foo.cc: In function 'int main()':
foo.cc:5:10: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(ch1);gets(ch2);
^
In file included from /usr/include/stdio.h:862:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
gets (char *__str)
^~~~
foo.cc:5:20: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(ch1);gets(ch2);
^
In file included from /usr/include/stdio.h:862:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
gets (char *__str)
^~~~
foo.cc:6:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<strlen(ch1);i++){
~^~~~~~~~~~~~
foo.cc:9:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<strlen(ch2);i++){
~^~~~~~~~~~~~
foo.cc:5:6: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
gets(ch1);gets(ch2);
~~~~^~~~~
foo.cc:5:16: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
gets(ch1);gets(ch2);
~~~~^~~~~
/tmp/ccUZ6WAv.o: In function `main':
foo.cc:(.text.startup+0x11): warning: the `gets' function is dangerous and should not be used.
正在同步测试数据,请稍后
[Hydro](https://hydro.ac)提供评测服务