Submission #2498638

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Source Code Expand

/* --- author: dxm --- */
#include<bits/stdc++.h>
using namespace std;

#define INF 1e9
#define Inf 1e18
#define rep(i,n) for(int (i)=0;(i)<n;i++)
#define REP(i,n) for(int (i)=1;(i)<=n;i++)
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define fst first
#define snd second
typedef long long ll;
inline void Fail(){printf("0");exit(0);}

const int maxn=5005;
int n,k;
char c[maxn];
string s;
vector<string>ans;

int main(){
	scanf("%s%d",c,&k);s=c;n=s.size();
	rep(i,n)for(int j=i;j<n;j++){
		if(j-i+1>=10)continue;
		ans.pb(s.substr(i,j-i+1));
	}
	sort(ans.begin(),ans.end());
	ans.resize(unique(ans.begin(),ans.end())-ans.begin());
	printf("%s",ans[k-1].c_str());
	return 0;
}

/*
Input:
-----------------
Output:
*/

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s%d",c,&k);s=c;n=s.size();
                    ^

Judge Result