http://poj.org/problem?id=3468 题目大意: 给你N个数还有Q组操作(1 ≤ N,Q ≤ 100000) 操作分为两种,Q A B 表示输出[A,B]的和 C A B X表示把[A,B]的所有数加上X 思路: 线段树的区间修改..... 昨天晚上改了老半天. 然后关机准备睡觉毕竟今天有实验..去洗个头..突然有灵感..急急忙忙的开电脑改了就对了~哈哈哈 PS:POJ AC 100了~ 因为混迹各个OJ,SO才100 用位运算优化*2 1600+MS,不用2200…
A Simple Problem with Integers Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://poj.org/problem?id=3468 Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given nu…
A Simple Problem with Integers Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://poj.org/problem?id=3468 Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given nu…
A Simple Problem with Integers Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum o…
A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 75541 Accepted: 23286 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of…
id=3468">点击打开链接题目链接 A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 63565 Accepted: 19546 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of…
A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 67511 Accepted: 20818 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of…
Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum of numbers in a given interval. 题意…
#include <iostream> #include <stdio.h> #include <string.h> #define lson rt<<1,L,mid #define rson rt<<1|1,mid+1,R using namespace std; ; int n,q; long long num[maxn]; struct Node{ long long sum,add; bool lazy; }tree[maxn<&l…
