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3.斐波那契数列.cpp

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+#include <stdio.h>
+void fib(int n)
+{
+int i,a,b,c;
+for(i=0;i<n;i++)
+{
+if(i>1)
+{
+    c=a+b;
+    printf("%d ",c);
+    a=b;
+    b=c;
+}
+else
+{
+    a=1;
+    b=1;
+    printf("1 ");
+}
+}
+}
+ 
+int main(void)
+{
+int i;
+scanf("%d",&i);
+fib(i);  
+return 1;
+}