【練習01】 簡單題（1）1015

To and Fro

#include<iostream>#include<string>#include<fstream>#include <string.h>using namespace std;int main(){string shuru;int column;//ifstream ifs("shuju.txt");while(cin>>column && column != 0){cin>>shuru;//ifs.ignore();//getline(ifs, shuru);char chongpai[105][25];int jiOu;int row = shuru.length() / column;if(shuru.length() % column != 0){row++;}if(row % 2 == 0){jiOu = 0;}else{jiOu = 1;}int i;int cishu;cishu = row%2==0?(row/2):(row/2 + 1);int j;int k = 0;for(j = 0; j < cishu; j++){for(i = 0; i < column; i++){chongpai[2 * j][i] = shuru[k];k++;}i--;if(j == cishu - 1){if(jiOu == 1){break;}}for( ; i >= 0; i--){chongpai[2 * j + 1][i] = shuru[k];k++;}}for(int m = 0; m < column; m++){for(int n = 0; n < row; n++){cout<<chongpai[n][m];}}cout<<endl;}//system("pause");return 0;}