这个代码为什么运行不了？

Question

#include <iostream>
using namespace std;
int main()
{
    char ch, letter[101];
    cout << "Input a string:";
    cin >> ch;
    int i = 0, j = 1;
    while (ch != ".") {
        ++i;
        letter[i] = ch;
        cin >> ch;
    }
    whlie ((j < i) && (letter[j] == letter[i])) {
        --j; ++i;
    }
    if (j >= i)
        cout << "Yes" << endl;
    else
        cout << "No" << endl;
    return 0;
}

Answer 1

whlie
这里是 while

至于程序逻辑问题,你得把题目,也就是你程序要做什么说清楚