Compilare: main.cpp: In function 'int main()': main.cpp:15:12: warning: 'T' is used uninitialized in this function [-Wuninitialized] 15 | while(T--) { | ~^~ main.cpp:6:5: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] 6 | if(b == 0) return a; | ^~ main.cpp:16:16: note: 'b' was declared here 16 | int a, b; | ^ main.cpp:7:15: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] 7 | return gcd(b, a % b); | ~~~^~~~~~~~~~ main.cpp:16:13: note: 'a' was declared here 16 | int a, b; | ^