Compilare: user.c: In function ‘desco’: user.c:47: warning: unknown conversion type character 0x20 in format user.c:47: warning: unknown conversion type character 0xa in format user.c:47: warning: too many arguments for format user.c: In function ‘main’: user.c:56: warning: conversion lacks type at end of format user.c:56: warning: too many arguments for format user.c:59: warning: conversion lacks type at end of format user.c:59: warning: too many arguments for format user.c:53: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:54: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:56: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:59: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result