View Compilation Error

0_0_21993102_20017.cpp: In function 'int ISAP::isap(int, int)':
0_0_21993102_20017.cpp:64:24: error: expected primary-expression at end of input
                 if (0==-
                        ^
0_0_21993102_20017.cpp:64:24: error: expected ')' at end of input
0_0_21993102_20017.cpp:64:24: error: expected statement at end of input
0_0_21993102_20017.cpp:64:24: error: expected '}' at end of input
0_0_21993102_20017.cpp:64:24: error: expected '}' at end of input
0_0_21993102_20017.cpp:64:24: error: expected '}' at end of input
0_0_21993102_20017.cpp: At global scope:
0_0_21993102_20017.cpp:64:24: error: expected '}' at end of input