香蕉视频

Not long ago, a team of researchers from Stanford and McGill universities broke a 35-year record in computer science by an almost imperceptible margin 鈥� four hundredths of a trillionth of a trillionth of a trillionth of a trillionth of a percent, to be exact. The advance 鈥� made to that poster child for hard-to-solve computer science quandaries, the 鈥渢raveling salesman鈥� problem 鈥� was too minuscule to have any immediate practical significance, but it has breathed new life into the search for improved approximate solutions...