View Compilation Error

0_0_5218456_29947.cpp: In function `void sum(char*, char*)':
0_0_5218456_29947.cpp:16: error: name lookup of `i' changed for new ISO `for' scoping
0_0_5218456_29947.cpp:9: error:   using obsolete binding at `i'
0_0_5218456_29947.cpp: In function `int main()':
0_0_5218456_29947.cpp:39: error: expected `)' before ';' token
0_0_5218456_29947.cpp:39: error: `m' undeclared (first use this function)
0_0_5218456_29947.cpp:39: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5218456_29947.cpp:39: error: expected `;' before ')' token