Compilare: main.cpp: In function 'int main()': main.cpp:27:27: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(g, "%d\n", sum); /// task_1 ^ main.cpp:21:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &nr_cab, &n); ^ main.cpp:23:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &v[i]); ^