URAL 1430. Crime and Punishment（数论）

 1 #include <stdio.h>
 2 #include <string.h>
 3 #include <iostream>
 4 #define LL __int64
 5 
 6 using namespace std ;
 7 
 8 int main()
 9 {
10     LL a,b,n ;
11     while(~scanf("%I64d %I64d %I64d",&a,&b,&n))
12     {
13         if(a == 1)
14         {
15             printf("%I64d 0\n",n) ;
16             continue ;
17         }
18         if(b == 1)
19         {
20             printf("0 %I64d\n",n) ;
21             continue ;
22         }
23         bool flag = false ;
24         if(a < b)
25         {
26             swap(a,b) ;
27             flag = true ;
28         }
29        LL t = min(n/a,b) ,x;
30         LL minn = 999999999LL ;
31         for(int i = 0; i <= t ; i++)
32         {
33             if((n - a * i) % b < minn)
34             {
35                 minn = (n - a * i) % b ;
36                 x = i;
37             }
38         }
39         if(!flag) printf("%I64d %I64d\n",x,(n-a*x)/b) ;
40         else printf("%I64d %I64d\n",(n-a*x)/b,x) ;
41     }
42     return 0 ;
43 }