topovi.cpp: In function 'int main()':
topovi.cpp:67:6: error: no match for 'operator[]' (operand types are 'std::map<std::pair<long long int, long long int>, long long int>' and 'll' {aka 'long long int'})
67 | val[r][c] = x;
| ^
In file included from /usr/include/c++/10/map:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:81,
from topovi.cpp:1:
/usr/include/c++/10/bits/stl_map.h:492:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<long long int, long long int>; _Tp = long long int; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = long long int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<long long int, long long int>]'
492 | operator[](const key_type& __k)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_map.h:492:34: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'const key_type&' {aka 'const std::pair<long long int, long long int>&'}
492 | operator[](const key_type& __k)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_map.h:512:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<long long int, long long int>; _Tp = long long int; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = long long int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<long long int, long long int>]'
512 | operator[](key_type&& __k)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_map.h:512:29: note: no known conversion for argument 1 from 'll' {aka 'long long int'} to 'std::map<std::pair<long long int, long long int>, long long int>::key_type&&' {aka 'std::pair<long long int, long long int>&&'}
512 | operator[](key_type&& __k)
| ~~~~~~~~~~~^~~
topovi.cpp:14:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
topovi.cpp:61:2: note: in expansion of macro 'input3'
61 | input3(n, k, p);
| ^~~~~~
topovi.cpp:14:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
topovi.cpp:65:3: note: in expansion of macro 'input3'
65 | input3(r, c, x);
| ^~~~~~
topovi.cpp:15:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
topovi.cpp:74:3: note: in expansion of macro 'input4'
74 | input4(r, c, r2, c2);
| ^~~~~~