View Compilation Error

0_0_33383438_31444.cpp: In function 'int ok(int, int, int, int)':
0_0_33383438_31444.cpp:107:7: error: expected primary-expression at end of input
  while(
       ^
0_0_33383438_31444.cpp:107:7: error: expected ')' at end of input
0_0_33383438_31444.cpp:107:7: error: expected statement at end of input
0_0_33383438_31444.cpp:107:7: error: expected '}' at end of input