Submission #5625811


Source Code Expand

Copy
S = input()

ans = 0
l = 0
r = len(S)-1

while l < r :
    if S[l] == S[r] :
        l += 1
        r -= 1
    elif S[l] == "x" :
        l += 1
        ans += 1
    elif S[r] == "x" :
        r -= 1
        ans += 1
    else :
        ans = -1

print(ans)

Submission Info

Submission Time
Task C - Inserting 'x'
User qqr_i
Language Python3 (3.4.3)
Score 0
Code Size 277 Byte
Status

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
All 0 / 400 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt
Case Name Status Exec Time Memory
0_00.txt 17 ms 2940 KB
0_01.txt
0_02.txt 17 ms 2940 KB
0_03.txt 17 ms 2940 KB
1_00.txt 17 ms 2940 KB
1_01.txt 17 ms 2940 KB
1_02.txt 17 ms 2940 KB
1_03.txt 17 ms 2940 KB
1_04.txt 17 ms 2940 KB
1_05.txt 17 ms 2940 KB
1_06.txt 33 ms 3188 KB
1_07.txt 33 ms 3188 KB
1_08.txt 34 ms 3188 KB
1_09.txt 33 ms 3188 KB
1_10.txt 68 ms 3188 KB
1_11.txt 56 ms 3188 KB
1_12.txt 42 ms 3188 KB
1_13.txt 33 ms 3188 KB
1_14.txt 47 ms 3188 KB
1_15.txt 39 ms 3188 KB
1_16.txt
1_17.txt 47 ms 3188 KB
1_18.txt
1_19.txt 43 ms 3188 KB
1_20.txt
1_21.txt 46 ms 3188 KB
1_22.txt
1_23.txt 45 ms 3188 KB
1_24.txt
1_25.txt 44 ms 3188 KB
1_26.txt
1_27.txt 33 ms 3188 KB
1_28.txt