运行 ID: 41765

Main.cc: In function ‘int main()’:
Main.cc:7:9: error: conflicting declaration ‘std::__cxx11::string t’
  string t;
         ^
Main.cc:5:14: note: previous declaration as ‘int t’
  int n,k,r,s,t;
              ^
Main.cc:16:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   else if(a[i]='r') sum+=c;
           ~~~~^~~~
Main.cc:16:21: error: ‘sum’ was not declared in this scope
   else if(a[i]='r') sum+=c;
                     ^~~
Main.cc:16:26: error: ‘c’ was not declared in this scope
   else if(a[i]='r') sum+=c;
                          ^
Main.cc:17:22: error: ‘sum’ was not declared in this scope
   else if(a[i]=='s') sum+=r;
                      ^~~
Main.cc:18:21: error: ‘sum’ was not declared in this scope
   else if(a[i]=='c')sum+=s; 
                     ^~~
Main.cc:20:8: error: ‘sum’ was not declared in this scope
  cout<