Compilare: main.cpp: In function 'int main()': main.cpp:24:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( top < stiva.size() ) { ~~~~^~~~~~~~~~~~~~ main.cpp:16:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &n ); ^ main.cpp:21:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d%d", &tip, &x ); ^