Compilare: user.cpp: In function ‘int main()’: user.cpp:13:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100000]’ [-Wformat=] fscanf(f1,"%s",&c); ^ user.cpp:17:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long i=0;i<n;i++) ^ user.cpp:12:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&t); ^ user.cpp:13:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%s",&c); ^