結果

問題 No.927 Second Permutation
ユーザー tmsausatmsausa
提出日時 2019-11-22 21:30:25
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 6 ms / 2,000 ms
コード長 3,231 bytes
コンパイル時間 1,591 ms
コンパイル使用メモリ 172,460 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-10-11 02:52:32
合計ジャッジ時間 2,574 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
6,816 KB
testcase_01 AC 2 ms
6,820 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 2 ms
6,820 KB
testcase_05 AC 2 ms
6,816 KB
testcase_06 AC 2 ms
6,816 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 3 ms
6,820 KB
testcase_09 AC 2 ms
6,816 KB
testcase_10 AC 4 ms
6,816 KB
testcase_11 AC 5 ms
6,816 KB
testcase_12 AC 4 ms
6,816 KB
testcase_13 AC 2 ms
6,820 KB
testcase_14 AC 4 ms
6,816 KB
testcase_15 AC 3 ms
6,816 KB
testcase_16 AC 5 ms
6,816 KB
testcase_17 AC 6 ms
6,816 KB
testcase_18 AC 6 ms
6,820 KB
testcase_19 AC 5 ms
6,820 KB
testcase_20 AC 6 ms
6,816 KB
testcase_21 AC 6 ms
6,816 KB
testcase_22 AC 6 ms
6,816 KB
testcase_23 AC 6 ms
6,820 KB
testcase_24 AC 4 ms
6,820 KB
testcase_25 AC 3 ms
6,820 KB
testcase_26 AC 3 ms
6,820 KB
testcase_27 AC 2 ms
6,816 KB
testcase_28 AC 4 ms
6,820 KB
testcase_29 AC 3 ms
6,820 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>
#define range(i, l, r) for(long long int (i) = (l); (i) < (r); (i)++)
#define reversed_range(i, l, r) for (long long int (i) = (r) - 1; (i) >= l; (i)--)
using namespace std;
template <typename T>
using vec = vector<T>;
using lint = long long;
using ulint = unsigned long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;

template <typename S, typename T>
ostream& operator <<(ostream& os, pair<S, T> p) {
    os << "(";
    os << p.first << ", " << p.second;
    return os << ")";
}

template <typename T>
ostream& operator <<(ostream& os, vec<T> v) {
    os << "[";
    if (v.size() == 0) return os << "]";
    for (int i = 0; i < v.size() - 1; i++) {
        os << v.at(i) << ", ";
    }
    return os << v.at(v.size() - 1) << "]";
}

template <typename T>
ostream& operator <<(ostream& os, set<T>& s) {
    os << "{";
    if (s.begin() == s.end()) return os << "}";
    auto it_first_item = s.begin();
    cout << *it_first_item;
    for (auto it = ++it_first_item; it != s.end(); it++) {
        cout << ", " << *it;
    }
    return cout << "}";
}

template <typename T>
ostream& operator <<(ostream& os, unordered_set<T>& s) {
    os << "{";
    if (s.begin() == s.end()) return os << "}";
    auto it_first_item = s.begin();
    cout << *it_first_item;
    for (auto it = ++it_first_item; it != s.end(); it++) {
        cout << ", " << *it;
    }
    return cout << "}";
}

template <typename K, typename V>
ostream& operator <<(ostream& os, map<K, V> m) {
    os << "{";
    if (m.begin() == m.end()) return os << "}";
    auto it_first_item = m.begin();
    cout << it_first_item->first << ": " << it_first_item->second;
    for (auto it = ++it_first_item; it != m.end(); it++) {
        cout << ", " << it->first << ": " << it->second;
    }
    return os << "}";
}

template <typename K, typename V>
ostream& operator <<(ostream& os, unordered_map<K, V> m) {
    os << "{";
    if (m.begin() == m.end()) return os << "}";
    auto it_first_item = m.begin();
    cout << it_first_item->first << ": " << it_first_item->second;
    for (auto it = ++it_first_item; it != m.end(); it++) {
        cout << ", " << it->first << ": " << it->second;
    }
    return os << "}";
}

lint pow(lint num, lint e, lint MOD) {
    lint res = 1;
    lint cur_num = num;
    while (e) {
        if (e & 1) {
            res *= cur_num;
            res %= MOD;
        }
        cur_num *= cur_num;
        cur_num %= MOD;
        e >>= 1;
    }
    return res;
}

int main() {
    cin.tie(0); cout.tie(0);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    string X; cin >> X;
    sort(X.begin(), X.end(), greater<char>());
    // cout << X << "\n";
    string second_biggest = X;
    lint num_digits = second_biggest.size();
    lint swap_idx = num_digits - 1;
    while (swap_idx >= 1 and second_biggest.at(swap_idx) == second_biggest.at(swap_idx - 1)) swap_idx--;
    if (swap_idx == 0) {
        cout << -1 << "\n";
        return 0;
    } else if (swap_idx == 1 and second_biggest.at(swap_idx) == '0') {
        cout << -1 << "\n";
        return 0;
    }
    swap(second_biggest.at(swap_idx), second_biggest.at(swap_idx - 1));
    cout << second_biggest << "\n";
}
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