zoukankan      html  css  js  c++  java
  • Codeforces 892 A.Greed

    A. Greed
    time limit per test
    2 seconds
    memory limit per test
    256 megabytes
    input
    standard input
    output
    standard output

    Jafar has n cans of cola. Each can is described by two integers: remaining volume of cola ai and can's capacity bi (ai  ≤  bi).

    Jafar has decided to pour all remaining cola into just 2 cans, determine if he can do this or not!

    Input

    The first line of the input contains one integer n (2 ≤ n ≤ 100 000) — number of cola cans.

    The second line contains n space-separated integers a1, a2, ..., an (0 ≤ ai ≤ 109) — volume of remaining cola in cans.

    The third line contains n space-separated integers that b1, b2, ..., bn (ai ≤ bi ≤ 109) — capacities of the cans.

    Output

    Print "YES" (without quotes) if it is possible to pour all remaining cola in 2 cans. Otherwise print "NO" (without quotes).

    You can print each letter in any case (upper or lower).

    Examples
    input
    2
    3 5
    3 6
    output
    YES
    input
    3
    6 8 9
    6 10 12
    output
    NO
    input
    5
    0 0 5 0 0
    1 1 8 10 5
    output
    YES
    input
    4
    4 1 0 3
    5 2 2 3
    output
    YES
    Note

    In the first sample, there are already 2 cans, so the answer is "YES".

     分析:签到题,排个序看容量最大的杯子能否装下.

     

    #include <cstdio>
    #include <cmath>
    #include <queue>
    #include <cstring>
    #include <iostream>
    #include <algorithm>
    
    using namespace std;
    
    long long n, a[100010], b[100010], sum;
    
    int main()
    {
        cin >> n;
        for (int i = 1; i <= n; i++)
        {
            long long t;
            cin >> t;
            sum += t;
        }
        for (int i = 1; i <= n; i++)
            cin >> b[i];
        sort(b + 1, b + 1 + n);
        if (sum <= b[n] + b[n - 1])
            puts("YES");
        else
            puts("NO");
    
        return 0;
    }
  • 相关阅读:
    Linux Netcat命令
    clang-format
    keytool
    ip
    Linux iptables
    Linux yum源完全配置
    Makefile
    CMake
    HSTS
    开源镜像
  • 原文地址:https://www.cnblogs.com/zbtrs/p/7858282.html
Copyright © 2011-2022 走看看