int main()
{
foo *tbl[] = {
new foo("Harry Truman", "Elizabeth"),
new foo("Dwight Eisenhower", "Mamie"),
new foo("John Kennedy", "Jacqueline"),
new foo("Lyndon Johnson", "Claudia"),
new foo("Richard Nixon", "Thelma"),
new foo("Gerald Ford", "Betty"),
new foo("Jimmy Carter", "Rosalynn"),
new foo("Ronald Reagan", "Nancy"),
new foo("George Bush", "Barbara"),
new foo("Bill Clinton", "Hillary")
};
const int n = sizeof(tbl)/sizeof(tbl[0]);