Compilare: main.cpp: In function 'void Displaying()': main.cpp:66:30: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::deque<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf(g,"%d\n",Q.size()); ^ main.cpp:65:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp: In function 'void Read()': main.cpp:16:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&N,&M,&X,&Y); ^ main.cpp:19:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&x,&y); ^