Compilare: main.cpp: In function 'int main()': main.cpp:16:21: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(f,"%d", p); ^ main.cpp:16:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", p); ^ main.cpp:16:22: warning: 'p' is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d", p); ^