View Compilation Error

0_0_38820315_17112.cpp: In function 'int main()':
0_0_38820315_17112.cpp:18:46: error: 'amp' was not declared in this scope
   18 |                 if(calc(10,i) == calc(12,i) && calc(12,i) == calc(16,i)){
      |                                              ^~~
0_0_38820315_17112.cpp:18:54: error: expected ')' before ';' token
   18 |                 if(calc(10,i) == calc(12,i) && calc(12,i) == calc(16,i)){
      |                   ~                                  ^
      |                                                      )
0_0_38820315_17112.cpp:18:80: error: expected ';' before ')' token
   18 |                 if(calc(10,i) == calc(12,i) && calc(12,i) == calc(16,i)){
      |                                                                                ^
      |                                                                                ;