• hdu 5090 数列贪心加成1~n


    http://acm.hdu.edu.cn/showproblem.php?pid=5090

    给一段长度为n数列,问能否给任意个数加上k的倍数,使得加完之后恰好只有1~n


    贪心,先排序,依次加出1~n,每次看能否从给定数列中找到一个未被标记的数使得其能加到当前的i,能则标记,最后能完成即输出Jerry

    #include <cstdio>
    #include <cstdlib>
    #include <cmath>
    #include <cstring>
    #include <string>
    #include <queue>
    #include <map>
    #include <iostream>
    #include <algorithm>
    using namespace std;
    #define RD(x) scanf("%d",&x)
    #define RD2(x,y) scanf("%d%d",&x,&y)
    #define RD3(x,y,z) scanf("%d%d%d",&x,&y,&z)
    #define clr0(x) memset(x,0,sizeof(x))
    #define clr1(x) memset(x,-1,sizeof(x))
    #define eps 1e-9
    const double pi = acos(-1.0);
    typedef long long LL;
    typedef unsigned long long ULL;
    const int modo = 1e9 + 7;
    const int INF = 0x3f3f3f3f;
    const int inf = 0x3fffffff;
    const LL _inf = 1e18;
    const int maxn = 105,maxm = 10005;
    int p[maxn],n,k;
    bool vis[maxn];
    void work()
    {
        clr0(vis);
        RD2(n,k);
        for(int i = 1;i <= n;++i)
            RD(p[i]);
        sort(p+1,p+n+1);
        for(int i = 1;i <= n;++i){
            bool flag = false;
            for(int j = 1;j <= n && p[j] <= i;++j){
                if(!vis[j] && i - p[j] >= 0 && (i - p[j]) % k == 0){
                    flag = true;
                    vis[j] = true;
                    break;
                }
            }
            if(!flag){
                puts("Tom");
                return ;
            }
        }
        puts("Jerry");
        return;
    }
    int main()
    {
        int _;RD(_);
        while(_--){
            work();
        }
        return 0;
    }


  • 相关阅读:
    Codeforces_739_B
    Codeforces_732_D
    D
    C
    E
    商汤AI园区的n个路口(中等)
    D. The Fair Nut and the Best Path
    HDU6446
    分解质因数(线性筛)
    D. Extra Element
  • 原文地址:https://www.cnblogs.com/zibaohun/p/4074372.html
Copyright © 2020-2023  润新知