tabletennis.cpp:9:19: error: 'long long int index' redeclared as different kind of entity
9 | int n,k,a[150005],index;
| ^~~~~
In file included from /usr/include/string.h:432,
from /usr/include/c++/10/cstring:42,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:48,
from tabletennis.cpp:1:
/usr/include/strings.h:61:1: note: previous declaration 'const char* index(const char*, int)'
61 | index (const char *__s, int __c) __THROW
| ^~~~~
tabletennis.cpp: In function 'bool check(long long int, long long int, long long int)':
tabletennis.cpp:20:10: error: overloaded function with no contextual type information
20 | index=l;
| ^
tabletennis.cpp:24:10: error: overloaded function with no contextual type information
24 | index=r;
| ^
tabletennis.cpp: In function 'int32_t main()':
tabletennis.cpp:37:16: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<'
37 | for(int i=1;i<index;i++)cout<<i<<" ";
| ~^~~~~~
tabletennis.cpp:38:18: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator+'
38 | for(int i=index+1;i<=n;i++)cout<<i<<" ";
| ~~~~~^~