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我晕 题目前面说用x来填充 还以为x不用输出 大一了 wa一次 也晒下代码#include<iostream> using namespace std; #include<cstring> int main() { char str[303]; int n; while(scanf("%d",&n),n!=0) { cin>>str; int len=strlen(str); int m=len/n; for(int i=0;i<n;i++) for(int j=0;j<m;j++) { int k; if(j%2==1)k=n-i-1+n*j; else k=i+n*j; cout<<str[k]; } cout<<endl; } } Followed by:
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