poj1750

简单题

注意有两个相同单词相邻的情况

View Code

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define maxl 20

char st[2][maxl];

int main()
{
    //freopen("t.txt", "r", stdin);
    int sum = 0;
    int i = 0;
    st[1][0] = '\0';
    while (scanf("%s", st[i]) != EOF)
    {
        int same = 0;
        for (int j = 0; j < sum + 1; j++)
            if (st[i][j] == st[i ^ 1][j] && st[i][j] != 0)
                same++;
            else
                break;
        if (same == sum + 1)
            sum++;
        else
            sum = same;
        for (int j = 0; j < sum; j++)
            putchar(' ');
        printf("%s\n", st[i]);
        i ^= 1;
    }
    return 0;
}