Problem	area_noi
User	Midnight
Submission Time	2026-05-10 17:19:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

area_noi.cpp: In function ‘int main()’:
area_noi.cpp:9:2: error: template placeholder type ‘pair<...auto...>’ must be followed by a simple declarator-id
9 | pair arr[n];
| ^~~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
from /usr/include/c++/9/bits/specfun.h:45,
from /usr/include/c++/9/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
from area_noi.cpp:1:
/usr/include/c++/9/bits/stl_pair.h:208:12: note: ‘template<class _T1, class _T2> struct std::pair’ declared here
208 | struct pair
| ^~~~
area_noi.cpp:11:8: error: ‘arr’ was not declared in this scope
11 | cin>>arr[a1].first>>arr[a1].second;
| ^~~
area_noi.cpp:15:15: error: ‘arr’ was not declared in this scope
15 | sizearr[a2]=arr[a1].first*arr[a1].second;
| ^~~
area_noi.c