Main.cc: In function 'int main()':
Main.cc:12:6: error: 'nums' was not declared in this scope
   12 | cin>>nums[i];
      |      ^~~~
Main.cc:17:24: error: 's' was not declared in this scope
   17 |                     if(s[k]==s[i]+s[j]){
      |                        ^
Main.cc:25:1: error: expected '}' at end of input
   25 | }
      | ^
Main.cc:8:12: note: to match this '{'
    8 | int main() {
      |            ^