Compilare: main.cpp: In function 'int main()': main.cpp:42:30: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long int*' [-Wformat=] fscanf(f, "%d ", &sum_to_get); ^ main.cpp:40:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d ", &n); ^ main.cpp:42:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d ", &sum_to_get); ^