View Compilation Error

0_0_28794264_7604.cpp: In function 'int main()':
0_0_28794264_7604.cpp:11:24: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
             scanf(str[i]);
                        ^
In file included from 0_0_28794264_7604.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:386:15: note: initializing argument 1 of 'int scanf(const char*, ...)'
   int __cdecl scanf(const char * __restrict__ _Format,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
               ^
0_0_28794264_7604.cpp:12:32: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
             length=strlen(str[i]);
                                ^
In file included from 0_0_28794264_7604.cpp:2:0:
GCC4.9.2/x86_64-w64-mingw32/include/string.h:54:18: note: initializing argument 1 of 'size_t strlen(const char*)'
   size_t __cdecl strlen(const char *_Str);
                  ^