Compilare: user.cpp: In function ‘int main()’: user.cpp:12:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1000001]’ [-Wformat=] fscanf(f,"%s",&sir); ^ user.cpp:10:28: warning: unused variable ‘x2’ [-Wunused-variable] int i;int maxi=0;int x=0,x2=0; ^ user.cpp:11:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&n); ^ user.cpp:12:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&sir); ^