Compilare: user.cpp: In function ‘int main()’: user.cpp:21:58: warning: ‘butl’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=1;j<=m;j++)x[butl][j]*=(-1);x[butl][butc]*=(-1); ^ user.cpp:20:34: warning: ‘min2’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=1;j<=m;j++)sl+=x[i][j];if(sl<min2){min2=sl;butl=i;}} ^ user.cpp:21:58: warning: ‘butc’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=1;j<=m;j++)x[butl][j]*=(-1);x[butl][butc]*=(-1); ^ user.cpp:16:5: warning: ‘min1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(sc<min1){min1=sc;butc=j;}} ^