Submission #5625779


Source Code Expand

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S = input()

ans = 0

while S :
    if S[0] == S[-1] :
        S = S[1:-1]
    elif S[0] == "x" :
        S += "x"
        ans += 1
    elif S[-1] == "x" :
        S = "x" + S
        ans += 1
    else :
        ans = -1

print(ans)

Submission Info

Submission Time
Task C - Inserting 'x'
User qqr_i
Language PyPy3 (2.4.0)
Score 0
Code Size 250 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 167 ms 38256 KB
0_01.txt
0_02.txt 170 ms 38256 KB
0_03.txt 170 ms 38256 KB
1_00.txt 168 ms 38256 KB
1_01.txt 168 ms 38256 KB
1_02.txt 171 ms 38256 KB
1_03.txt 168 ms 38256 KB
1_04.txt 168 ms 38256 KB
1_05.txt 167 ms 38256 KB
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