旋转输出

例：“ABCDEFG”，8，4

输出：“EFGABCD”

#include <stdio.h>void xuanzhuan(char str[20],int n,int p){int i = 0;int j = 0;char new[20];for(i = 0;i <= p;i++){new[j + p - 1] = str[i];j++;}j = 0;for(i = p + 1;i < n;i++){new[j] = str[i];j++;}new[n] = '\0';for(j = 0;j <= n;j++){printf("%c",new[j]);}printf("\n");}int main(){char str[20]="ABCDEFGH";int n = 8;int p = 4;xuanzhuan(str,n,p);    return 0;}