Record Case Detail

Notes

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

Stderr

/in/lab5.c:149:30: runtime error: index -1 out of bounds for type 'char [1000]'
=================================================================
==621==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffc11df242f at pc 0x5558be517283 bp 0x7ffc11dea3e0 sp 0x7ffc11dea3d0
READ of size 1 at 0x7ffc11df242f thread T0
    #0 0x5558be517282 in main (/out/package/lab5+0xf282)
    #1 0x7f9f34b76c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #2 0x5558be51aa39 in _start (/out/package/lab5+0x12a39)

Address 0x7ffc11df242f is located in stack of thread T0 at offset 32511 in frame
    #0 0x5558be5135af in main (/out/package/lab5+0xb5af)

  This frame has 9 object(s):
    [32, 512) 'helper'
    [544, 1504) 'd_RPEstack'
    [1536, 2816) 'lins'
    [2848, 14848) 'data'
    [14880, 31264) 'load'
    [31296, 31416) 'left'
    [31456, 32456) 'line'
    [32512, 33512) 'signstack' <== Memory access at offset 32511 underflows this variable
    [33568, 35068) 'RPEstack'
HINT: this may be a false p

Hints

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.

Your Answer


        

JOJ Answer

2.000000
0.000250
-0.250000
0.888889
-3.777800
777.375000
64.000000
4.160000
2.550000
128.000000