delete pics to save space

7.3070.cpp

@@ -0,0 +1,42 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+const int mod=10000;
+int n;
+void mul(int f[2],int a[2][2])
+{
+	int c[2];
+	memset(c,0,sizeof(c));
+	for(int j=0;j<2;j++)
+		for(int k=0;k<2;k++)
+			c[j]=(c[j]+(long long)f[k]*a[k][j])%mod;
+	memcpy(f,c,sizeof(c));
+}
+void mulself(int a[2][2])
+{
+	int c[2][2]={0};
+	for(int i=0;i<2;i++)
+		for(int j=0;j<2;j++)
+			for(int k=0;k<2;k++)
+				c[i][j]=(c[i][j]+(long long)a[i][k]*a[k][j])%mod;
+	memcpy(a,c,sizeof(c));
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(scanf("%d",&n)&&n!=-1)
+	{
+		int f[2]={0,1};
+		int a[2][2]={{0,1},{1,1}};
+		for(;n;n>>=1)
+		{
+			if(n&1) mul(f,a);
+			mulself(a);
+		}
+		printf("%d\n",f[0]);
+	}
+	return 0;
+}