Compilare: main.cpp: In function 'int main()': main.cpp:5:130: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] 5 | ifstream f("cmmdc.in"); ofstream g("cmmdc.out"); short int a, b; f >> a; f >> b; short int r; while (b != 0) {a= b;b = r;r = a % b;}g<<a;return 0;} | ^