hdu 1224 Free DIY Tour(dp)

來源:互聯網
上載者:User

標籤:blog   http   2014   os   代碼   for   

題目:

        連結:點擊開啟連結

題意:

        

思路:

代碼:

#include <iostream>#include <cstdio>#include <cstring>using namespace std;int map[110][110];int dp[110],next[110],ins[110];int t,n,m;void output(int x){    if(x == -1)        return ;    output(next[x]);    printf("%d->",x);}void ddpp(){    for(int i=1; i<=n+1; i++)    {        for(int j=1; j<i; j++)        {            if(map[j][i] != -1 && dp[j] + map[j][i] > dp[i])            {                dp[i] = dp[j] + map[j][i];                next[i] = j;            }        }    }}int main(){    //freopen("input.txt","r",stdin);    int a,b;    int kase = 1;    cin>>t;    while(t--)    {        scanf("%d",&n);        memset(map,-1,sizeof(map));        memset(dp,0,sizeof(dp));        for(int i=1; i<=n; i++)        {            scanf("%d",&ins[i]);        }        ins[n+1] = 0;        scanf("%d",&m);        for(int i=1; i<=m; i++)        {            scanf("%d%d",&a,&b);            map[a][b] = ins[b];        }        next[1] = -1;        ddpp();        if(kase > 1)            printf("\n");        printf("CASE %d#\n",kase++);        printf("points : %d\n",dp[n+1]);        printf("circuit : ");        output(next[n+1]);        printf("1\n");    }    return 0;}

-----------------------------------------------------------------

收穫:

-----------------------------------------------------------------

戰鬥,從不退縮;奮鬥,永不停歇~~~~~~~~~~

相關文章

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.