Record Case Detail

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==123097==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffdd4c9cf58 at pc 0x00000051b602 bp 0x7ffdd4c447b0 sp 0x7ffdd4c447a8
WRITE of size 8 at 0x7ffdd4c9cf58 thread T0
    #0 0x51b601  (/out/package/call_mem+0x51b601)
    #1 0x7f0546bd8c86  (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #2 0x41d509  (/out/package/call_mem+0x41d509)

Address 0x7ffdd4c9cf58 is located in stack of thread T0 at offset 362168 in frame
    #0 0x519d6f  (/out/package/call_mem+0x519d6f)

  This frame has 6 object(s):
    [32, 36) 'n' (line 11)
    [48, 64) 'l' (line 12)
    [80, 96) 'r' (line 12)
    [112, 289552) 'a' (line 13)
    [289808, 362168) 'in' (line 13) <== Memory access at offset 362168 overflows this variable
    [362432, 362504) 'tmp' (line 21)
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-ove

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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