Submission #2638592

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#include <bits/stdc++.h>
using namespace std;

#define NDEBUG
#ifdef DEBUG
#include "../cout11.h"
#undef NDEBUG
#endif
#include <cassert>

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> llll;
typedef pair<double,double> dd;

typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<ll> vll;

#define sz(a)  int((a).size())
#define pb  push_back
#define FOR(var,from,to) for(int var=(from);var<=(to);++var)
#define rep(var,n)  for(int var=0;var<(n);++var)
#define rep1(var,n)  for(int var=1;var<=(n);++var)
#define repC2(vari,varj,n)  for(int vari=0;vari<(n)-1;++vari)for(int varj=vari+1;varj<(n);++varj)
#define ALL(c)  (c).begin(),(c).end()
#define RALL(c)  (c).rbegin(),(c).rend()
#define tr(i,c)  for(auto i=(c).begin(); i!=(c).end(); ++i)
#define found(s,e)  ((s).find(e)!=(s).end())
#define mset(arr,val)  memset(arr,val,sizeof(arr))
#define mid(x,y) ((x)+((y)-(x))/2)
#define IN(x,a,b) ((a)<=(x)&&(x)<=(b))

#define I
int main() {
    string s; cin >> s;
    string orig(s);

    int L = s.size();
    if (L != 26) {
        vector<int> st(26, 0);
        for (char c:s) {
            st[c - 'a']++;
        }
        rep(i,26){
            if (st[i]==0){
                s.pb((char)('a'+i));
                break;
            }
        }
        cout << s << endl;
        return 0;
    }

    if (!next_permutation(ALL(s))) {
        cout << -1 << endl;
        return 0;
    }
    for (int i=0; i<L; ++i) {
        if (s[i] == orig[i]) continue;
        s.erase(s.begin()+i+1, s.end());
        break;
    }
    cout << s << endl;
    return 0;
}

Submission Info

Submission Time
Task A - Diverse Word
User naoya_t
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1751 Byte
Status
Exec Time 1 ms
Memory 256 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 s1.txt, s2.txt, s3.txt, s4.txt
All 300 / 300 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt 1 ms 256 KB
02.txt 1 ms 256 KB
03.txt 1 ms 256 KB
04.txt 1 ms 256 KB
05.txt 1 ms 256 KB
06.txt 1 ms 256 KB
07.txt 1 ms 256 KB
08.txt 1 ms 256 KB
09.txt 1 ms 256 KB
10.txt 1 ms 256 KB
11.txt 1 ms 256 KB
12.txt 1 ms 256 KB
13.txt 1 ms 256 KB
14.txt 1 ms 256 KB
15.txt 1 ms 256 KB
16.txt 1 ms 256 KB
17.txt 1 ms 256 KB
18.txt 1 ms 256 KB
19.txt 1 ms 256 KB
s1.txt 1 ms 256 KB
s2.txt 1 ms 256 KB
s3.txt 1 ms 256 KB
s4.txt 1 ms 256 KB