Compilare: user.cpp: In function ‘int main()’: user.cpp:15:30: warning: conversion lacks type at end of format [-Wformat=] fscanf( fin , "%ll" , &n ); ^ user.cpp:15:30: warning: too many arguments for format [-Wformat-extra-args] user.cpp:18:34: warning: conversion lacks type at end of format [-Wformat=] fscanf( fin , "%ll" , &x ); ^ user.cpp:18:34: warning: too many arguments for format [-Wformat-extra-args] user.cpp:15:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin , "%ll" , &n ); ^ user.cpp:18:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin , "%ll" , &x ); ^