Compilare: main.cpp: In function 'int main()': main.cpp:59:19: warning: unused variable 'cnt' [-Wunused-variable] int s=1, x, cnt=0; ^~~ main.cpp: In function 'int nrsegm(int)': main.cpp:27:12: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] return x; ^ main.cpp: In function 'int nrobt(int)': main.cpp:43:12: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] return x; ^