Compilare: user.cpp: In function ‘int main()’: user.cpp:8:72: warning: unused variable ‘M’ [-Wunused-variable] long long int v,n,l=1,Smaxima,suma,Snumar,maxlinie=-1,linie,i,j,S1,M,p,r,k,minim=1000000,r1,u; ^ user.cpp:8:74: warning: unused variable ‘p’ [-Wunused-variable] long long int v,n,l=1,Smaxima,suma,Snumar,maxlinie=-1,linie,i,j,S1,M,p,r,k,minim=1000000,r1,u; ^ user.cpp:37:20: warning: ‘r1’ may be used uninitialized in this function [-Wmaybe-uninitialized] n1[1][1]=(u+r1)/2; ^ user.cpp:29:9: warning: ‘S1’ may be used uninitialized in this function [-Wmaybe-uninitialized] Sa=S-S1; ^