PPT dia
int main(int argc, char *argv[])
if(da.bh > 2 && da.msh > 10){
enum status {norm, abnorm};
void read(status& sb, int& db);
sx = x.eof() ? abnorm: norm;
void B::read(status& sb, int& db)
while(sx==norm && dx!=SVJ){
sx = x.eof() ? abnorm: norm;
sx = x.eof() ? abnorm: norm;
void read(status& sa, Rec& da);
while(sb==norm && db==0){
void A::read(status& sa, Rec& da)
while(sb==norm && db!=0){
while(sb==norm && db==0){