我是超级大神蒟蒻，求救（满江红）
《超级宇宙无敌的暴力算法》

#include <bits/stdc++.h>
using namespace std;
unsigned long long total, temp, n, f, l, r, k;

int main() {
	cin >> n >> f;
	unsigned long long a[n + 10];
	for (unsigned long long i = 1; i <= n; i++) {
		cin >> temp;
		a[i] = temp;
	}
	temp = 0;
	while (f--) {
		cin >> total;
		switch (total) {
			case 1:
				cin >> l >> r >> k;
				for (unsigned long long i = l; i <= r; i++)
					a[i] += k;
				break;
			case 2:
				cin >> k;
				a[1] += k;
				break;
			case 3:
				cin >> k;
				a[1] -= k;
				break;
			case 4:
				cin >> l >> r;
				for (unsigned long long i = l; i <= r; i++)
					temp += a[i];
				cout << temp << '\n';
				temp = 0;
				break;
			case 5:
				cout << a[1] << '\n';
				break;
		}
	}
	return 0;
}

《强迫症福音》（划掉）结果