Compilare: user.c: In function ‘main’: user.c:7: warning: missing braces around initializer user.c:7: warning: (near initialization for ‘d[0]’) user.c:8: warning: missing braces around initializer user.c:8: warning: (near initialization for ‘e[0]’) user.c:12: warning: missing braces around initializer user.c:12: warning: (near initialization for ‘c[0]’) user.c:70: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘long long unsigned int’ user.c:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:74: warning: control reaches end of non-void function