Problem	4sum
User	DoubleShaurya
Submission Time	2024-02-27 20:36:37
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

4sum.cpp: In function ‘int main()’:
4sum.cpp:54:25: error: invalid initialization of reference of type ‘std::vector<std::vector<int> >&’ from expression of type ‘std::vector<std::vector<long long int> >’
54 | cout << findSumToZero(v);
| ^
4sum.cpp:7:43: note: in passing argument 1 of ‘std::string findSumToZero(std::vector<std::vector<int> >&)’
7 | string findSumToZero(vector<vector<int>>& sets) {
| ~~~~~~~~~~~~~~~~~~~~~^~~~