Compilare: user.cpp: In function ‘int main()’: user.cpp:25:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &cab, &pers); ^ user.cpp:28:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &rotiri); ^ user.cpp:41:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &cab, &pers); ^ user.cpp:43:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &rotiri); ^ user.cpp:47:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &rotiri); ^ user.cpp:102:21: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i = p + 1; i <= cab; ++i){ ^ user.cpp:23:20: note: ‘poz’ was declared here int pers, cab, poz, ultimaCabina, rotiri; ^