Submission #4028592
Source Code Expand
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
const int INF = 1e9, MOD = 1e9 + 7, ohara = 1e6;
const ll LINF = 1e18;
using namespace std;
#define rep(i, n) for (int(i) = 0; (i) < (int)(n); (i)++)
#define rrep(i, a, b) for (int i = (a); i < (b); i++)
#define rrrep(i, a, b) for (int i = (a); i >= (b); i--)
#define all(v) (v).begin(), (v).end()
#define Size(n) (n).size()
#define Cout(x) cout << (x) << endl
ll n, cnt, a, b, c, d, tmp, tmpp, m, h, w, x, y, sum, pos, k;
ld doua;
int dy[] = {1, 0, -1, 0};
int dx[] = {0, 1, 0, -1};
//int dy[]={-1,0,1,-1,1,-1,0,1};
//int dx[]={-1,-1,-1,0,0,1,1,1};
string alph("abcdefghijklmnopqrstuvwxyz"), s, ans[ohara];
bool fl;
struct edge
{
int to, cost;
};
map<string, ll> mp;
//-------------------------↓↓↓↓↓↓------------------------
int main(void)
{
cin.tie(0);
ios::sync_with_stdio(false);
cin >> s >> k;
rep(i, Size(s))
{
string co;
rrep(j, i, min((ll)i + k, (ll)Size(s)))
{
co += s[j];
mp[co]++;
if (mp[co] >= 2)
continue;
ans[cnt++] = co;
}
}
sort(ans, ans + cnt);
Cout(ans[k - 1]);
return 0;
}
Submission Info
Submission Time |
|
Task |
C - K-th Substring |
User |
asdf1 |
Language |
C++14 (GCC 5.4.1) |
Score |
300 |
Code Size |
1268 Byte |
Status |
AC |
Exec Time |
28 ms |
Memory |
9728 KB |
Judge Result
Set Name |
Sample |
Subtask |
All |
Score / Max Score |
0 / 0 |
200 / 200 |
100 / 100 |
Status |
|
|
|
Set Name |
Test Cases |
Sample |
0_000.txt, 0_001.txt, 0_002.txt |
Subtask |
0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt |
All |
0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 2_011.txt, 2_012.txt, 2_013.txt, 2_014.txt, 2_015.txt, 2_016.txt, 2_017.txt, 2_018.txt |
Case Name |
Status |
Exec Time |
Memory |
0_000.txt |
AC |
5 ms |
8064 KB |
0_001.txt |
AC |
5 ms |
8064 KB |
0_002.txt |
AC |
5 ms |
8064 KB |
1_003.txt |
AC |
5 ms |
8064 KB |
1_004.txt |
AC |
5 ms |
8064 KB |
1_005.txt |
AC |
5 ms |
8064 KB |
1_006.txt |
AC |
5 ms |
8064 KB |
1_007.txt |
AC |
5 ms |
8064 KB |
1_008.txt |
AC |
5 ms |
8064 KB |
1_009.txt |
AC |
5 ms |
8064 KB |
1_010.txt |
AC |
5 ms |
8064 KB |
2_011.txt |
AC |
7 ms |
8064 KB |
2_012.txt |
AC |
8 ms |
8064 KB |
2_013.txt |
AC |
23 ms |
9600 KB |
2_014.txt |
AC |
28 ms |
9728 KB |
2_015.txt |
AC |
19 ms |
9344 KB |
2_016.txt |
AC |
24 ms |
9728 KB |
2_017.txt |
AC |
28 ms |
9728 KB |
2_018.txt |
AC |
27 ms |
9728 KB |