1395. Rounders

水题一枚

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1 #include <iostream>

 2 #include <string.h>
 3 #include <math.h>
 4 using namespace std;
 5 int main()
 6 {
 7         int n;
 8         cin>>n;
 9         char tem[10];
10         while(n--)
11         {
12                 cin>>tem;
13                 int len=strlen(tem);
14         //     int get=0;
15                 if(len>1)
16                 {
17                         
18                         for(int i=len-1;i>0;i--)
19                         {
20                                 if(tem[i]>'4')
21                                 {
22                                         tem[i-1]++;
23                                         tem[i]='0';
24                                 }
25                                 if(tem[i]<='4')
26                                 {
27                                         tem[i]='0';
28                                 }
29                                 
30                         }
31                 }
32                 int get=0;
33                 if(tem[0]>'9')
34                 {
35                         tem[0]-=10;
36                         get=1;
37                 }
38                 if(get==1)
39                         cout<<1;
40                 cout<<tem<<endl;
41         }
42 }