Compilare: main.cpp: In function 'int main()': main.cpp:20:28: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] fscanf(in,"%d %d",&n,&e); ^ main.cpp:20:28: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=] main.cpp:35:36: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(out,"%d %d\n",j,j-1); ^ main.cpp:35:36: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long long int' [-Wformat=] main.cpp:20:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&n,&e); ^