Created
October 22, 2012 16:23
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ข้อ7 สอวนค่าย 1 หา Palindome ที่ใกล้ที่สุด
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| #include<stdio.h> | |
| int chk(int in) | |
| { | |
| int u[100],ct=0,i; | |
| if(in<0) | |
| return 0; | |
| while(in>=1) | |
| { | |
| u[ct++]=in%10; | |
| in/=10; | |
| } | |
| for(i=0; i<ct; i++) | |
| { | |
| if(u[i]!=u[ct-i-1]) | |
| return 0; | |
| } | |
| return 1; | |
| } | |
| int findnear(int in) | |
| { | |
| int ct_r=in,ct_l=in; | |
| if(chk(in)) | |
| { | |
| printf("Yes"); | |
| return 0; | |
| } | |
| while(1) | |
| { | |
| if(chk(ct_r)) | |
| break; | |
| ct_r++; | |
| } | |
| while(1) | |
| { | |
| if(chk(ct_l)) | |
| break; | |
| ct_l--; | |
| } | |
| if(in-ct_l<ct_r-in) | |
| printf("%d",ct_l); | |
| else if(in-ct_l>ct_r-in) | |
| printf("%d",ct_r); | |
| else | |
| printf("%d %d",ct_l,ct_r); | |
| } | |
| int main() | |
| { | |
| int in; | |
| scanf("%d",&in); | |
| findnear(in); | |
| return 0; | |
| } |
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