In the latest contest, i got trouble in problem H.
When i want to compare x is lager than y, i use x>y+eps (i learn this from a book), but i get WRONG ANWSER , but when i just use x>y ,then i accept .
I just wonder which one is true. Thx first.
# | User | Rating |
---|---|---|
1 | jiangly | 3640 |
2 | Benq | 3593 |
3 | tourist | 3572 |
4 | orzdevinwang | 3561 |
5 | cnnfls_csy | 3539 |
6 | ecnerwala | 3534 |
7 | Radewoosh | 3532 |
8 | gyh20 | 3447 |
9 | Rebelz | 3409 |
10 | Geothermal | 3408 |
# | User | Contrib. |
---|---|---|
1 | maomao90 | 173 |
2 | adamant | 164 |
3 | awoo | 161 |
4 | TheScrasse | 160 |
5 | nor | 159 |
6 | maroonrk | 156 |
7 | SecondThread | 152 |
8 | pajenegod | 146 |
9 | BledDest | 144 |
10 | Um_nik | 143 |
In the latest contest, i got trouble in problem H.
When i want to compare x is lager than y, i use x>y+eps (i learn this from a book), but i get WRONG ANWSER , but when i just use x>y ,then i accept .
I just wonder which one is true. Thx first.
I search it in google , but i can't find it. Can somebody tell me how to use lower_bound in set<pair<int,int>> , so i can find the fist pair whose first element is not small than the element i search for ?
Name |
---|