View Compilation Error

1090921_0_0_26569.cpp: In function `int main()':
1090921_0_0_26569.cpp:31: error: `itoa' undeclared (first use this function)
1090921_0_0_26569.cpp:31: error: (Each undeclared identifier is reported only once for each function it appears in.)
1090921_0_0_26569.cpp:49: error: expected `;' before '}' token