pyramids.cpp: In function 'void init(std::vector<int>, std::vector<int>)':
pyramids.cpp:9:52: error: 'robi' was not declared in this scope; did you mean 'robi2'?
9 | for (int i = 1; i < A.size(); ++i) robi1[i] += robi[i-1]+arr[i];
| ^~~~
| robi2
pyramids.cpp:9:62: error: 'arr' was not declared in this scope
9 | for (int i = 1; i < A.size(); ++i) robi1[i] += robi[i-1]+arr[i];
| ^~~
pyramids.cpp:11:63: error: 'arr' was not declared in this scope
11 | for (int i = 1; i < B.size(); ++i) robi2[i] += robi2[i-1]+arr[i];
| ^~~