Submission #73674539

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Source Code Expand

#include<bits/stdc++.h>
// #include<atcoder/all>
using namespace std;
using ll = long long;
#define rep(i, n) for(int  i = 0; i < (n); ++i)
template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;}
template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;}
const long long INF = 1LL << 60;
using Graph = vector<vector<int>>;
int gcd(int a, int b){
    if(b == 0) return a;  
    else return gcd(b, a%b);
}
struct Compare {
    bool operator()(const pair<ll, int>& a, const pair<ll, int>& b) {
        return a.first > b.first;  
    }
};

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    string s; cin >> s;
    map<char,int> cnt;
    int mcnt = 0;
    for(auto x:s){
        cnt[x]++;
        chmax(mcnt, cnt[x]);
    }
    for(auto x:s){
        if(cnt[x] < mcnt) cout << x;
    }
    cout << endl;
}

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