View Compilation Error

0_0_16615194_8787.cpp:78:13: error: missing terminating " character
             printf(" = );
             ^
0_0_16615194_8787.cpp: In function 'int main()':
0_0_16615194_8787.cpp:79:4: error: expected primary-expression before 'for'
    for(i1=q;i1<501;i1++)
    ^
0_0_16615194_8787.cpp:79:24: error: expected ';' before ')' token
    for(i1=q;i1<501;i1++)
                        ^