Compilare: user.c: In function 'main': user.c:47: warning: assignment makes integer from pointer without a cast user.c:48: warning: assignment makes integer from pointer without a cast user.c:51: warning: passing argument 1 of 'fscanf' makes pointer from integer without a cast user.c:58: warning: passing argument 1 of 'fscanf' makes pointer from integer without a cast user.c:66: warning: passing argument 1 of 'fprintf' makes pointer from integer without a cast user.c:68: warning: passing argument 1 of 'fclose' makes pointer from integer without a cast user.c:69: warning: passing argument 1 of 'fclose' makes pointer from integer without a cast user.c: In function 'profit': user.c:41: warning: control reaches end of non-void function