字母统计

Posted 2022-06-12 zhanghua-322

#include <iostream>
#include <vector>
using namespace std;
int main() 
	string s;
	cin >> s;
	vector<int> v(52, 0);
	for (int i = 0; i < s.length(); i++) 
		if (s[i] >= ‘A‘ && s[i] <= ‘Z‘) 
			v[s[i] - 65]++;
		
		else if (s[i] >= ‘a‘ && s[i] <= ‘z‘) 
			v[s[i] - 97 + 26]++;
		
	

	int max = 0;
	char result = 123;
	for (int i = 0; i < 52; i++) 
		char temp;
		if (i >= 26) 
			temp = i - 26 + 97;
		
		else 
			temp = i + 65;
		
		if (v[i] > max) 
			max = v[i];
			result = temp;
		
		else if (v[i] == max && temp < result) 
			result = temp;
		

	
	cout << result << endl;
	return 0;