Submission #2247613

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Source Code Expand

#include <iostream>
#include <string>
#include <cmath>

#define INC(i, a, b) for(int i = a; i < b; ++i)
#define DEC(i, a, b) for(int i = a; i > b; --i)
#define REP(i, n) INC(i, 0, n)

typedef unsigned int uint;
typedef unsigned long ul;
typedef long long  ll;
typedef unsigned long long ull;

void TFprint(bool b, std::string T, std::string F){
    if(b){
        std::cout << T << std::endl;
    }else{
        std::cout << F << std::endl;
    }
}

int main(){
    std::string str;
    std::cin >> str;
    int atoz[26] = {};
    REP(i, str.length()){
        atoz[str.at(i) - 'a']++;
    }
    int max = 0;
    REP(i, 26){
        if(max < atoz[i]){
            max = atoz[i];
        }
    }

    std::cout << (str.length() - max) / 2 + (str.length() - max) % 2 <<std::endl;
    return 0;
}

Submission Info

Judge Result