hdu1085 Holding Bin-Laden Captive!

 1 #include <cstdio>
 2 #include <cstring>
 3 
 4 using namespace std;
 5 
 6 int a, b, c;
 7 
 8 int getAns(){
 9     if(!a) return 1;
10     int high = 2 * b + a;
11     int len = 5 * c;
12     for(int i = high + 1; i <= 10000; i++){
13         int l1 = (i - high + 4) / 5;
14         int l2 = i / 5;
15         if(l1 <= l2 && c >= l1) continue;
16         return i;
17     }
18 }
19 
20 int main(){
21     while(~scanf("%d%d%d", &a, &b, &c) && (a || b || c)){
22         printf("%d\n", getAns());
23     }
24     return 0;
25 }