Compilare: user.cpp: In function ‘int main()’: user.cpp:30:75: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(((b[j].min>=b[i].min)&&(b[j].min<=b[i].max))||((b[j].max>=b[i].min))&&(b[i].min>=b[j].max)) ^ user.cpp:9:8: warning: unused variable ‘a’ [-Wunused-variable] int a[75],t,n,i,ok=0,aux,j,s=0,m,r=0,o,p,l; ^ user.cpp:9:25: warning: unused variable ‘aux’ [-Wunused-variable] int a[75],t,n,i,ok=0,aux,j,s=0,m,r=0,o,p,l; ^ user.cpp:9:41: warning: unused variable ‘o’ [-Wunused-variable] int a[75],t,n,i,ok=0,aux,j,s=0,m,r=0,o,p,l; ^ user.cpp:9:43: warning: unused variable ‘p’ [-Wunused-variable] int a[75],t,n,i,ok=0,aux,j,s=0,m,r=0,o,p,l; ^ user.cpp:34:26: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] if((b[i].max-b[i].min)<m) {m=b[i].max-b[i].min; ^