Compilare: user.cpp: In function ‘int main()’: user.cpp:27:29: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[101]’ [-Wformat=] fscanf(fin, "%s", &n); ^ user.cpp:9:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:27:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &n); ^ user.cpp:38:41: warning: ‘mod’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d\n", v[mod]); ^