastCheck = check;
				}else {
					count += (check / 2) * K;
					check = 1;
				}
			}
			if( S.length() > 2 && S.substring(0, 1).equals(S.substring(S.length()-1, S.length())) && lastCheck % 2 == 0) {
				count += K -1;
			}
			if(S.length() > 2 && S.substring(S.length()-2, S.length()-1).equals(S.substring(S.length()-1, S.length()))) {
				count += lastCheck / 2;
			}
			if(S.length() == 2 && S.substring(0,1).equals(S.substring(1,2))) {
				count+= S.length() * K;
			}
		}else {
			count = K - 1;
		}
		System.out.println(count);
		sc.close();
	}

}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

string S;
long long K;
vector<pair<int,int>> uv;

int main() {

	cin >> S >> K;
	
	string st = S+S+S;

	for (int i = 0; i < st.size(); i++)
	{
		if (st[i] == st[i + 1])st[i + 1] = 'B';
	}

	long long ans = 0;

	rep(i, S.size())
	{
		if (st[i] == 'B')ans++;
	}

	int c=0;
	rep(i, S.size())
	{
		if (st[i+S.size()] == 'B')c++;
	}
	ans += c * (K/2);

	c = 0;
	rep(i, S.size())
	{
		if (st[i + 2*S.size()] == 'B')c++;
	}
	ans += c * ((K - 1) / 2);


	if(S.size()==1)
	{
		ans = K / 2;
	}

	cout << ans << endl;
	
}

Compiler output:
a.cc:1:1: error: 'string' does not name a type
    1 | string S;
      | ^~~~~~
a.cc:3:1: error: 'vector' does not name a type
    3 | vector<pair<int,int>> uv;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin >> S >> K;
      |         ^~~
a.cc:7:16: error: 'S' was not declared in this scope
    7 |         cin >> S >> K;
      |                ^
a.cc:9:9: error: 'string' was not declared in this scope
    9 |         string st = S+S+S;
      |         ^~~~~~
a.cc:11:29: error: 'st' was not declared in this scope; did you mean 'std'?
   11 |         for (int i = 0; i < st.size(); i++)
      |                             ^~
      |                             std
a.cc:18:13: error: 'i' was not declared in this scope
   18 |         rep(i, S.size())
      |             ^
a.cc:18:9: error: 'rep' was not declared in this scope
   18 |         rep(i, S.size())
      |         ^~~
a.cc:43:9: error: 'cout' was not declared in this scope
   43 |         cout << ans << endl;
      |         ^~~~
a.cc:43:24: error: 'endl' was not declared in this scope
   43 |         cout << ans << endl;
      |                        ^~~~
Language: C++

// https://yamakasa.net/atcoder-agc-039-a/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for(ll i = 0; i < (ll)n; i++)
int main() {
    string S;
    ll K;
    cin >> S >> K;
    ll n = S.length();
    if(n == 1) {
        cout << K / 2 << "\n";
        return 0;
    }
    ll c = 0;
    REP(i, n - 1) {
        if(S[i] == S[i + 1]) {
            c++;
        }
    }
    if(c == n - 1) {
        cout << K * n / 2 << endl;
        return 0;
    }
    if(S[0] != S[n - 1]) {
        cout << c * K / 2 << endl;
        return 0;
    }
    ll l = 0;
    ll r = 0;
    for(int i = 0; i < n; i++) {
        if(S[0] == S[i]) {
            l++;
        } else {
            break;
        }
    }
    if(l == n) {
        cout << n * K / 2 << "\n";
        return 0;
    }
    for(int i = n - 1; i >= 0; i--) {
        if(S[n - 1] == S[i]) {
            r++;
        } else {
            break;
        }
    }
    if(l + r == n) {
        // S[0] != S[n - 1]
        ll ans = l / 2 * K + r / 2 * K;
        cout << ans << "\n";
        return 0;
    }
    ll ans = 0;
    ll c = 1;
    for(int i = l; i < n - r; i++) {
        if(S[i] == S[i + 1]) {
            c++;
        } else {
            ans += c / 2 * K;
            c = 1;
        }
    }
    ans += c / 2 * (K - 1);

    if(S[0] == S[n - 1]) {
        ans += l / 2 + (l + r) / 2 * (K - 1) + r / 2;
    }
    // cout << l << " " << r << "\n";
    cout << ans << "\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:8: error: redeclaration of 'll c'
   56 |     ll c = 1;
      |        ^
a.cc:15:8: note: 'll c' previously declared here
   15 |     ll c = 0;
      |        ^
Language: C++

#Include<iostream>
#Include<string>
using namespace std;
int main () {
  string S;
  cin >> S;
  long long K;
  cin >> K;
  int N = S.size();
  long long la = 0;
  for(int i = 0; i < N - 1;) {
    long long a = 1;
    while(S[i] == S[++ i]&& i < N - 1) a ++;
    la += a / 2;
    i ++;
  }
  long long lb = 0;
  for(int i = 0; i < 2 * N - 1;){
    long long a = 1;
    while (S[i % N] == S[(++ i) % N] && i < 2 * N - 1){
      a ++;
    }
    lb += a / 2;
    i ++;
  }
  long long ans = la + (lb - la) * (K - 1);
  cout << ans << endl;
}
    

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #Include; did you mean #include?
    1 | #Include<iostream>
      |  ^~~~~~~
      |  include
a.cc:2:2: error: invalid preprocessing directive #Include; did you mean #include?
    2 | #Include<string>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string S;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #Include<iostream>
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> S;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #Include<iostream>
a.cc:6:10: error: 'S' was not declared in this scope
    6 |   cin >> S;
      |          ^
a.cc:27:3: error: 'cout' was not declared in this scope
   27 |   cout << ans << endl;
      |   ^~~~
a.cc:27:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:27:18: error: 'endl' was not declared in this scope
   27 |   cout << ans << endl;
      |                  ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #Include<iostream>
Language: C++

#include <iostream>
#include <string>

using namespace std;
string S = "";
string T = "";
string U = "";

typedef long long int LLi;

LLi K;

int main(){

	cin >> S >> K;
	
	T = S + S;
	U = T + S;

    int S_len = S.length();
    int T_len = T.length();
    int U_len = U.length();
    
    string hitomoji = "";
    string hitomoji_mae = "A";
    
    string hajime;
    string owari;
    
    hajime = S[0];
    owari =  S[S.length()-1];
    if(S.length() == 1){
        owari = hajime;
    }
    
    LLi count[3] = {0};
    bool triger = true;
    
    for(LLi i=0; i<S_len;i++){
        hitomoji = S[i];
        
        if(hitomoji == hitomoji_mae){
            if(triger == false){
                triger = true;
            }else{
                count[0] ++;
                triger = false;
            }
        }else{
            triger = true;
        }
        
        hitomoji_mae = hitomoji;
    }
    
    hitomoji = "";
    hitomoji_mae = "A";
    
    for(LLi i=0; i<T_len;i++){
        hitomoji = T[i];
        
        if(hitomoji == hitomoji_mae){
            if(triger == false){
                triger = true;
            }else{
                count[1] ++;
                triger = false;
            }
        }else{
            triger = true;
        }
        
        hitomoji_mae = hitomoji;
    }
    
    
    hitomoji = "";
    hitomoji_mae = "A";
    
    for(LLi i=0; i<U_len;i++){
        hitomoji = U[i];
        
        if(hitomoji == hitomoji_mae){
            if(triger == false){
                triger = true;
            }else{
                count[2] ++;
                triger = false;
            }
        }else{
            triger = true;
        }
        
        hitomoji_mae = hitomoji;
    }
 //   cout << count[0]<< " "<<count[1]<<endl;
    
    
    if(S_len == 1){
        count[0] = 0.5*K;
    }else{
        if(count[0]*2 == count[1]){
            count[0] = count[0] * K;
            
        }else if(count[0]==0 && count[1]==0){
            count[0] = 0;
        
        }else if(count[0]==0 && count[1]>=0){
            count[0] = K-1;
            
        }else{
            
            int hikaku[2] ;
            hikaku[0] = count[1]-count[0];
            hikaku[1] = count[2]-count[1];
  //          cout << count[2] <<count[1]<< count[0]<<en
   //         cout <<hikaku[0]<<" "<<hikaku[1]<<endl;
                if(hikaku[0] == hikaku[1]){
                    count[0] = count[0] + hikaku[0]*(K-1);
                }else{
                    long long float temp = count[0]+0.5;
                    count[0] = temp * K;
                }
 //           float temp = (float)count[0] + 0.5;
 //           count[0] =((int)(temp*(float)K)); 
        }
    }
    
    cout << count[0]<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:121:26: error: 'long long' specified with 'float'
  121 |                     long long float temp = count[0]+0.5;
      |                          ^~~~
Language: Java

import java.util.Scanner;

public class main {
    public static void main(String [] args) {
        Scanner in = new Scanner(System.in);
        String S = in.next();
        long K = in.nextLong();
        in.close();

        System.out.println(findMinimumOperation(S, K));
//        assert(findMinimumOperation("issii", 2L) == 4);
//        assert(findMinimumOperation("qq", 81L) == 81);
//        assert(findMinimumOperation("cooooooooonteeeeeeeeeest", 999993333L) == 8999939997L);
    }

    static long findMinimumOperation(String S, long K) {
        int count = 0;

        for (int i = 1; i < K * S.length(); i++) {
            int pos = i % S.length();
            if (S.charAt(pos) == S.charAt(pos - 1)) {
                count++;
                i++;
            }
        }

        return count;
    }
}


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

#include "pch.h"
#include<iostream>
#include<string>

using namespace std;

#define INF 1000000007
#define int long long
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define rep(i, n) FOR(i, 0, n)
int gcd(int a, int b)
{
	return b ? gcd(b, a % b) : a;
}
int lcm(int a, int b) { return a / gcd(a, b) * b; }
signed main()
{
	string O;
	int K;
	cin >> O >> K;
	string S(O),G(O);
	int count_s = 0;
	int count_g = 1;
	bool  flag_s = false,flag_g = false;
	for (int i = 1; i < S.length(); i++) {
		if (S[i] == S[i - 1]) {
			count_s++;
			S[i] = '0';
			if (i == S.length()-1) {
				flag_s = true;
			}
		}
	}
	for (int i = 2;i < G.length();i++) {
		if (G[i] == G[i-1]) {
			count_g++;
			G[i] = '0';
			if (i == G.length() - 1) {
				flag_g = true;
			}
		}
	}

	if (S.length() == 1) {
		flag_g = true;
	}
	if (S[0] != S[S.length()-1]) {
		cout << count_s * K <<endl; //SSSS...
	}
	else {
		if (flag_s) {
			cout << count_s * K << endl; //SSSS...
		}
		else {
			if (flag_g) {
				cout << count_s * (K / 2 + K % 2) + count_g *( K / 2 )<< endl; //SGSGSGSG...
			}
			else {
				cout << count_s + count_g * (K - 1) << endl; //SGGG..
			}
		}
	}
}


Compiler output:
a.cc:1:10: fatal error: pch.h: No such file or directory
    1 | #include "pch.h"
      |          ^~~~~~~
compilation terminated.