View Compilation Error

0_0_38788124_9813.cpp: In function 'void solve()':
0_0_38788124_9813.cpp:79:20: error: 'r' was not declared in this scope
   79 |         ans=ans+s*(r+y+b-s);
      |                    ^
0_0_38788124_9813.cpp:79:22: error: 'y' was not declared in this scope
   79 |         ans=ans+s*(r+y+b-s);
      |                      ^