Problem	4sum
User	ChickenCoder
Submission Time	2023-08-11 15:51:29
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from 4sum.cpp:1:
4sum.cpp: In function ‘int main()’:
4sum.cpp:40:88: error: ‘f1’ was not declared in this scope; did you mean ‘fi’?
40 | +assert(arr1[se.second.first] + arr2[se.second.second] + arr3[fi.second.first] + arr4[f1.second.second] == 0);
| ^~