Compilare: main.cpp: In function 'int main()': main.cpp:38:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf, sizeof(char), MAXBUF, fin); ^ main.cpp: In function 'void ReadInt(int*)': main.cpp:139:50: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf, sizeof(char), MAXBUF, fin); ^ main.cpp:148:50: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf, sizeof(char), MAXBUF, fin); ^