当前你的浏览器版本过低,网站已在兼容模式下运行,兼容模式仅提供最小功能支持,网站样式可能显示不正常。
请尽快升级浏览器以体验网站在线编辑、在线运行等功能。
3 1 50 500
0 1 15
From 1 to 500, the numbers that include the sub-sequence "49" are "49","149","249","349","449","490","491","492","493","494","495","496","497","498","499", so the answer is 15.
Author | fatboy_cw@WHU |
Recommend | zhouzeyong |
时间上限 | 内存上限 |
2000/1000MS(Java/Others) | 131072/65536K(Java/Others) |