USACO-T028: Runaround Numbers

/*
ID: mickyta1
TASK: runround
LANG: C++
*/

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

typedef unsigned int uint;

const int N = 9 + 5;

bool visited[N];

int main(){
    freopen("runround.in", "r", stdin);
    freopen("runround.out", "w", stdout);

    int lwb;
    scanf("%d", &lwb);
    for(uint i = lwb + 1; true; ++i){
        string str = to_string(i);
        for(int j = 0; j <= 9; ++j){
            visited[j] = false;
        }
        bool hasDup = false;
        for(int j = 0; j < str.size(); ++j){
            int c = str[j] - '0';
            if(visited[c]){
                hasDup = true;
                break;
            }
            visited[c] = true;
        }
        if(hasDup || visited[0]){
            continue;
        }
        for(int j = 0; j <= 9; ++j){
            visited[j] = false;
        }
        hasDup = false;
        int mve = 0;
        for(int j = 0; j < str.size(); ++j){
            int c = str[mve % str.size()] - '0';
            if(visited[c]){
                hasDup = true;
                break;
            }
            visited[c] = true;
            mve += c;
        }
        if(hasDup || str[mve % str.size()] != str[0]){
            continue;
        }
        cout << str << '\n';
        break;
    }

    fclose(stdin);
    fclose(stdout);
    return 0;
}