memory.cpp: In function 'void play()':
memory.cpp:24:16: error: too many arguments to function 'int getchar()'
a=getchar(i);
^
In file included from /usr/include/stdio.h:933:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from memory.cpp:3:
/usr/include/x86_64-linux-gnu/bits/stdio.h:44:1: note: declared here
getchar (void)
^~~~~~~
memory.cpp:29:22: error: too many arguments to function 'int getchar()'
getchar(arr[i][0]);
^
In file included from /usr/include/stdio.h:933:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from memory.cpp:3:
/usr/include/x86_64-linux-gnu/bits/stdio.h:44:1: note: declared here
getchar (void)
^~~~~~~
memory.cpp:30:22: error: too many arguments to function 'int getchar()'
getchar(arr[i][1]);
^
In file included from /usr/include/stdio.h:933:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from memory.cpp:3:
/usr/include/x86_64-linux-gnu/bits/stdio.h:44:1: note: declared here
getchar (void)
^~~~~~~