Submission #432342

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define gc getchar
int getint() { unsigned int c; int x = 0; while (((c = gc()) - '0') >= 10) { if (c == '-') return -getint(); if (!~c) exit(0); } do { x = (x << 3) + (x << 1) + (c - '0'); } while (((c = gc()) - '0') < 10); return x; }
int getstr(char *s) { int c, n = 0; while ((c = gc()) <= ' ') { if (!~c) exit(0); } do { s[n++] = c; } while ((c = gc()) > ' ' ); s[n] = 0; return n; }
template<class T> inline bool chmin(T &a, T b) { return a > b ? a = b, 1 : 0; }
template<class T> inline bool chmax(T &a, T b) { return a < b ? a = b, 1 : 0; }

char in[10];

int main () {
    int i, j, tcc, tc = 1 << 28;
    for (tcc = 0; tcc < tc; tcc++) {
        int m = getstr(in), n = getint();
        vector<string> names;
        for (i = 0; i < m; i++) for (j = 0; j < m; j++) {
            string nm;
            nm += in[i];
            nm += in[j];
            names.push_back(nm);
        }
        sort(names.begin(), names.end());
        puts(names[n - 1].c_str());
    }
    return 0;
}

Submission Info

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