#include <bits/stdc++.h>
using namespace std;

int main(){
	vector<int> a{0, 1, 2, 3, 4, 5};
	vector<long long> pref{0};
	inclusive_scan(a.begin(), a.end(), back_inserter(pref), plus<>(), 0LL);
	return 0;
}

#include <bits/stdc++.h>
using namespace std;

int main(){
	vector<int> a{0, 1, 2, 3, 4, 5};
	vector<long long> pref{0};
	exclusive_scan(a.begin(), a.end(), back_inserter(pref), 0LL, plus<>());
	return 0;
}