View Compilation Error

0_0_4557416_18600.cpp: In function `bool cmp(int)':
0_0_4557416_18600.cpp:45: error: name lookup of `i' changed for new ISO `for' scoping
0_0_4557416_18600.cpp:44: error:   using obsolete binding at `i'
0_0_4557416_18600.cpp: In function `int main()':
0_0_4557416_18600.cpp:84: error: `strrev' undeclared (first use this function)
0_0_4557416_18600.cpp:84: error: (Each undeclared identifier is reported only once for each function it appears in.)