View Compilation Error

0_0_22227066_26437.cpp: In function 'int main()':
0_0_22227066_26437.cpp:9:18: error: expected primary-expression before ';' token
                k=;
                  ^
0_0_22227066_26437.cpp:17:13: error: expected primary-expression before ';' token
       for(i=;i<k;i++)
             ^
0_0_22227066_26437.cpp:19:16: error: expected primary-expression before '=' token
          if(i%==0)
                ^
0_0_22227066_26437.cpp:25:12: error: expected primary-expression before ';' token
      for(i=;i<k;i++)
            ^
0_0_22227066_26437.cpp:27:16: error: expected primary-expression before '=' token
          if(i%==0&&str2[i]!='0')
                ^
0_0_22227066_26437.cpp:33:12: error: expected primary-expression before ';' token
      for(i=;i<k;i++)
            ^