Compilare: user.cpp: In function ‘int main()’: user.cpp:64:47: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 4 has type ‘int*’ [-Wformat=] fscanf(fin, "%d%lld", &r[i].x, &r[i].y); ^ user.cpp:58:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &n, &m, &k); ^ user.cpp:60:79: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d", &e[i].x, &e[i].a, &e[i].y, &e[i].b, &e[i].c); ^ user.cpp:64:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%lld", &r[i].x, &r[i].y); ^