zoukankan      html  css  js  c++  java
  • (寒假CF)快

    题意:给出一组数字,得到区间[1,a1],[a1+1,a1+a2],[a1+a2+1,a1+a2+a3].....

    再给出一组数字,求这些数字属于第几个区间

    注意:记得数组开大,容易超时

    Description
    It is lunch time for Mole. His friend, Marmot, prepared him a nice game for lunch.

    Marmot brought Mole n ordered piles of worms such that i-th pile contains ai worms. He labeled all these worms with consecutive integers: worms in first pile are labeled with numbers 1 to a1, worms in second pile are labeled with numbers a1 + 1 to a1 + a2 and so on. See the example for a better understanding.

    Mole can't eat all the worms (Marmot brought a lot) and, as we all know, Mole is blind, so Marmot tells him the labels of the best juicy worms. Marmot will only give Mole a worm if Mole says correctly in which pile this worm is contained.

    Poor Mole asks for your help. For all juicy worms said by Marmot, tell Mole the correct answers.

    Input
    The first line contains a single integer n (1 ≤ n ≤ 105), the number of piles.

    The second line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 103, a1 + a2 + ... + an ≤ 106), where ai is the number of worms in the i-th pile.

    The third line contains single integer m (1 ≤ m ≤ 105), the number of juicy worms said by Marmot.

    The fourth line contains m integers q1, q2, ..., qm (1 ≤ qi ≤ a1 + a2 + ... + an), the labels of the juicy worms.

    Output
    Print m lines to the standard output. The i-th line should contain an integer, representing the number of the pile where the worm labeled with the number qi is.

    Sample Input
    Input
    5
    2 7 3 4 9
    3
    1 25 11
    Output
    1
    5
    3
    Hint
    For the sample input:

    The worms with labels from [1, 2] are in the first pile.
    The worms with labels from [3, 9] are in the second pile.
    The worms with labels from [10, 12] are in the third pile.
    The worms with labels from [13, 16] are in the fourth pile.
    The worms with labels from [17, 25] are in the fifth pile.

    #include<stdio.h>
    #include<string.h>
    int a[1000001];
    int main()
    {
        int n,m,i,k,l;
        while(~scanf("%d",&n))
        {
            int ans=1;
            for(i=1;i<=n;i++)
            {
                scanf("%d",&k);
                while(k--)
                a[ans++]=i;
            }
            scanf("%d",&m);
            for(i=1;i<=m;i++)
            {
                scanf("%d",&l);
                printf("%d
    ",a[l]);
            }
        }
        return 0;
    }
  • 相关阅读:
    前端性能优化
    技术从业者的未来(二)
    微服务架构
    SpringCloud 微服务最佳开发实践
    架构师之路
    SpringBoot开发秘籍
    架构设计方法论
    消息架构的设计难题以及应对之道
    SpringCloud 中如何防止绕过网关请求后端服务?
    微服务架构授权是在网关做还是在微服务做?
  • 原文地址:https://www.cnblogs.com/awsent/p/4288820.html
Copyright © 2011-2022 走看看