Language: C++

#include <bits/stdc++.h>
#define mod (1000000007)
#define rep(i,a,b) for (int64_t i = (a); i < (b); i++)
#define REP(i,n) rep(i,0,n)
vector<int>dp(1010,0);
void solve() 
{
    int h,w;cin>>h>>w;
    dp[1]=1;
    REP(i,h){
        string s;cin>>s;
        rep(j,1,w+1)
            s[j-1]=='#'?dp[j]=0:dp[j]=(dp[j]+dp[j-1])%mod;
    }
    cout<<dp[w]<<endl;
}
int main()
{
    cin.tie(0);
	ios::sync_with_stdio(false);
    solve();
    return 0;
}


Compiler output:
a.cc:5:1: error: 'vector' does not name a type
    5 | vector<int>dp(1010,0);
      | ^~~~~~
a.cc: In function 'void solve()':
a.cc:8:13: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |     int h,w;cin>>h>>w;
      |             ^~~
      |             std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:5: error: 'dp' was not declared in this scope; did you mean 'dup'?
    9 |     dp[1]=1;
      |     ^~
      |     dup
a.cc:11:9: error: 'string' was not declared in this scope
   11 |         string s;cin>>s;
      |         ^~~~~~
a.cc:11:9: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:11:23: error: 's' was not declared in this scope
   11 |         string s;cin>>s;
      |                       ^
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout<<dp[w]<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:15:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |     cout<<dp[w]<<endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc: In function 'int main()':
a.cc:19:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   19 |     cin.tie(0);
      |     ^~~
      |     std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:20:9: error: 'ios' has not been declared
   20 |         ios::sync_with_stdio(false);
      |         ^~~