View Compilation Error

0_0_21591552_11088.cpp:56:14: error: stray '#' in program
     putchar('\n');
              ^
0_0_21591552_11088.cpp:56:5: error: stray '\' in program
     putchar('\n');
     ^
0_0_21591552_11088.cpp:56:21: error: stray '#' in program
     putchar('\n');
                     ^
0_0_21591552_11088.cpp: In function 'void KMP()':
0_0_21591552_11088.cpp:56:15: error: lvalue required as unary '&' operand
     putchar('\n');
               ^
0_0_21591552_11088.cpp:56:19: error: 'n' was not declared in this scope
     putchar('\n');
                   ^
0_0_21591552_11088.cpp:56:25: error: expected primary-expression before ')' token
     putchar('\n');
                         ^