Compilare: main.cpp: In function 'int main()': main.cpp:55:45: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'i64 {aka long long int}' [-Wformat=] fscanf(in, "%lld ", coins[i]) ; ^ main.cpp:53:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld %lld", &n, &k) ; ^ main.cpp:55:47: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld ", coins[i]) ; ^