Submission #1540304
Source Code Expand
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 gosa = 1.0 / 10**10 mod = 10**9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): s = S() l = len(s) c = collections.Counter(s) r = l*(l-1) // 2 + 1 for v in c.values(): r -= v*(v-1) // 2 return r print(main())
Submission Info
Submission Time | |
---|---|
Task | B - Reverse and Compare |
User | iehn |
Language | Python (3.4.3) |
Score | 500 |
Code Size | 743 Byte |
Status | AC |
Exec Time | 222 ms |
Memory | 7752 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 222 ms | 7752 KB |
sample_02.txt | AC | 40 ms | 5332 KB |
sample_03.txt | AC | 41 ms | 5332 KB |
subtask_1_01.txt | AC | 41 ms | 5328 KB |
subtask_1_02.txt | AC | 49 ms | 5840 KB |
subtask_1_03.txt | AC | 41 ms | 5332 KB |
subtask_1_04.txt | AC | 41 ms | 5332 KB |
subtask_1_05.txt | AC | 41 ms | 5328 KB |
subtask_1_06.txt | AC | 41 ms | 5332 KB |
subtask_1_07.txt | AC | 41 ms | 5456 KB |
subtask_1_08.txt | AC | 50 ms | 5716 KB |
subtask_1_09.txt | AC | 51 ms | 5844 KB |
subtask_1_10.txt | AC | 50 ms | 5720 KB |
subtask_1_11.txt | AC | 51 ms | 5840 KB |
subtask_1_12.txt | AC | 50 ms | 5840 KB |
subtask_1_13.txt | AC | 51 ms | 5716 KB |
subtask_1_14.txt | AC | 50 ms | 5844 KB |
subtask_1_15.txt | AC | 51 ms | 5844 KB |
subtask_1_16.txt | AC | 50 ms | 5840 KB |
subtask_1_17.txt | AC | 51 ms | 5844 KB |