Record Case Detail

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

/in/lab4.c:227:27: runtime error: index -1 out of bounds for type 'double [120]'
=================================================================
==47654==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffc9246b968 at pc 0x55686d1c2b15 bp 0x7ffc9246adf0 sp 0x7ffc9246ade0
READ of size 8 at 0x7ffc9246b968 thread T0
    #0 0x55686d1c2b14 in main (/out/package/lab4+0x13b14)
    #1 0x7f37a8828b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #2 0x55686d1c3e49 in _start (/out/package/lab4+0x14e49)

Address 0x7ffc9246b968 is located in stack of thread T0 at offset 2584 in frame
    #0 0x55686d1bb94f in main (/out/package/lab4+0xc94f)

  This frame has 13 object(s):
    [32, 192) 'varvalue'
    [224, 524) 'vars'
    [576, 1056) 'sign'
    [1088, 1568) 'signal'
    [1600, 2560) 'equation'
    [2592, 3552) 'stack' <== Memory access at offset 2584 underflows this variable
    [3584, 4544) 'RPE'
    [4576, 5536) 'calculate'
    [5568, 5583) 'diaoyong'
    [5632, 5752) 'command'
    [579

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.

Show the results!
a * b = 70.910000, b - c  + a * f = 13932.010000
ans = -7062633.450000

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