poj 1583 Choose Your Words Carefully

//这题足足用了我4个多小时来检查错误（半个小时写代码）！实在太愚蠢了！头都爆了！哎！
//而且这一题并没有区分大小写的，一般没有考虑到的情况，都可以通过代码后面的样例发现，
//这题实在太坑爹了！被折磨了数小时，经历了无限次WA！虽然是水题一道！
#include <iostream>
#include <string>
#include <map>
using namespace std;map<string, int> m;
map<string, int>::iterator it; int main()
{int i, len, max = 0, time; string word, tmp; bool flag; while (cin >> word){len = word.length();tmp.clear(); flag = false; for (i = 0; i < len; i++){if (isalpha(word[i])){word[i] = tolower(word[i]);tmp.push_back(word[i]); flag = false; }else{time = ++m[tmp];flag = true; if (time > max)max = time;tmp.clear(); } }if (!flag){time = ++m[tmp];if (time > max)max = time; } } cout << max << " occurrences" << endl;for (it = m.begin(); it != m.end(); it++){if (it->second == max)cout << it->first << endl; } system("pause");
} /*
a,a.a/a'a;a\a-a(a)and.. and
and.and. andans.ans New new
*/

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