s=input()
n=len(s)
ans=0
for i in range(n//2):
ans+=i
if(n%2==1):
ans+=(n//2)*(0.5)
print(ans)
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
2772 KB |
Output is correct |
2 |
Incorrect |
15 ms |
2736 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
19 ms |
2768 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
19 ms |
2768 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
2772 KB |
Output is correct |
2 |
Incorrect |
15 ms |
2736 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |