Submission #3246053

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    map<string,int> mp;
    string tmp;
    for(int i = 0; i < n; i++){
        cin >> tmp;
        if(mp.find(tmp) == mp.end())
            mp[tmp] = 1;
        else
            mp[tmp]++;
    }
    int m;
    cin >> m;
    for(int i = 0; i < m; i++){
        cin >> tmp;
        if(mp.find(tmp) == mp.end())
            mp[tmp] = -1;
        else
            mp[tmp]--;
    }
    int max = 0;
    for(auto val: mp){
        if(val.second > max)
            max = val.second;
    }
    cout << max;
}

Submission Info

Judge Result