Compilare: main.cpp: In function 'int main()': main.cpp:32:38: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::stack<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf(out,"%d ",stec.size()); ^ main.cpp:57:35: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::queue<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf(out,"%d ",q.size()); ^ main.cpp:13:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&c); ^ main.cpp:19:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%lld",&x); ^ main.cpp:41:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&m); ^ main.cpp:45:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&f); ^