Record Case Detail

This function is in beta test. Please help improve it in the issues here.

/in/lab5.c:260:12: runtime error: index -1 out of bounds for type 'char [120]'
=================================================================
==518==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffc95c330af at pc 0x55803b416550 bp 0x7ffc95c324d0 sp 0x7ffc95c324c0
READ of size 1 at 0x7ffc95c330af thread T0
    #0 0x55803b41654f in main (/out/package/lab5+0xe54f)
    #1 0x7fded814fc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #2 0x55803b418039 in _start (/out/package/lab5+0x10039)

Address 0x7ffc95c330af is located in stack of thread T0 at offset 2719 in frame
    #0 0x55803b41111f in main (/out/package/lab5+0x911f)

  This frame has 14 object(s):
    [32, 36) 'top1'
    [96, 100) 'top2'
    [160, 168) 'end'
    [224, 704) 'helper'
    [736, 1696) 'result'
    [1728, 2688) 'calcStack'
    [2720, 5120) 'data' <== Memory access at offset 2719 underflows this variable
    [5152, 7712) 'var'
    [7744, 7764) 'var_name'
    [7808, 7928) 'stack'
    [7968, 8088) 'output'

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

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