暑假训练-个人赛第五场
|
ID
|
Origin
|
Title
|
||
|---|---|---|---|---|
| 0 / 23 | Problem A | SGU 453 | Meetings | |
| Problem B | SGU 454 | Kakuro | ||
| 10 / 58 | Problem C | SGU 455 | Sequence analysis | |
| 14 / 52 | Problem D | SGU 456 | Annuity Payment Scheme | |
| Problem E | SGU 457 | Snow in Berland | ||
| 0 / 1 | Problem F | SGU 458 | The Monochrome Picture | |
| Problem G | SGU 459 | Choreographer Problem | ||
| 20 / 46 | Problem H | SGU 460 | Plural Form of Nouns | |
| 3 / 4 | Problem I | SGU 461 | Wiki Lists | |
| 1 / 8 | Problem J | SGU 462 | Electrician | |
| 14 / 38 | Problem K | SGU 463 | Walking around Berhattan |
这场难度适中吧，C题有点傻，比赛的时候没做出来。
A
a, b 两人相距L，a速度为v1, b速度为v2，相向而行，到达端点时返回，问在t时间内相遇多少次。
B