結果

問題 No.927 Second Permutation
ユーザー ningenMeningenMe
提出日時 2019-11-22 21:36:07
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 3,591 bytes
コンパイル時間 1,948 ms
コンパイル使用メモリ 167,556 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-04-19 10:39:41
合計ジャッジ時間 2,247 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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 1 ms
5,248 KB
testcase_01 AC 1 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 1 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 1 ms
5,376 KB
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 AC 3 ms
5,376 KB
testcase_25 AC 3 ms
5,376 KB
testcase_26 AC 2 ms
5,376 KB
testcase_27 AC 2 ms
5,376 KB
testcase_28 AC 4 ms
5,376 KB
testcase_29 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:71:14: warning: 'i1' may be used uninitialized [-Wmaybe-uninitialized]
   71 |     swap(v[i1],v[i2]);
      |              ^
main.cpp:66:9: note: 'i1' was declared here
   66 |     int i1,i2;
      |         ^~
main.cpp:71:20: warning: 'i2' may be used uninitialized [-Wmaybe-uninitialized]
   71 |     swap(v[i1],v[i2]);
      |                    ^
main.cpp:66:12: note: 'i2' was declared here
   66 |     int i1,i2;
      |            ^~

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);

template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;

constexpr long long MOD = (long long)1e9 + 7;
constexpr long long MOD2 = 998244353;
constexpr long long HIGHINF = (long long)1e18;
constexpr long long LOWINF = (long long)1e15;
constexpr long double PI = 3.1415926535897932384626433;

template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);}
template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max(a,b);}
template <class T> void chmin(T& a, const T b){a=min(a,b);}
void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;}

int main() {
    string S; cin >> S;
    vector<int> c(10,0);
    for(int i = 0; i < S.size();++i) {
        c[S[i]-'0']++;
    }
    int cnt = 0;
    for(int i = 0; i < 10; ++i) if(c[i]) cnt++;
    corner(cnt == 1,-1);
    cnt = 0;
    for(int i = 1; i < 10; ++i) cnt+=c[i];
    corner(cnt == 1,-1);

    int m1=-1,m2=-1;
    for(int i = 0; i < 10; ++i){
        if(c[i]){
            if(m1==-1) m1 = i;
            else if(m2==-1) m2 = i;
        }
    }
    vector<int> v;
    for(int i = 9; 0 <= i; --i) {
        for(int j = 0; j < c[i]; ++j){
            v.push_back(i);
        }
    }
    int i1,i2;
    for(int i = 0; i < v.size(); ++i) {
        if(v[i]==m1) i1 = i;
        if(v[i]==m2) i2 = i;
    }
    swap(v[i1],v[i2]);
    string ans;
    for(int i = 0; i < v.size(); ++i) ans.push_back(char(v[i]+'0'));
    cout << ans << endl;

    return 0;
}
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