View Compilation Error

0_0_13097579_29873.cpp: In function 'int find(int)':
0_0_13097579_29873.cpp:25:18: error: expected ')' at end of input
         while(x!=r
                  ^
0_0_13097579_29873.cpp:25:18: error: expected statement at end of input
0_0_13097579_29873.cpp:25:18: error: expected '}' at end of input
0_0_13097579_29873.cpp:25:18: error: expected '}' at end of input