Compilare: main.cpp: In function 'int main()': main.cpp:24:30: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf( fin, "%d", x ); ^ main.cpp:12:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ main.cpp:24:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", x ); ^ main.cpp:24:31: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] fscanf( fin, "%d", x ); ^