在刷力扣的题时，经常出现以下错误：
=================================================================
==29==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x603000000034 at pc 0x0000004018e7 bp 0x7fff11ca35c0 sp 0x7fff11ca35b8
READ of size 4 at 0x603000000034 thread T0
#6 0x7fb27b83f2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
0x603000000034 is located 12 bytes to the right of 24-byte region [0x603000000010,0x603000000028)
allocated by thread T0 here:
#0 0x7fb27d0ee2b0 in malloc (/usr/local/lib64/libasan.so.5+0xe82b0)
#3 0x7fb27b83f2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
Shadow bytes around the buggy address:
0x0c067fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c067fff8000: fa fa 00 00 00 fa[fa]fa fa fa fa fa fa fa fa fa
0x0c067fff8010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==29==ABORTING
去网上找了说是数组的下标访问错误，但是在电脑上的codeblock上编译是没有报错的，也可以得到想要的结果，请问这是问什么呢？
在力扣上你的数组下标越界了
把循环范围检查一下
力扣中返回字符数组时，返回的数组没有结束标志 '\0' 。