expresie1.cpp: In function `void conversie(int)': expresie1.cpp:20: warning: `int nrinv' might be used uninitialized in this function expresie1.cpp: In function `int main()': expresie1.cpp:120: `itoa' undeclared (first use this function) expresie1.cpp:120: (Each undeclared identifier is reported only once for each function it appears in.)