Compilare: main.c: In function 'main': main.c:14:15: warning: passing argument 1 of 'scanf' from incompatible pointer type [-Wincompatible-pointer-types] 14 | { scanf(in,"%d %d %d %d", &a[i].x, &a[i].y, &a[i].salt, &a[i].gr); | ^~ | | | FILE * In file included from main.c:1: /usr/include/stdio.h:421:42: note: expected 'const char * restrict' but argument is of type 'FILE *' 421 | extern int scanf (const char *__restrict __format, ...) __wur; | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.c:22:12: warning: passing argument 1 of 'printf' from incompatible pointer type [-Wincompatible-pointer-types] 22 | printf(out,"%d ",suma[i]); | ^~~ | | | FILE * /usr/include/stdio.h:356:43: note: expected 'const char * restrict' but argument is of type 'FILE *' 356 | extern int printf (const char *__restrict __format, ...); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~