Compilare: user.cpp: In function ‘void read(int*, int*, int, FILE*)’: user.cpp:13:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d", size, &prev); ^ user.cpp:17:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &now); ^ user.cpp: In function ‘int main()’: user.cpp:44:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("siruri.out", "w", stdout); ^ user.cpp:46:61: warning: ‘bp’ may be used uninitialized in this function [-Wmaybe-uninitialized] else fprintf(stdout, "%d %d %d\n", max + 1, bs + 1, bp + 1); ^ user.cpp:46:61: warning: ‘bs’ may be used uninitialized in this function [-Wmaybe-uninitialized]