View Compilation Error

0_0_38785805_4770.cpp: In function 'int main()':
0_0_38785805_4770.cpp:67:4: error: 'r' was not declared in this scope
   67 |    r
      |    ^
0_0_38785805_4770.cpp:67:5: error: expected '}' at end of input
   67 |    r
      |     ^
0_0_38785805_4770.cpp:58:1: note: to match this '{'
   58 | {
      | ^