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

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

int calculate(string s) {
    int sum = 0;
    if (s.size()==1) return stoi(s);
    sum += stoi(s) + stoi(s.at(s.size()-1)) + calculate(s.pop_back());
    return sum;
}

int main() {
  string s;
  cin >> s;
  cout << calculate(s) << endl;
  }
}

Compiler output:
a.cc: In function 'int calculate(std::string)':
a.cc:8:26: error: no matching function for call to 'stoi(__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
    8 |     sum += stoi(s) + stoi(s.at(s.size()-1)) + calculate(s.pop_back());
      |                      ~~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:2:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
a.cc:8:67: error: invalid use of void expression
    8 |     sum += stoi(s) + stoi(s.at(s.size()-1)) + calculate(s.pop_back());
      |                                                         ~~~~~~~~~~^~
a.cc: At global scope:
a.cc:17:1: error: expected declaration before '}' token
   17 | }
      | ^
Language: C++

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

int calculate(string s) {
    int sum = 0;
    if (s.size()==1) return atoi(s);
    sum += atoi(s) + atoi(s.at(s.size()-1)) + calculate(s.pop_back());
    return sum;
}

int main() {
  string s;
  cin >> s;
  cout << calculate(s) << endl;
  }
}

Compiler output:
a.cc: In function 'int calculate(std::string)':
a.cc:7:34: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
    7 |     if (s.size()==1) return atoi(s);
      |                                  ^
      |                                  |
      |                                  std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:2:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:8:17: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
    8 |     sum += atoi(s) + atoi(s.at(s.size()-1)) + calculate(s.pop_back());
      |                 ^
      |                 |
      |                 std::string {aka std::__cxx11::basic_string<char>}
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:8:31: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const char*' [-fpermissive]
    8 |     sum += atoi(s) + atoi(s.at(s.size()-1)) + calculate(s.pop_back());
      |                           ~~~~^~~~~~~~~~~~
      |                               |
      |                               __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka char}
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:8:67: error: invalid use of void expression
    8 |     sum += atoi(s) + atoi(s.at(s.size()-1)) + calculate(s.pop_back());
      |                                                         ~~~~~~~~~~^~
a.cc: At global scope:
a.cc:17:1: error: expected declaration before '}' token
   17 | }
      | ^
Language: C++

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

int main () {
  string S;
  cin >> S;
  int sum;
  string num;
  int count = 0
  int N = S.size() - 1;
  for (int i = 0; i < (1 << N); i++) {
    bitset<N> s(i);
    for (int j = 0; j < S.size(); j++) {
      if (s.test(j) || j == N) {
        for (k = 0; k < count; k++) {
          num += S.at(N - j + k);
        }
        sum += stoi(num);
        cout << sum << endl;
      }
      else {
        count++;
      }
    }
  }
}
        

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: expected ',' or ';' before 'int'
   10 |   int N = S.size() - 1;
      |   ^~~
a.cc:11:29: error: 'N' was not declared in this scope
   11 |   for (int i = 0; i < (1 << N); i++) {
      |                             ^
a.cc:14:13: error: request for member 'test' in 's', which is of non-class type 'int'
   14 |       if (s.test(j) || j == N) {
      |             ^~~~
a.cc:15:14: error: 'k' was not declared in this scope
   15 |         for (k = 0; k < count; k++) {
      |              ^
Language: C++

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

int main() {
  string s;
  cin >> s;
  ll answer;//returnする
  int size = s.size()-1;//数列のサイズ-1
  for (int tmp = 0; tmp < (1 << (size)); tmp++) {//+の分布を与える、右からi番目が１のときその後は＋
    ll c = s[0];//+が来るまでの入れ物
    for (int i = 0; i < size; i++) {//+の分布に対して和を返す
      ll sum = 0;
      if (tmp & (1 << i)) {//i番目の後が＋ならそこまで保持した値を和に加算し、次の値を保持しはじめる
        sum += c;
        c = s[i+1];
      }
      else {//＋でないなら１０倍して足す
        c *= 10;
        c -= '0';
        c += s[i+1];
      }
      
      if (i == size-1) {
        sum += c;//最後に保持していた分も足す
        answer += sum;//１計算あたりのループに対して和を答えに足す
      }
      
    }
    
  }
  cout << answer << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:25: error: expected ';' before '}' token
   32 |   cout << answer << endl
      |                         ^
      |                         ;
   33 | }
      | ~
Language: C++

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

int main() {
  string s;
  cin >> s;
  ll answer;//returnする
  int size = s.size()-1;//数列のサイズ-1
  for (int tmp = 0; tmp < (1 << (size)); tmp++) {
    bitset<size> plus(tmp);//+の分布を与えるbitset、右からi番目が１のときその後は＋
    ll c = s[0];//+が来るまでの入れ物
    for (int i = 0; i < size; i++) {//+の分布に対して和を返す
      ll sum = 0;
      if (plus.test(i)) {//i番目の後が＋ならそこまで保持した値を和に加算し、次の値を保持しはじめる
        sum += c;
        c = s[i+1];
      }
      else {//＋でないなら１０倍して足す
        c *= 10;
        c -= '0';
        c += s[i+1];
      }
      
      if (i == size-1) {
        sum += c;//最後に保持していた分も足す
        answer += sum;//１計算あたりのループに対して和を答えに足す
      }
      
    }
    
  }
  cout << answer << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: the value of 'size' is not usable in a constant expression
   11 |     bitset<size> plus(tmp);//+の分布を与えるbitset、右からi番目が１のときその後は＋
      |                ^
a.cc:9:7: note: 'int size' is not const
    9 |   int size = s.size()-1;//数列のサイズ-1
      |       ^~~~
a.cc:11:16: note: in template argument for type 'long unsigned int'
   11 |     bitset<size> plus(tmp);//+の分布を与えるbitset、右からi番目が１のときその後は＋
      |                ^
a.cc:15:16: error: request for member 'test' in 'plus', which is of non-class type 'int'
   15 |       if (plus.test(i)) {//i番目の後が＋ならそこまで保持した値を和に加算し、次の値を保持しはじめる
      |                ^~~~
a.cc:33:25: error: expected ';' before '}' token
   33 |   cout << answer << endl
      |                         ^
      |                         ;
   34 | }
      | ~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int S;
  int a[10], k, b, c;
  cin >> S;
  for(int i=0;i<11;i++) {
    if(S%10!=0) {
      a[i] = S - S/10*10;
      S = S /10;
    }
    if(S%10==0) {
      a[i] = S;
      k = i - 1;
  }
  int l = 0;
  for(int bit=0;bit < (1 << k);++bit) {
    for(int j=0; j < k; ++j) {
      if(bit&&(1<<j)==1) {
        for(l; l<=j;) {
          if(l!=j) {
            c = a[l];
            b = c*10;
          }
          if(l==j&&l!=0) {
            b = b + a[l];
            S = S + b;
            ++l;
          }
        }
      }
    }
  }
    cout << S;
  }
  


Compiler output:
a.cc: In function 'int main()':
a.cc:36:4: error: expected '}' at end of input
   36 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  int S;
  int a[10], k, b, c;
  cin >> S;
  for(int i=0;i<11;i++) {
    if(S%10!=0) {
      a[i] = S - S/10*10;
      S = S /10;
    }
    if(S%10==0) {
      a[i] = S;
      k = i - 1;
  }
  int l = 0;
  for(int bit=0;bit < (1 << k);++bit) {
    for(int j=0; j < k; ++j) {
      if(bit&&(1<<j)==1) {
        for(l; l<=j;) {
          if(l!=j) {
            c = a[l];
            b = c*10;
          }
          if(l==j&&l!=0) {
            b = b + a[l];
            S = S + b;
            ++l;
          }
        }
      }
    }
    cout << S;
  }
  


Compiler output:
a.cc: In function 'int main()':
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:8:25: note: to match this '{'
    8 |   for(int i=0;i<11;i++) {
      |                         ^
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  int S;
  int a[10], k, b, c;
  cin >> S;
  for(int i=0;i<11;i++) {
    if(S%10!=0) {
      a[i] = S - S/10*10;
      S = S /10;
    }
    if(S%10==0) {
      a[i] = S;
      k = i - 1;
  }
  int l = 0;
  for(int bit=0;bit < (1 << k);++bit) {
    for(int j=0; j < k; ++j) {
      if(bit&&(1<<j)==1) {
        for(l; l<=j;) {
          if(l!=j) {
            c = a[l];
            b = c*10;
          }
          if(l==j&&l!=0) {
            b = b + a[l];
            S = S + b;
            ++l:
          }
        }
      }
    }
    cout << S;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: expected ';' before ':' token
   29 |             ++l:
      |                ^
      |                ;
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:8:25: note: to match this '{'
    8 |   for(int i=0;i<11;i++) {
      |                         ^
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  int S;
  int a[10], k, b, c;
  cin >> S;
  for(i=0;i<11;i++) {
    if(S%10!=0) {
      a[i] = S - S/10*10;
      S = S /10;
    }
    if(S%10==0) {
      a[i] = S;
      k = i - 1;
  }
  int l = 0;
  for(int bit=0;bit < (1 << k);++bit) {
    for(int j=0; j < k; ++j) {
      if(bit&&(1<<j)==1) {
        for(l; l<=j;) {
          if(l!=j) {
            c = a[l];
            b = c*10;
          }
          if(l==j&&l!=0) {
            b = b + a[l];
            S = S + b;
            ++l:
          }
        }
      }
    }
    cout << S;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<11;i++) {
      |       ^
a.cc:29:16: error: expected ';' before ':' token
   29 |             ++l:
      |                ^
      |                ;
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:8:21: note: to match this '{'
    8 |   for(i=0;i<11;i++) {
      |                     ^
a.cc:35:4: error: expected '}' at end of input
   35 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
string S;
long long ans;

void DFS(int a,string s,int b) {
  if (a != s.size()){
    return (a + 1,s,b * 10 + int(s[a - 1] - 48));
    return (a + 1,s,int(s[a - 1] - 48));
    ans += b;
  }
}

int main() {
  cin >> S;
  DFS(1,S,0);
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'void DFS(int, std::string, int)':
a.cc:8:20: error: return-statement with a value, in function returning 'void' [-fpermissive]
    8 |     return (a + 1,s,b * 10 + int(s[a - 1] - 48));
      |            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:9:20: error: return-statement with a value, in function returning 'void' [-fpermissive]
    9 |     return (a + 1,s,int(s[a - 1] - 48));
      |            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
string S;
long long ans;

void DFS(int a,string s,int b) {
  if (a != s.size()){
    return (a + 1,s,b * 10 + int(s[i] - 48));
    return (a + 1,s,int(s[i] - 48));
    ans += b;
  }
}

int main() {
  cin >> S;
  DFS(1,S,0);
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'void DFS(int, std::string, int)':
a.cc:8:36: error: 'i' was not declared in this scope
    8 |     return (a + 1,s,b * 10 + int(s[i] - 48));
      |                                    ^
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
#include <bitset>

#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define INF 2000000000
#define rep(i,n) for(int i=0;i<(n);i++)
typedef pair<int, int> P;
const ll MOD=1000000007;
using Graph = vector<vector<int>>;



int main() {
	string s;
	cin >> s;
	
	int n = s.size()-1;
	
	ull ans = 0;
	
	for (int tmp = 0; tmp < (1 << n); tmp++) {
		
		string m[10];
		int j = 0;
		bitset<10> t(tmp);
		ull sum = 0;

		for (int i = 0; i < n+1; i++) {
			if (i>0 && t[i-1]) j++;
			m[j] += s[i];
			
		}
		
		for (int i = 0; i <= j; i++) {
			ull a = stoull(m[i]);
			//cout << "/" << a << endl;
			sum += a;
		}
		
		ans += sum;
		//cout << sum << endl;
	}
	cout << ans << endl;
	return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:57:18: error: expected '}' at end of input
   57 |         return 0;
      |                  ^
a.cc:26:12: note: to match this '{'
   26 | int main() {
      |            ^
Language: C++

//#include <bits/stdc++.h>
#include <vector>
#include <iostream>
#include<algorithm>
#include<string>
using namespace std;

long long sum_plus(string s) {
    long long ans = 0;
    char* endptr;
    ans+= strtoll(s.c_str(), &endptr, 10);
 
    for (int i = 1; i < s.size(); i++) {
        string left = s.substr(0, i);     
        ans += strtoll(left.c_str(), &endptr,10)*(pow(2,(s.size()-i-1))) + sum_plus(s.substr(i));
    }
    return ans;
}
int main() {
    string s;
    cin >> s;
    cout << sum_plus(s) << endl;
}


Compiler output:
a.cc: In function 'long long int sum_plus(std::string)':
a.cc:15:51: error: 'pow' was not declared in this scope
   15 |         ans += strtoll(left.c_str(), &endptr,10)*(pow(2,(s.size()-i-1))) + sum_plus(s.substr(i));
      |                                                   ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
int main(){
    string s;
    cin >> s;
    int n = s.size();
    ll ans = 0;
    for(int bit = 0; bit < (1<<n-1); bit++){
        ll t = s[0] - '0';
        rep(i,n-1){
            if(bit & (1 << i)){
                ans += t;
                t = s[i+1] - '0';
            }else{
                t *= 10;
                t *= s[i+1] - '0';
            }
        }
        ans += t
    }

    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: expected ';' before '}' token
   21 |         ans += t
      |                 ^
      |                 ;
   22 |     }
      |     ~
Language: C++

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
using namespace std;

int main(){
    string s;
    cin >> s;

    int ans=0;
    int a=s.size()-1;
    int r;

    for(int tmp=0;tmp<(1<<a);tmp++){
        bitset<9> bit(tmp);

        r = s[0]-'0';
        for(int i=0;i<a;i++){
            if(bit.test(i)){
                ans += r;
                r = 0;
            }
            r = r*10 + s[i+1]-'0';
        }
        ans += r;
    }

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: 'bitset' was not declared in this scope
   17 |         bitset<9> bit(tmp);
      |         ^~~~~~
a.cc:6:1: note: 'std::bitset' is defined in header '<bitset>'; this is probably fixable by adding '#include <bitset>'
    5 | #include<cmath>
  +++ |+#include <bitset>
    6 | using namespace std;
a.cc:17:19: error: 'bit' was not declared in this scope
   17 |         bitset<9> bit(tmp);
      |                   ^~~
Language: C++

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

int main(){
  string s;
  cin >> s;
  string A;
  long long ans = 0;
  for(int i = 0; i < (1 << (s.size() - 1)); i++){
    bitset<11> p(i);
    A = s[0]
    for(int j = 0; j < (s.size() - 1); j++){
      if(p[j]){
        ans += stoll(A);
        A = s[j + 1];
      }
      else{
        A += s[j + 1];
      }
    }
    ans += stoll(A);
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: expected ';' before 'for'
   11 |     A = s[0]
      |             ^
      |             ;
   12 |     for(int j = 0; j < (s.size() - 1); j++){
      |     ~~~      
a.cc:12:20: error: 'j' was not declared in this scope
   12 |     for(int j = 0; j < (s.size() - 1); j++){
      |                    ^
Language: C++

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

int sum_from(string S, int start)
{
  if(start == S.size() - 1)
    return S.at(start) - '0';
  int sum = 0;
  for(int i = start; i < S.size(); i++)
    sum = sum * 10 + S.at(i) - '0';
  return sum + sum_from(S, start + 1);
int main()
{
  string S;
  cin >> S;
  cout << sum_from(S, 0) << endl;
}

Compiler output:
a.cc: In function 'int sum_from(std::string, int)':
a.cc:12:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   12 | int main()
      |         ^~
a.cc:12:9: note: remove parentheses to default-initialize a variable
   12 | int main()
      |         ^~
      |         --
a.cc:12:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:13:1: error: a function-definition is not allowed here before '{' token
   13 | {
      | ^
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int sum_from(string S, int start)
{
  if(S.at(start + 1) == '¥n')
    return S.at(start);
  return sum_from(S. start + 1) + S.at(start);
}
int main()
{
  string S;
  cin >> S;
  cout << sum_from(S, 0) << endl;
}

Compiler output:
a.cc:6:25: warning: multi-character character constant [-Wmultichar]
    6 |   if(S.at(start + 1) == '¥n')
      |                         ^~~~
a.cc: In function 'int sum_from(std::string, int)':
a.cc:8:22: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'start'
    8 |   return sum_from(S. start + 1) + S.at(start);
      |                      ^~~~~
Language: C++

#include<iostream>
#include<math.h>
#include<stdlib.h>
#include<string>
using namespace std;

int main() {
	string s;
	cin >> s;
	long long sum = 0;
	int n = s.size();
	for (int temp = 0; temp < (1 << n - 1); temp++) {
		long long t = s[0] - '0';
		for (int i = 0; i < n - 1; i++) {
			if (temp & (1 << i)) {
				sum += t;
				t = s[i + 1] - '0';
			}
			else {
				t *= 10;
				t += s[i + 1] - '0';
			}
		}
		sum += t
	}
	cout << sum;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:25: error: expected ';' before '}' token
   24 |                 sum += t
      |                         ^
      |                         ;
   25 |         }
      |         ~
Language: C++

#include<iostream>
#include<math.h>
#include<string>
using namespace std;

int main() {
	string s;
	cin >> s;
	long long sum = 0;
	int n = s.size();
	for (int temp = 0; temp < (1 << n - 1); temp++) {
		long long t = s[0] - '0';
		for (int i = 0; i < n - 1; i++) {
			if (temp & (1 << i)) {
				sum += t;
				t = s[i + 1] - '0';
			}
			else {
				t *= 10;
				t += s[i + 1] - '0';
			}
		}
		sum += t
	}
	cout << sum;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:25: error: expected ';' before '}' token
   23 |                 sum += t
      |                         ^
      |                         ;
   24 |         }
      |         ~
Language: C++

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

int main(){
  string S;
  cin >> S;
  int sum = 0;
  for (int i = 0; i < (1 << n-1); i++){
    int t = S[0} - '0';
    for (int j = 0; j < (n-1); j++){
      if (i & (1 << j)){
        sum += S[j] - '0';
        t = S[j+1] - '0';
      }else {
        t *= 10;
        t = S[j+1] - '0';
      }
    }
  }
  cout << sum << endl;
              }
              
              
            
              

Compiler output:
a.cc: In function 'int main()':
a.cc:9:29: error: 'n' was not declared in this scope
    9 |   for (int i = 0; i < (1 << n-1); i++){
      |                             ^
a.cc:10:16: error: expected ']' before '}' token
   10 |     int t = S[0} - '0';
      |                ^
      |                ]
a.cc:10:16: error: expected ',' or ';' before '}' token
a.cc:11:26: error: 'n' was not declared in this scope
   11 |     for (int j = 0; j < (n-1); j++){
      |                          ^
a.cc:12:11: error: 'i' was not declared in this scope
   12 |       if (i & (1 << j)){
      |           ^
a.cc:14:9: error: 't' was not declared in this scope
   14 |         t = S[j+1] - '0';
      |         ^
a.cc:16:9: error: 't' was not declared in this scope
   16 |         t *= 10;
      |         ^
a.cc: At global scope:
a.cc:21:3: error: 'cout' does not name a type
   21 |   cout << sum << endl;
      |   ^~~~
a.cc:22:15: error: expected declaration before '}' token
   22 |               }
      |               ^
Language: C++

s = input()
ans = 0

def dfs(index, ret):
    if index == len(s) - 1:
        ret += s[index]
        ret2 = map(int, ret.split("+"))
        global ans
        ans += sum(ret2)
        return
    dfs(index + 1, ret + s[index]) or dfs(index + 1, ret + s[index] + "+")

dfs(0, "")
print(ans)


Compiler output:
a.cc:1:1: error: 's' does not name a type
    1 | s = input()
      | ^
Language: C++

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

int main() {
  string S;
  cin >> S;
  
  long long sum = 0;
  string A
//  string B;
    
  for (int i = 0; i < (1 << (S.size()-1)); i++) {
    bitset<10> p(i);
    A = S.at(0);   
//    B = "";
    for (int j = 0; j<(S.size()-1); j++){     
      if(p.test(j)){
        sum += stoi(A);
 //       B = B + A +'+';
        A = S.at(j+1);
      }
      else
      {
        A = A + S.at(j+1);
      }
    }
//    B = B + A;
//    cout << i << ':' << B << endl; 
    sum += stoi(A);  
//    cout << sum << endl;
  }
	cout << sum << endl; 
}



Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: expected initializer before 'for'
   12 |   for (int i = 0; i < (1 << (S.size()-1)); i++) {
      |   ^~~
a.cc:12:19: error: 'i' was not declared in this scope
   12 |   for (int i = 0; i < (1 << (S.size()-1)); i++) {
      |                   ^
Language: C++

#include <iostream>
#include <string>
#include <bitset>
#include <cmath>
#include <algorithm>
using namespace std;
int main(void){

    string str;
    long long sum = 0;
    cin >> str;
    
    // 各計算の式のプラスが入る場所を作る
    for(int tmp = 0; tmp < (1 << (str.size()-1)); tmp++){
        bitset<10> s(tmp);
        string now_Str = "";
        now_Str = str[0];
        
        // 各計算の式を作る場所、bitset<>でプラスがある場所を設定
        for(int i = 0; i < (str.size()-1); i++){
            if(s.test(i)) now_Str += "+";
                now_Str += str[i+1];
        }
    
        int pos = 0;　// 現在地、find()で現在見ている場所が変化するから。
        
        // プラス前までの数を sum に加える
        while(now_Str.find("+", pos) != string::npos){
            int next_Pos = now_Str.find("+", pos);
            sum += stoll(now_Str.substr(pos, next_Pos - pos));
            pos = next_Pos + 1;
        }
        // 最後プラス後の数を sum に加える
        sum += stoll(now_Str.substr(pos));
        
    }
    
    cout << sum << endl;
    
}


Compiler output:
a.cc:25:21: error: extended character 　 is not valid in an identifier
   25 |         int pos = 0;　// 現在地、find()で現在見ている場所が変化するから。
      |                     ^
a.cc: In function 'int main()':
a.cc:25:21: error: '\U00003000' was not declared in this scope
   25 |         int pos = 0;　// 現在地、find()で現在見ている場所が変化するから。
      |                     ^~
Language: C++

#include<cstdio>
#include<cmath>
#include<algorithm>

using namespace std;

long long result;
int len;

char orin[100];
long long temp[100];

void dfs(int x, long long sum,int cnt)
{
	if (x == len)
	{
		temp[cnt] = sum;
		for (int i = 1; i <= cnt; ++i)
			result += temp[i];
		return;
	}
	temp[cnt] = sum;
	dfs(x + 1, orin[x] - '0',cnt+1);
	if (sum)
		dfs(x + 1, sum * 10 + orin[x] - '0',cnt);
}


int main(void)
{
	scanf("%s", orin);
	len = strlen(orin);
	dfs(0, 0,0);
	printf("%lld", result);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:15: error: 'strlen' was not declared in this scope
   32 |         len = strlen(orin);
      |               ^~~~~~
a.cc:4:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include<algorithm>
  +++ |+#include <cstring>
    4 |
Language: C++

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

int main(){
  string N;
  cin >> N;
  s=N.size();
  
  bitset
 bita;
  for (int bit=0;bit<(1<<(s-1));++bit){
    cout << bit<< endl;
  }
}
    
    
    

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 's' was not declared in this scope
    7 |   s=N.size();
      |   ^
Language: C++

#include<bits/stdc++.h>
#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) (int)(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>;
int main(){
  string s;
  cin>>s;
  ll n=sz(s);
  for(int bit=0;bit<(1<<n-1);bit++){
    ll k=0;
    rep(i,n-1){
      if(i&bit){
        k*=10;
        k+=s[i]-'0';
        ans+=k;
        k=0;
      }
      else{
        k*=10;
        k+=s[i]-'0';
      }
    }
    k*=10;
    k+=s[n-1]-'0';
    ans+=k;
  }
  COUT(ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   46 |         ans+=k;
      |         ^~~
      |         abs
a.cc:56:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   56 |     ans+=k;
      |     ^~~
      |     abs
a.cc:58:8: error: 'ans' was not declared in this scope; did you mean 'abs'?
   58 |   COUT(ans);
      |        ^~~
a.cc:17:24: note: in definition of macro 'COUT'
   17 | #define COUT(x) cout<<(x)<<endl
      |                        ^
Language: C++

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

int main(){
string s;
cin>>s;
int N=s.size();
int all_sum=0;
for(int i=0;i<N;i++){
int a=stoll(s);

int part_number=s[0];
if(N>1){
for(int tmp=0;tmp<(1<<N-1);tmp++){
 bitset<9>cord(tmp);
for(int i=0;i<N-1;i++){
if(cord.test(N-2-i)){
all_sum+=part_number;
part_number=s[i+1];
}else {
part_number*=10;
part_number+=s[i+1];
}
if(i==N-2)all_sum+=part_number;
}
}
}
else all_sum=s[0];
cout<<all_sum<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:2: error: expected '}' at end of input
   30 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
    char s[11];
    scanf("%s",s);

    int i,j;

    long long ans=0;
    long long tmp;  // ’＋’で分割したものを代入
    for(i=0;i<( 1 << ( strlen(s) - 1 ) );i++){ //　S="125"なら、i=(00)_2～(11)_2まで。
                                            　 //  strlen(s) にすると、i=(111)_2までになる。
        tmp = s[0] - '0';                       //　Sの１文字目を数値に変換して代入
        for(j=0;j<( strlen(s) - 1 );j++){
            if( i & ( 1 << j ) ){       //　例：(i,j)=(0,1) ⇒ (00) AND (10)
                ans += tmp;             //        　　    　⇒ (10) ⇒ 12 + 5
                tmp = 0;                //  分割した分を足して、tmpを初期化
            }
            tmp = tmp*10 + (s[j+1] - '0');
        }
        ans += tmp;　// 最後の分割部分を足す。
    }

    printf("%lld",ans);

    return 0;
}

Compiler output:
a.cc:13:45: error: extended character 　 is not valid in an identifier
   13 |                                             　 //  strlen(s) にすると、i=(111)_2までになる。
      |                                             ^
a.cc:22:20: error: extended character 　 is not valid in an identifier
   22 |         ans += tmp;　// 最後の分割部分を足す。
      |                    ^
a.cc: In function 'int main()':
a.cc:13:45: error: '\U00003000' was not declared in this scope
   13 |                                             　 //  strlen(s) にすると、i=(111)_2までになる。
      |                                             ^~
a.cc:22:22: error: expected ';' before '}' token
   22 |         ans += tmp;　// 最後の分割部分を足す。
      |                      ^
      |                      ;
   23 |     }
      |     ~
Language: C++

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

int main(){
    char s[11];
    scanf("%s",s);

    int i,j;

    long long ans=0;
    long long tmp;  // ’＋’で分割したものを代入
    for(i=0;i<( 1 << ( strlen(s) - 1 ) );i++){ //　S="125"なら、i=(00)_2～(11)_2まで。
                                            　 //  strlen(s) にすると、i=(111)_2までになる。
        tmp = s[0] - '0';                       //　Sの１文字目を数値に変換して代入
        for(j=0;j<( strlen(s) - 1 );j++){
            if( i & ( 1 << j ) ){       //　例：(i,j)=(0,1) ⇒ (00) AND (10)
                ans += tmp;             //        　　    　⇒ (10) ⇒ 12 + 5
                tmp = 0;                //  分割した分を足して、tmpを初期化
            }
            tmp = tmp*10 + (s[j+1] - '0');
        }
        ans += tmp;　// 最後の分割部分を足す。
    }

    printf("%lld",ans);

    return 0;


Compiler output:
a.cc:13:45: error: extended character 　 is not valid in an identifier
   13 |                                             　 //  strlen(s) にすると、i=(111)_2までになる。
      |                                             ^
a.cc:22:20: error: extended character 　 is not valid in an identifier
   22 |         ans += tmp;　// 最後の分割部分を足す。
      |                    ^
a.cc: In function 'int main()':
a.cc:13:45: error: '\U00003000' was not declared in this scope
   13 |                                             　 //  strlen(s) にすると、i=(111)_2までになる。
      |                                             ^~
a.cc:22:22: error: expected ';' before '}' token
   22 |         ans += tmp;　// 最後の分割部分を足す。
      |                      ^
      |                      ;
   23 |     }
      |     ~                 
a.cc:27:14: error: expected '}' at end of input
   27 |     return 0;
      |              ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin >> s;
  long long sum=0;
  int n.s.size();
  for(int temp=0;temp<(1<<n-1);temp++){
    long long t=s[0]-'0';
    for(int i=0;i<n-1;i++){
      if(temp&(1<<i)){
        sum+=t;
        t=s[i+1]-'0';
      }else{
        t*=10;
        t=s[i+1]-'0';
      }
    }
    sum+=t;
  }
  cout<<sum<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: expected initializer before '.' token
    7 |   int n.s.size();
      |        ^
a.cc:8:27: error: 'n' was not declared in this scope
    8 |   for(int temp=0;temp<(1<<n-1);temp++){
      |                           ^
Language: C++

#include <bits/stdc++.h>
#define int long long
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;
const int MOD = 1000000007;
const int INF = numeric_limits<int>::max() / 2;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    string S;
    cin >> S;
    int N = S.size();
    int ans = 0;

    for(int i=0;i<(1<<(N-1));i++){
      int num = S[0] - '0';
      for(int j=0;j<N-1;j++){
        if((1<<j) & i){
          ans += num;
          num = S[i+1] - '0'
        }
        else{
          num *= 10;
          num += S[i+1] - '0';
        }
      }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: expected ';' before '}' token
   22 |           num = S[i+1] - '0'
      |                             ^
      |                             ;
   23 |         }
      |         ~
Language: C++

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

using namespace std;
typedef long long ll;



ll stoLL(string str){
  int digits = str.length();
  ll num = 0;
  for(const char c : str){
    num += (c-48) * pow(10,digits-1);
    digits--;
  }
  return num;
}

ll splitandsum(string str){
  string subStr;
  ll sum = 0;
  for(const char c : str){
    if(c != '+') subStr += c;
    else{
      ll num = stoLL(subStr);
      sum += num;
      subStr.clear(); //中身を空っぽにする
    }
  }
  ll num = stoLL(subStr);
  sum += num;
  return sum;
}

int main(){
  string S; cin >> S;
  ll sum = 0;
  rep(i,pow(2,S.length()-1)){ //bit全探索
    string tmp = S;
    int inserted_idx = 1;
    rep(bit,S.length()-1){
      if(bit >> j & 1){
        tmp.insert(inserted_idx,"+");
        inserted_idx += 2;
      }
      else inserted_idx++;
    }
    sum += splitandsum(tmp);
  }
  cout << sum << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:17: error: 'j' was not declared in this scope
   42 |       if(bit >> j & 1){
      |                 ^
Language: C++

#include<bits/stdc++.h>
#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) (int)(x).size()
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll MOD = 1000000007LL;
const ll INF = 1LL << 60;
using vll = vector<ll>;
using vvll = vector<vll>;
using vstr = vector<string>;
using pll = pair<ll, ll>;
int main(){
  string s;
  cin>>s;
  ll si=sz(s);
  ll ans=0;
  for(int bit=0;bit<(1<<n);bit++){
    ll cu=0;
    for(int i=0;i<n;i++){
      if(i!=0){
        if(bit & (1<<i)){
          ans+=cu;
          cu=0;
        }
      }
      cu*=10;
      cu+=(s[i]-'0');
    } 
  }
  COUT(ans);
}
          

Compiler output:
a.cc: In function 'int main()':
a.cc:41:25: error: 'n' was not declared in this scope
   41 |   for(int bit=0;bit<(1<<n);bit++){
      |                         ^
Language: C++

#include <algorithm>
#include <iostream>
#include <set>
#include <vector>
typedef long long ll;
#define _GLIBCXX_DEBUG
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
using namespace std;
const ll INF = 1 << 30;
const ll INFll = 1ll << 60;

ll calc(string s) {
  ll d = 0;
  ll sum = 0;
  for (ll i = 0; i < s.size(); i++) {
    if (s[i] == '+') {
      sum += d;
      d = 0;
    } else {
      d *= 10;
      d += s[i] - '0';
    }
  }
  sum += d;
  return sum;
}

ll msum(string s, ll i) {
  if (i == s.size()) {
    return calc(s);
  }

  ll sum = 0;
  if (s[i - 1] != '+') {
    s.insert(i, "+");
    sum += msum(s, i + 2);
    s.erase(i, 1);
  }
  sum += msum(s, i + 1);
  return sum;
}

ll main() {
  string s;
  cin >> s;

  if (s.size() == 1) {
    cout << ll(s[0] - '0') << endl;
    return 0;
  }
  cout << msum(s, 1) << endl;
  return 0;
}

Compiler output:
a.cc:43:1: error: '::main' must return 'int'
   43 | ll main() {
      | ^~
Language: C++

#include <algorithm>
#include <iostream>
#include <set>
#include <vector>
typedef long long ll;
#define _GLIBCXX_DEBUG
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
using namespace std;
const int INF = 1 << 30;
const ll INFll = 1ll << 60;

int calc(string s) {
  int d = 0;
  int sum = 0;
  for (int i = 0; i < s.size(); i++) {
    if (s[i] == '+') {
      sum += d;
      d = 0;
    } else {
      d *= 10;
      d = s[i] - '0';
    }
  }
  sum += d;
  return sum;
}

int msum(string s, int i) {
  if (i == s.size() - 1) {
    return calc(s);
  }

  int sum = 0;
  char tmp = s[i];
  if (s[i - 1] != '+') {
    s[i] = '+';
    sum += msum(s, i + 1);
  }
  s[i] = tmp;
  sum += msum(s, i + 1);
  return sum;
}

int main() {
  string s;
  cin >> s;

  if (s.size() == 1) {
    cout << int(s[0] - '0') << endl;
    return 0;
  }
  cout << msum(s, 1) << endl;
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:53:12: error: expected '}' at end of input
   53 |   return 0;
      |            ^
a.cc:44:12: note: to match this '{'
   44 | int main() {
      |            ^
Language: C++

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


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

	unsigned int len = S.length();
	unsigned int bitmax = (unsigned int)pow(2, len-1);
	long long ans = 0;
	for (unsigned int i = 0; i <= (bitmax-1); i++) {
		bool plus_pos[10] = {false};
		for (int j = 0; j < 9; j++) {
			if (((i>>j)&1)==1) { plus_pos[j+1] = true; }
			else               { plus_pos[j+1] = false; }
		}

		long long val = 0;
		for (unsigned int str_pos = 0; str_pos < S.length(); str_pos++) {
			if (plus_pos[str_pos]) {
				ans += val;
				val = 0;
			}
			val = val * 10 + (int)((unsigned char)S[str_pos] - (unsigned char)'0');
		}
		ans += val;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:45: error: 'pow' was not declared in this scope
   11 |         unsigned int bitmax = (unsigned int)pow(2, len-1);
      |                                             ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
signed main(){
  string S;
  cin>>S;
  int N=S.size(),ans=0;
  rep(i,0,(1<<N-1)){
    bitset<10> A(i);
    int sum=0;
    string X;
    X+=S[0];
    rep(i,0,N-1){
      if(A.test(i)){
        sum+=stoi(X);
        X=null;
        }
      X+=S[i+1];
      }
    sum+=stoi(X);
    ans+=sum;
    }
  cout<<ans<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:26:11: error: 'null' was not declared in this scope
   26 |         X=null;
      |           ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
signed main(){
  string S;
  cin>>S;
  int N=S.size(),ans=0;
  rep(i,0,(1<<N-1)){
    bitset<10> A(i);
    int sum=0;
    string X=S[0];
    rep(i,0,N-1){
      if(A.test(i)){
        sum+=stoi(X);
        X=S[i+1];
        }
      else
        X+=S[i+1];
      }
    sum+=stoi(X);
    ans+=sum;
    }
  cout<<ans<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   21 |     string X=S[0];
      |                 ^
Language: C++

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

int main() {
  string s;
  cin >> s;
  long ans = 0;
  long n = s.length();
  for (int bit = 0; bit < (1 << n - 1); bit++) {
    string save = s[0];
    for(int i = 0; i < n - 1; i++) {
      if (bit & (1 << i)) {
        ans += stoll(save);
        save = s[i+1];
      } else {
        save += s[i+1];
      }
    }
    ans += stoll(save);
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:22: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   10 |     string save = s[0];
      |                      ^
Language: C++

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

long int keisan(bitset<9> pl){
}

int main(){
  string s ; cin >> s ;
  long int str = stoli(s) ;
  long int sum = 0 ;
  for(int i=0;i<(1<<s.size())){
    bitset<9> pl(i) ;
    
  }
}

Compiler output:
a.cc: In function 'long int keisan(std::bitset<9>)':
a.cc:5:1: warning: no return statement in function returning non-void [-Wreturn-type]
    5 | }
      | ^
a.cc: In function 'int main()':
a.cc:9:18: error: 'stoli' was not declared in this scope
    9 |   long int str = stoli(s) ;
      |                  ^~~~~
a.cc:11:30: error: expected ';' before ')' token
   11 |   for(int i=0;i<(1<<s.size())){
      |                              ^
      |                              ;
Language: C++

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

int S;
int main() {
  cin >> S;
  int l = S.size();
  int sum = 0;
  for (int tmp = 0; tmp < (1 << l - 1); tmp++) {
    int t = S.at(l - 1);
    for (int i = 0; i < l ; i++) {
      if ((tmp << i) & 1) {
        sum += t;
      }
      else {
        t *= 10;
      }
    }
    sum += t;
  }  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: request for member 'size' in 'S', which is of non-class type 'int'
    7 |   int l = S.size();
      |             ^~~~
a.cc:10:15: error: request for member 'at' in 'S', which is of non-class type 'int'
   10 |     int t = S.at(l - 1);
      |               ^~
Language: C++

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

int main() {
  string S;
  cin >> S;
  int sum = 0;
  for (int tmp = 0; tmp (1 << S.size() - 1); tmp++) {
    bitset<S.size() - 1> s(tmp);
    int sum_tmp = 0;
    for (int i = 0; i < S.size() - 1; i++) {
      if (s.set(i) == 1) {
        sum_tmp += 10*S.at(i);
      }
    }
  }
        
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:25: error: 'tmp' cannot be used as a function
    8 |   for (int tmp = 0; tmp (1 << S.size() - 1); tmp++) {
      |                     ~~~~^~~~~~~~~~~~~~~~~~~
a.cc:9:18: error: call to non-'constexpr' function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
    9 |     bitset<S.size() - 1> s(tmp);
      |            ~~~~~~^~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:1076:7: note: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' declared here
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
a.cc:9:18: error: call to non-'constexpr' function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
    9 |     bitset<S.size() - 1> s(tmp);
      |            ~~~~~~^~
/usr/include/c++/14/bits/basic_string.h:1076:7: note: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' declared here
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
a.cc:9:21: note: in template argument for type 'long unsigned int'
    9 |     bitset<S.size() - 1> s(tmp);
      |            ~~~~~~~~~^~~
a.cc:12:13: error: request for member 'set' in 's', which is of non-class type 'int'
   12 |       if (s.set(i) == 1) {
      |             ^~~
Language: C++

s = input()
n = len(s) - 1
answers = []
sl = [s[i] for i in range(len(s))]
for i in range(2 ** n):
    tmp = []
    for j in range(n):
        if ((i >> j) & 1):
            tmp.append(j)
    ll = ['*']*len(s)
    for k in tmp:
        ll[k] = '+'
    ans = []
    for k, _ in zip(sl, ll):
        ans.append(k)
        ans.append(_)
    ans = [_ for _ in ans if _ != '*']
    ans = ''.join(ans)
    ans = ans.split('+')
    ans = [int(_) for _ in ans if _ != '+']
    ans = sum(ans)
    answers.append(ans)
print(sum(answers))

Compiler output:
a.cc:18:11: error: empty character constant
   18 |     ans = ''.join(ans)
      |           ^~
a.cc:1:1: error: 's' does not name a type
    1 | s = input()
      | ^
Language: C

/*
	submission # - User: herp_sy
	https://atcoder.jp/contests/

	coding: utf-8
	lang: C (GCC 5.4.1)
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdbool.h>

#define _CRT_SECURE_NO_WARNINGS
#define TLong long long
#define TBMod 1000000007

TLong getSum(TLong n,TLong i,TLong sum)
{
	if(n / i == 0)	return (n + sum);
	return getSum(n / i, 10, sum + n % i) + getSum(n, i * 10, sum);
}
 
int main(int argc, char const *argv[])
{
	TLong n;
	scanf("%lld", &n);
	printf("%lld", sum(n, 10, 0));
	return 0;
 }


Compiler output:
main.c: In function 'main':
main.c:29:24: error: implicit declaration of function 'sum' [-Wimplicit-function-declaration]
   29 |         printf("%lld", sum(n, 10, 0));
      |                        ^~~