Language: C++

#include<bits/stdc++.h>
using namespade std;
define int long long
#define rep(i,n) for(int i=0;i<(n);i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
int mod=1e9+7;
int maxv=1e5+10;

int dp[maxv][4];

signed main(){
	string s;cin>>s;
	dp[0][0]=1;
	int n=s.size();
	string abc="abc";
	rep(i,n){
	rep(j,4){
		char c=s[i];
		rep(k,3){
			if(c==abc[k]){
				(dp[i+1][j]+=dp[i][j])%=mod;
				if(j==k)(dp[i+1][j+1]+=dp[i][j])%=mod;
			}
		if(c=='?'){(dp[i+1][j]+=3*dp[i][j])%=mod;
				  if(j<4) (dp[i+1][j+1]+=3*dp[i][j])%=mod;
				}
		}
		
	}}
	cout<<dp[n][4]<<endl;
}




Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespade'
    2 | using namespade std;
      |       ^~~~~~~~~
a.cc:3:1: error: 'define' does not name a type
    3 | define int long long
      | ^~~~~~
a.cc:9:8: error: size of array 'dp' is not an integral constant-expression
    9 | int dp[maxv][4];
      |        ^~~~
a.cc: In function 'int main()':
a.cc:12:9: error: 'string' was not declared in this scope
   12 |         string s;cin>>s;
      |         ^~~~~~
a.cc:12:9: 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,
                 from a.cc:1:
/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:12:18: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   12 |         string s;cin>>s;
      |                  ^~~
      |                  std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:12:23: error: 's' was not declared in this scope
   12 |         string s;cin>>s;
      |                       ^
a.cc:15:15: error: expected ';' before 'abc'
   15 |         string abc="abc";
      |               ^~~~
      |               ;
a.cc:20:31: error: 'abc' was not declared in this scope; did you mean 'abs'?
   20 |                         if(c==abc[k]){
      |                               ^~~
      |                               abs
a.cc:21:57: error: 'mod' was not declared in this scope; did you mean 'modf'?
   21 |                                 (dp[i+1][j]+=dp[i][j])%=mod;
      |                                                         ^~~
      |                                                         modf
a.cc:24:54: error: 'mod' was not declared in this scope; did you mean 'modf'?
   24 |                 if(c=='?'){(dp[i+1][j]+=3*dp[i][j])%=mod;
      |                                                      ^~~
      |                                                      modf
a.cc:30:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   30 |         cout<<dp[n][4]<<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:30:25: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   30 |         cout<<dp[n][4]<<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)
      |     ^~~~