View Compilation Error

0_0_12697457_29230.cpp: In function `int main()':
0_0_12697457_29230.cpp:57: error: name lookup of `i' changed for new ISO `for' scoping
0_0_12697457_29230.cpp:52: error:   using obsolete binding at `i'
0_0_12697457_29230.cpp:59: error: `itoa' undeclared (first use this function)
0_0_12697457_29230.cpp:59: error: (Each undeclared identifier is reported only once for each function it appears in.)