View Compilation Error

0_0_38820156_18691.cpp: In function 'int main()':
0_0_38820156_18691.cpp:29:18: error: 'amp' was not declared in this scope
   29 |         if(t<=r1&&flag>0)
      |                  ^~~
0_0_38820156_18691.cpp:29:26: error: expected ')' before ';' token
   29 |         if(t<=r1&&flag>0)
      |           ~              ^
      |                          )
0_0_38820156_18691.cpp:29:33: error: expected ';' before ')' token
   29 |         if(t<=r1&&flag>0)
      |                                 ^
      |                                 ;
0_0_38820156_18691.cpp:31:9: error: 'else' without a previous 'if'
   31 |         else
      |         ^~~~