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CPCRC1C - Sum of Digits |
Majid is a 3rd-grade elementary student and quite well in mathematics. Once, Majid's teacher asked him to calculate the sum of numbers 1 through n.
Majid quickly answered, and his teacher made him another challenge. He asked Majid to calculate the sum of the digits of numbers 1 through n.
Majid did finally find the solution. Now it is your turn, can you find a solution?
Input
Two space-separated integers 0 <= a <= b <= 109.
Program terminates if a and b are -1.
Output
The sum of the digits of numbers a through b.
Example
Input:
1 10
100 777
-1 -1
Output:
46
8655
| Added by: | Tii |
| Date: | 2010-10-25 |
| Time limit: | 1s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All except: ASM64 |
| Resource: | http://cs.ikiu.ac.ir/cms/icpc/training/7-contest/86-contest1 |
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2024-03-21 06:00:52
[input] 1 10 100 110 100 777 0 1000000000 0 21632 1 21632 4 21634 1 22 21217 888444 2682 9836381 -1 -1 [output] 46 57 8655 40500000001 394674 394674 394699 109 23051172 308272422 |
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2022-09-21 10:01:59
how to make our program terminate if we encounter -1,-1 |
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2022-08-21 09:42:16
AC!! First digit dp problem :) |
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2022-07-03 12:56:15
Hello word in DigitDP |
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2022-03-17 18:41:57
Here i have done my first digit dp problem |
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2022-03-06 19:37:35
AC after WA. Used INT instead of LONG LONG mistakenly. Last edit: 2022-03-06 20:19:59 |
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2021-07-06 11:36:33
Nice question Last edit: 2021-07-06 16:23:34 |
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2021-04-26 19:01:43
Standard digit DP Problem. Last edit: 2021-04-26 19:03:30 |
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2021-04-10 09:44:35
hello |
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2021-01-04 13:27:02
Please fill your dp with -1 two times.. I literally wasted my 4 hours because of that :( |
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