Compilare: main.cpp: In function 'void scanare(long long int, FILE*)': main.cpp:8:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &a[i]); ^ main.cpp: In function 'int main()': main.cpp:83:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &T); ^ main.cpp:86:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld%lld", &n, &k); ^