【Codeforces 27A】Next Test

【链接】 我是链接,点我呀:)
【题意】

让你求没出现过的最小值

【题解】

模拟。。for一下就好

【代码】

复制代码import java.io.*; import java.util.*; public class Main { static InputReader in; static PrintWriter out; public static void main(String[] args) throws IOException{ //InputStream ins = new FileInputStream("E:\rush.txt"); InputStream ins = System.in; in = new InputReader(ins); out = new PrintWriter(System.out); //code start from here new Task().solve(in, out); out.close(); } static int N = (int)3000; static class Task{ public void solve(InputReader in,PrintWriter out) { int n; int bo[] = new int[N+10]; n = in.nextInt(); for (int i = 1;i <= n;i++) { int x; x = in.nextInt(); bo[x]++; } for (int i = 1;i <= N+1;i++){ if (bo[i]==0) { out.println(i); return; } } } } static class InputReader{ public BufferedReader br; public StringTokenizer tokenizer; public InputReader(InputStream ins) { br = new BufferedReader(new InputStreamReader(ins)); tokenizer = null; } public String next(){ while (tokenizer==null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(br.readLine()); }catch(IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public int nextInt() { return Integer.parseInt(next()); } } }

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import java.io.*;
import java.util.*;

public class Main {
    
    
    static InputReader in;
    static PrintWriter out;
        
    public static void main(String[] args) throws IOException{
        //InputStream ins = new FileInputStream("E:\rush.txt");
        InputStream ins = System.in;
        in = new InputReader(ins);
        out = new PrintWriter(System.out);
        //code start from here
        new Task().solve(in, out);
        out.close();
    }
    
    static int N = (int)3000;
    static class Task{
        public void solve(InputReader in,PrintWriter out) {
            int n;
            int bo[] = new int[N+10];
            n = in.nextInt();
            for (int i = 1;i <= n;i++) {
                int x;
                x = in.nextInt();
                bo[x]++;
            }
            for (int i = 1;i <= N+1;i++){
                if (bo[i]==0) {
                    out.println(i);
                    return;
            }
            }
        }
    }

    

    static class InputReader{
        public BufferedReader br;
        public StringTokenizer tokenizer;
        
        public InputReader(InputStream ins) {
            br = new BufferedReader(new InputStreamReader(ins));
            tokenizer = null;
        }
        
        public String next(){
            while (tokenizer==null || !tokenizer.hasMoreTokens()) {
                try {
                tokenizer = new StringTokenizer(br.readLine());
                }catch(IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }
        
        public int nextInt() {
            return Integer.parseInt(next());
        }
    }
}