题解 | #单词识别#

#include<iostream>
#include<iomanip>
using namespace std;
#include<algorithm>
#include<math.h>
#include<string>
#include<vector>
#include<map>
#define MAX 128
int main() {
	ios::sync_with_stdio(false);

	string s;
	getline(cin, s);
	map<string, int>m;
	while (s.size() != 0) {
		int pos = s.find(' ', 0);
		if (pos == s.npos) {
			string temp = s.substr(0, s.size() - 1);
			s.clear();
			transform(temp.begin(), temp.end(), temp.begin(), ::tolower);
			//cout << "temp=" << temp << endl;
			m[temp]++;
		}
		else {
			string temp = s.substr(0, pos);
			s.erase(0, pos + 1);
			transform(temp.begin(), temp.end(), temp.begin(), ::tolower);
			//cout << "temp=" << temp << endl;
			m[temp]++;
		}
		
	}
	

		
		
		
	int lastmax = 1 << 30;
	int max = -1;
	while (max != 0) {
		
		
		auto it = m.begin();
		for (it = m.begin(); it != m.end(); it++) {
			if (max < it->second&&it->second<lastmax)max = it->second;
		}
		for (it = m.begin(); it != m.end(); it++) {
			if (max == it->second) {
				cout << it->first << ":" << it->second << endl;
			}
		}
		max--;
		lastmax = max;
	}
	


	
	return 0;
}