Submission #1541239

Source Code Expand

a,alpha=list(input()),list("abcdefghijklmnopqrstuvwxyz")
cnt,n=[sum(map(lambda x:x==i,a)) for i in alpha],len(a)
print(n*(n-1)//2-sum(map(lambda x:x*(x-1)//2,cnt))+1)

Submission Info

Submission Time
Task B - Reverse and Compare
User fts2001
Language PyPy3 (2.4.0)
Score 500
Code Size 168 Byte
Status AC
Exec Time 245 ms
Memory 62192 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 23
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 160 ms 38384 KB
sample_02.txt AC 158 ms 38256 KB
sample_03.txt AC 159 ms 38256 KB
subtask_1_01.txt AC 157 ms 38256 KB
subtask_1_02.txt AC 220 ms 62192 KB
subtask_1_03.txt AC 159 ms 38256 KB
subtask_1_04.txt AC 159 ms 38256 KB
subtask_1_05.txt AC 164 ms 38640 KB
subtask_1_06.txt AC 165 ms 39024 KB
subtask_1_07.txt AC 170 ms 39792 KB
subtask_1_08.txt AC 245 ms 61680 KB
subtask_1_09.txt AC 223 ms 61680 KB
subtask_1_10.txt AC 225 ms 61680 KB
subtask_1_11.txt AC 223 ms 61680 KB
subtask_1_12.txt AC 222 ms 61680 KB
subtask_1_13.txt AC 223 ms 61680 KB
subtask_1_14.txt AC 226 ms 61680 KB
subtask_1_15.txt AC 217 ms 61680 KB
subtask_1_16.txt AC 217 ms 61680 KB
subtask_1_17.txt AC 217 ms 61680 KB