hdu 1058

通过此题有两个收获:

 第一-----------------序数词的正确拼写。

 第二----------------学会了map的基本使用方法。                                    

---------------------------------------------------------------------------------------------------------------KeeP MoVing .............

 1 #include<stdio.h>
 2 
 3 #include<string.h>
 4 #include<queue>
 5 #include<map>
 6 #include<algorithm>
 7 using namespace std;
 8 #define max 5842+10
 9 
10 int h[max]={0,1};
11 int a[]={2,3,5,7};
12 typedef long long LL;
13 
14 void init(){
15     priority_queue<LL,vector<LL>,greater<LL> > q;
16     map<LL,bool> vis;
17     for(int i=0;i<4;i++){
18         q.push(a[i]);
19     }
20     int cnt=2;
21     while(cnt<=5842){
22         LL now=q.top(); q.pop();
23         h[cnt++]=now;
24         for(int i=0;i<4;i++){
25             LL temp=now*a[i];
26             if(!vis[temp]){
27                 vis[temp]=true;
28                 q.push(temp);
29             }
30         }
31     }
32 }
33 
34 int main(){
35     init();
36     int n;
37     while(~scanf("%d",&n),n){
38             if(n%10==1&&n%100!=11){
39               printf("The %dst humble number is %d.",n,h[n]);
40             }
41             else if(n%10==2&&n%100!=12){
42               printf("The %dnd humble number is %d.",n,h[n]);
43             }
44             else if(n%10==3&&n%100!=13){
45               printf("The %drd humble number is %d.",n,h[n]);
46             }
47             else{
48               printf("The %dth humble number is %d.",n,h[n]);
49             }
50         puts("");
51     }
52 }
原文地址:https://www.cnblogs.com/Stomach-ache/p/3703215.html