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.ccls-cache/@root@gpt-vue/.ccls-cache@@root@gpt-vue@ddd.cpp

+#include<bits/stdc++.h>
+using namespace std;
+#define maxk_of_vector 1000000000
+#define my (*this)
+class big {
+		std::deque<unsigned long long>v;
+		/*00 00 22 55*/
+		/* 表示 2255*/
+		inline void ZERO_CLEAR__alg(deque<unsigned long long>v = v) {
+			/*去0*/
+			while (!v[0])v.pop_front();
+		}
+		inline void ZERO_ON_INT__alg(unsigned x, deque<unsigned long long>v = v) {
+			/*加0*/
+			while (v.size() < x)v.push_front(0);
+		}
+		inline void REMOVE_ARR__alg(deque<unsigned long long>v = v) {
+			/*反转*/
+			stack<int>x;
+			while (v.size())x.push(v.front());
+			while (x.size()) {
+				v.push_front(x.top());
+				x.pop();
+			}
+		}
+		inline void EQAUL_STRING__alg(string x) {
+			v.clear();
+			stack<char>c;
+			while (x.size()) {
+				c.push(x.back() ^ 48);
+				x.pop_back();
+			}
+			unsigned long long d = 0;
+			while (c.size()) {
+				if (d * 10 >= maxk_of_vector)v.push_back(d), d = 0;
+				d = d << 3 + d << 1 + c.top();
+			}
+		}
+		deque<unsigned long long> mul(deque<unsigned long long> &a, deque<unsigned long long> &b) {
+			deque<unsigned long long> ans(a.size() + b.size() + 1, 0); // 初始化结果数组
+			REMOVE_ARR__alg(a);
+			REMOVE_ARR__alg(b);
+			// 标准竖式乘法
+			for (int i = 0; i < a.size(); i++) {
+				unsigned long long carry = 0;
+				for (int j = 0; j < b.size(); j++) {
+					unsigned long long tmp = a[i]   b[j]   carry;
+					ans[i + j] += tmp;
+					carry = ans[i + j] / maxk_of_vector;
+					ans[i + j] %= maxk_of_vector;
+				}
+				if (carry) ans[i + b.size()] += carry;
+			}
+			REMOVE_ARR__alg(ans);
+			ZERO_CLEAR__alg(ans);
+			return ans;
+		}
+
+	public :
+		big(std::string x) {
+			EQAUL_STRING__alg(x);
+		}
+		big(unsigned long long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(long long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(unsigned long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(short x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(unsigned short x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(char x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(unsigned char x) {
+			v.clear();
+			v.push_back(x);
+		}
+		big(big x) {
+			v = x.v;
+		}
+		~big() {
+			v.clear();
+		}
+		inline void operator = (unsigned long long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (long long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (unsigned long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (long x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (unsigned short x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (short x) {
+			v.clear();
+			v.push_back(x);
+		}
+		inline void operator = (big x) {
+			v = x.v;
+		}
+		inline void operator >>=(unsigned long long wei);
+		inline void operator <<=(unsigned long long wei);
+		inline big operator >>(unsigned long long wei);
+		inline big operator <<(unsigned long long wei);
+		inline big operator +(big x);
+		inline big operator -(big x);
+		inline big operator *(big x);
+		inline big operator /(big x);
+		inline big operator %(big x);
+		inline void operator +=(big x);
+		inline void operator -=(big x);
+		inline void operator *=(big x);
+		inline void operator /=(big x);
+		inline void operator %=(big x);
+		inline bool operator ==(big x) {
+			auto i = v.begin();
+			auto j = x.v.begin();
+			if (x.v.size() == v.size())while (i != v.end()) {
+					if (*i ^ *j)return false;
+					++i;
+					++j;
+				} else return false;
+			return true;
+		}
+		inline bool operator >=(big x) {
+			auto i = v.begin();
+			auto j = x.v.begin();
+			if (x.v.size() == v.size())while (i != v.end()) {
+					if (*i < *j)return false;
+					++i;
+					++j;
+				} else return v.size() >= x.v.size();
+			return true;
+
+		}
+		inline bool operator <=(big x) {
+			return !(my == x || my < x);
+		}
+		inline bool operator !=(big x) {
+			return !(my == x);
+		}
+		inline bool operator >(big x) {
+			return !(my <= x);
+		}
+		inline bool operator <(big x) {
+			return !(my >= x);
+		}
+};
+/*高精度*/
\ No newline at end of file