Compilare: user.c: In function ‘main’: user.c:43: warning: format ‘%d’ expects type ‘int *’, but argument 4 has type ‘long long int *’ user.c:80: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.c:43: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘caut’: user.c:18: warning: ‘i’ may be used uninitialized in this function user.c:18: warning: ‘ii’ may be used uninitialized in this function