View Compilation Error

0_0_17809781_5505.cpp: In function 'int main()':
0_0_17809781_5505.cpp:39:42: error: expected primary-expression before ')' token
             for(int j = i - len2 + 1; j <)
                                          ^
0_0_17809781_5505.cpp:39:42: error: expected ';' before ')' token