A
cout<<(double)((int)(res*10000000))/100000000
Size: a a a
A
A
AB
AB
AB
R

char buffer[30];
sprintf(buffer, "%.9lf", d);
buffer[strlen(buffer)-1] = '\0';
puts(buffer);AP
char buffer[30];
sprintf(buffer, "%.9lf", d);
buffer[strlen(buffer)-1] = '\0';
puts(buffer);G
char buffer[30];
sprintf(buffer, "%.9lf", d);
buffer[strlen(buffer)-1] = '\0';
puts(buffer);R
G
R
G
R
G
R
R
ОС
ОС