Compilare: main.cpp: In function 'int main()': main.cpp:10:17: warning: unused variable 'a' [-Wunused-variable] 10 | int n,i,x,j,a,b,st,dr,mij,ans=0,k; | ^ main.cpp:10:19: warning: unused variable 'b' [-Wunused-variable] 10 | int n,i,x,j,a,b,st,dr,mij,ans=0,k; | ^ main.cpp:10:37: warning: unused variable 'k' [-Wunused-variable] 10 | int n,i,x,j,a,b,st,dr,mij,ans=0,k; | ^ main.cpp:21:16: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 21 | if(v[mij]<=x) | ^~ main.cpp:10:13: note: 'x' was declared here 10 | int n,i,x,j,a,b,st,dr,mij,ans=0,k; | ^