View Compilation Error

0_0_30251415_27450.cpp: In function 'int main()':
0_0_30251415_27450.cpp:105:18: error: expected ';' before '==' token
         for(int i==1;i<=len;i++)
                  ^
0_0_30251415_27450.cpp:105:18: error: expected primary-expression before '==' token
0_0_30251415_27450.cpp:105:28: error: expected ')' before ';' token
         for(int i==1;i<=len;i++)
                            ^
0_0_30251415_27450.cpp:105:29: error: 'i' was not declared in this scope
         for(int i==1;i<=len;i++)
                             ^