Compilare: main.c: In function 'main': main.c:13:22: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=] 13 | fscanf(pf, "%d", v[j]); | ~^ ~~~~ | | | | | int | int * main.c:66:24: warning: passing argument 2 of 'fprintf' makes pointer from integer without a cast [-Wint-conversion] 66 | {fprintf(pfo, v[i]); | ~^~~ | | | int In file included from main.c:1: /usr/include/stdio.h:351:44: note: expected 'const char * restrict' but argument is of type 'int' 351 | const char *__restrict __format, ...); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.c:13:9: warning: 'v' may be used uninitialized [-Wmaybe-uninitialized] 13 | fscanf(pf, "%d", v[j]); | ^~~~~~~~~~~~~~~~~~~~~~ main.c:8:10: note: 'v' was declared here 8 | int *v ,*w, *q; | ^ main.c:14:13: warning: 'w' may be used uninitialized [-Wmaybe-uninitialized] 14 | w[j]= v[j]; | ~~~~^~~~~~ main.c:8:14: note: 'w' was declared here 8 | int *v ,*w, *q; | ^ main.c:35:23: warning: 'q' may be used uninitialized [-Wmaybe-uninitialized] 35 | {q[ct]=v[i]; | ~~~~~^~~~~ main.c:8:18: note: 'q' was declared here 8 | int *v ,*w, *q; | ^