View Compilation Error

0_0_22427472_9930.cpp: In function 'bool check(int, int, int)':
0_0_22427472_9930.cpp:61:25: error: expected primary-expression before ')' token
     for(int i = 1; i <= )
                         ^
0_0_22427472_9930.cpp:61:25: error: expected ';' before ')' token