Compilare: main.cpp: In function 'int main()': main.cpp:7:17: warning: unused variable 'b' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^ main.cpp:7:21: warning: unused variable 'm' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^ main.cpp:7:23: warning: unused variable 'ta' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~ main.cpp:7:26: warning: unused variable 'tb' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~ main.cpp:7:31: warning: unused variable 'j' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^ main.cpp:7:33: warning: unused variable 'nrc' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~~ main.cpp:7:39: warning: unused variable 'nrd' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~~ main.cpp:7:47: warning: unused variable 'c' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^ main.cpp:7:49: warning: unused variable 'mx' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~ main.cpp:7:55: warning: unused variable 'k1' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~ main.cpp:7:60: warning: unused variable 'k2' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~ main.cpp:7:65: warning: unused variable 'k' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^ main.cpp:7:69: warning: unused variable 'cnt' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~~ main.cpp:7:75: warning: unused variable 'pas' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~~ main.cpp:7:79: warning: unused variable 'idk' [-Wunused-variable] long long a,b,n,m,ta,tb,i,j,nrc=0,nrd=0,t,c,mx=-1,k1=0,k2=0,k=0,cnt=0,pas,idk=99999999,nod=-1,pz1,pz2; ^~~ main.cpp:60:29: warning: 'pz1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a!=2 && i!=pz1) ~~~~~^~~~~~~~~