oj.uz

Submission #238772

# Submission time Handle Problem Language Result Execution time Memory
238772 2020-06-12T18:44:15 Z iliaM Utrka (COCI14_utrka) C++17
0 / 80
 5 ms 384 KB 
#include <bits/stdc++.h>

using namespace std;

#ifndef HELLO_PEOPLE
#define cerr if(0) cout
#endif

using ll = long long;
using ld = long double;

#define reps(a, b, x, s) \
        for (decay<decltype(b)>::type x = a; x < b; x += s)
#define pers(b, a, x, s) \
        for (decay<decltype(b)>::type x = b; x >= a; x -= s)

#define rep(a, b, x) reps(a, b, x, 1)
#define per(b, a, x) pers(b, a, x, 1)

#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define X first
#define Y second

template<class C>
inline int constexpr __size(C c) { return c.size(); }
#define size __size

template<int D, class T>
struct vec : public vector<vec<D - 1, T>> {
    template <class... Args>
    vec(int n = 0, Args... a) :
        vector<vec<D - 1, T>>(n, vec<D - 1, T>(a...)) {}
};

template<typename T>
struct vec<1, T> : public vector<T> {
    vec(int n = 0, T const &val = T()) :
    vector<T>(n, val) {}
};
// now start

ll const INF = 1e14;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    set<string> s1;
    auto &&in = []() {
        string s;
        cin >> s;
        return s;
    };
    rep (0, n, i) s1.emplace(in());
    rep (0, n - 1, i) s1.erase(in());
    cout << *s1.begin();
    return 0;
}

Subtask #1
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -