Compilare: main.c: In function 'main': main.c:7:12: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=] fscanf(f,"%d %d",a,b); ^ main.c:7:15: warning: format '%d' expects argument of type 'int *', but argument 4 has type 'int' [-Wformat=] fscanf(f,"%d %d",a,b); ^ main.c:7:1: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",a,b); ^~~~~~~~~~~~~~~~~~~~~ main.c:7:1: warning: 'a' is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d %d",a,b); ^~~~~~~~~~~~~~~~~~~~~ main.c:7:1: warning: 'b' is used uninitialized in this function [-Wuninitialized] main.c:19:1: warning: 'g' is used uninitialized in this function [-Wuninitialized] fprintf(g,"%d",a); ^~~~~~~~~~~~~~~~~