Compilare: user.cpp: In function ‘int main()’: user.cpp:37:23: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=su,j=1;i>=1,j<=su;i--,j++) ^ user.cpp:42:25: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=1,j=su+1;i<=n,j<=n;i++,j++) ^ user.cpp:7:103: warning: variable ‘S1’ set but not used [-Wunused-but-set-variable] int d[10001],d1[100001],s[100001],s1[100001],n,x,sm=0,a,i1=1,i2=1,j1=1,j2=1,du=0,su=0,poz,D=0,S=0,S1; ^ user.cpp:59:21: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=poz+1;i<=n;i++) ^