Compilare: user.cpp: In function ‘int main()’: user.cpp:74:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short unsigned int*’ [-Wformat=] fscanf(fin, "%d%d", &x, &y); ^ user.cpp:74:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘short unsigned int*’ [-Wformat=] user.cpp:89:18: warning: null argument where non-null required (argument 2) [-Wnonnull] fprintf(fout, 0); ^ user.cpp:70:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &N, &M); ^ user.cpp:74:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^