标签:blog ++ second scan bre ret const printf cond
1 /* 2 HDU2516 取石子游戏 3 http://acm.hdu.edu.cn/showproblem.php?pid=2516 4 博弈论 斐波那契博弈 5 * 6 * 7 * 8 */ 9 #include <cstdio> 10 #include <algorithm> 11 #include <cstdlib> 12 #include <cstring> 13 #include <queue> 14 //#define test 15 using namespace std; 16 const int Nmax=50; 17 long long f[Nmax]; 18 int cnt; 19 int is(int n) 20 { 21 for(int i=1;i<=cnt;i++) 22 if(n==f[i]) 23 return 1; 24 return 0; 25 } 26 int main() 27 { 28 f[1]=1; 29 f[2]=1; 30 for(int i=3;i<Nmax;i++) 31 { 32 f[i]=f[i-1]+f[i-2]; 33 if(f[i]>2147483648LL) 34 { 35 #ifdef test 36 printf("%d\n",i); 37 printf("yes!\n"); 38 #endif 39 cnt=i-1; 40 break; 41 } 42 } 43 int n; 44 while(scanf("%d",&n)&&n) 45 { 46 if(is(n)) 47 printf("Second win\n"); 48 else 49 printf("First win\n"); 50 } 51 return 0; 52 }
标签:blog ++ second scan bre ret const printf cond
原文地址:http://www.cnblogs.com/BBBob/p/6561167.html