Compilare: user.cpp: In function ‘int32_t main()’: user.cpp:111:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(fin, "%d\n", &t); ^ user.cpp: In function ‘char myfgetc(FILE*)’: user.cpp:14:37: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, MAX_BUF, fin); ^ user.cpp: In function ‘int32_t main()’: user.cpp:111:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", &t); ^ user.cpp:112:33: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, MAX_BUF, fin); ^