Record Case Detail

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

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==4318==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffe767915e8 at pc 0x56064d00354d bp 0x7ffe76790c30 sp 0x7ffe76790c20
READ of size 8 at 0x7ffe767915e8 thread T0
    #0 0x56064d00354c in divide (/out/package/lab5+0xa54c)
    #1 0x56064d005c0b in calculate (/out/package/lab5+0xcc0b)
    #2 0x56064d000c32 in main (/out/package/lab5+0x7c32)
    #3 0x7fc31f242c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #4 0x56064d001479 in _start (/out/package/lab5+0x8479)

Address 0x7ffe767915e8 is located in stack of thread T0 at offset 2040 in frame
    #0 0x56064d00594f in calculate (/out/package/lab5+0xc94f)

  This frame has 5 object(s):
    [32, 512) 'help'
    [544, 1024) 'help2'
    [1056, 2016) 'stack'
    [2048, 3008) 'str2' <== Memory access at offset 2040 underflows this variable
    [3040, 4000) 'str3'
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext

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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JOJ Answer