Compilare: user.cpp: In function ‘int mediana(int, int, int)’: user.cpp:15:14: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[i]>=v[j]&&v[i]<=v[k]||v[i]<=v[j]&&v[i]>=v[k])return i; ^ user.cpp:17:14: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[j]>=v[i]&&v[j]<=v[k]||v[j]<=v[i]&&v[j]>=v[k])return j; ^ user.cpp: In function ‘int pivot(int, int)’: user.cpp:25:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&x,&y,&z); ^