编号 题目 状态 分数 总时间 内存 代码 / 答案文件 提交者 提交时间
#69214 #1253. 开课通知 Wrong Answer 77 5883 ms 16808 K Java / 2.4 K zaiz7 2022-05-11 10:57:02
显示原始代码
import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) {
        Read in = new Read();
        int n = in.nextInt(), m = in.nextInt();
        String[] f = new String[n];
        int[] cnt = new int[m];
        for (int i = 0; i < n; i++) {
            f[i] = in.next();
        }
        for (int j = 0; j < m; j++) {
            for (int i = 0; i < n; i++) {
                if (f[i].charAt(j) == '1') {
                    cnt[j]++;
                }
            }
        }

        int res = n;
        Map<Integer, Integer> mp = new HashMap<>();
        for (int x : cnt) mp.put(x, mp.getOrDefault(x, 0) + 1);
        if (!mp.containsKey(1))
            System.out.println(n);
        else {
            while (mp.get(1) > 0) {
                for (int j = 0; j < m; j++) {
                    if (cnt[j] == 1) {
                        mp.put(cnt[j], mp.get(cnt[j]) - 1);
                        res--;
                        for (int i = 0; i < n; i++) {
                            if (f[i].charAt(j) == '1') {
                                for (int k = 0; k < m; k++) {
                                    if (f[i].charAt(k) == '1') {
                                        mp.put(cnt[k], mp.get(cnt[k]) - 1);
                                        cnt[k]--;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            System.out.println(res);
        }
    }

    static class Read {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer("");

        String next() {
            while (!st.hasMoreTokens()) try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        int[] readArray(int n) {
            int[] a = new int[n];
            for (int i = 0; i < n; i++) a[i] = nextInt();
            return a;
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }
    }
}
子任务 #1
Wrong Answer
得分:76
测试点 #1
Wrong Answer
得分:0
用时:260 ms
内存:15820 KiB

输入文件(1.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000100000000000000000
<1001911 bytes omitted>

答案文件(1.out

553

标准错误流

Exception in thread "main" java.lang.NullPointerException
	at Main.main(Main.java:35)

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 1
测试点 #2
Wrong Answer
得分:0
用时:212 ms
内存:16100 KiB

输入文件(2.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(2.out

390

标准错误流

Exception in thread "main" java.lang.NullPointerException
	at Main.main(Main.java:35)

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 1
测试点 #3
Wrong Answer
得分:0
用时:209 ms
内存:16212 KiB

输入文件(3.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(3.out

570

标准错误流

Exception in thread "main" java.lang.NullPointerException
	at Main.main(Main.java:35)

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 1
测试点 #4
Wrong Answer
得分:0
用时:258 ms
内存:16292 KiB

输入文件(4.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>

答案文件(4.out

898

标准错误流

Exception in thread "main" java.lang.NullPointerException
	at Main.main(Main.java:35)

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 1
测试点 #5
Wrong Answer
得分:0
用时:220 ms
内存:16112 KiB

输入文件(5.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(5.out

959

标准错误流

Exception in thread "main" java.lang.NullPointerException
	at Main.main(Main.java:35)

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 1
测试点 #6
Accepted
得分:100
用时:211 ms
内存:15548 KiB

输入文件(6.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>

答案文件(6.out

985

用户输出

985

系统信息

Exited with return code 0
测试点 #7
Accepted
得分:100
用时:258 ms
内存:15784 KiB

输入文件(7.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(7.out

992

用户输出

992

系统信息

Exited with return code 0
测试点 #8
Accepted
得分:100
用时:257 ms
内存:16808 KiB

输入文件(8.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
<1001911 bytes omitted>

答案文件(8.out

995

用户输出

995

系统信息

Exited with return code 0
测试点 #9
Accepted
得分:100
用时:238 ms
内存:15928 KiB

输入文件(9.in

1000 1000
00000000000000000000000000000000000000000100000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(9.out

1000

用户输出

1000

系统信息

Exited with return code 0
测试点 #10
Accepted
得分:100
用时:211 ms
内存:15044 KiB

输入文件(10.in

1000 1000
00000000000000010000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(10.out

998

用户输出

998

系统信息

Exited with return code 0
测试点 #11
Accepted
得分:100
用时:120 ms
内存:15260 KiB

输入文件(11.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(11.out

9998

用户输出

9998

系统信息

Exited with return code 0
测试点 #12
Accepted
得分:100
用时:122 ms
内存:14256 KiB

输入文件(12.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(12.out

9997

用户输出

9997

系统信息

Exited with return code 0
测试点 #13
Accepted
得分:100
用时:119 ms
内存:14472 KiB

输入文件(13.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(13.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #14
Accepted
得分:100
用时:130 ms
内存:14972 KiB

输入文件(14.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(14.out

9999

用户输出

9999

系统信息

Exited with return code 0
测试点 #15
Accepted
得分:100
用时:144 ms
内存:15124 KiB

输入文件(15.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(15.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #16
Accepted
得分:100
用时:125 ms
内存:15164 KiB

输入文件(16.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(16.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #17
Accepted
得分:100
用时:126 ms
内存:15376 KiB

输入文件(17.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(17.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #18
Accepted
得分:100
用时:113 ms
内存:15292 KiB

输入文件(18.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(18.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #19
Accepted
得分:100
用时:131 ms
内存:15224 KiB

输入文件(19.in

10000 10
0000000000
0000000000
1000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(19.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #20
Accepted
得分:100
用时:120 ms
内存:15476 KiB

输入文件(20.in

10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>

答案文件(20.out

10000

用户输出

10000

系统信息

Exited with return code 0
测试点 #21
Accepted
得分:100
用时:228 ms
内存:16384 KiB

输入文件(21.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(21.out

4930

用户输出

4930

系统信息

Exited with return code 0
测试点 #22
Accepted
得分:100
用时:221 ms
内存:15040 KiB

输入文件(22.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(22.out

4922

用户输出

4922

系统信息

Exited with return code 0
测试点 #23
Accepted
得分:100
用时:268 ms
内存:15508 KiB

输入文件(23.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(23.out

4940

用户输出

4940

系统信息

Exited with return code 0
测试点 #24
Accepted
得分:100
用时:218 ms
内存:15068 KiB

输入文件(24.in

5000 200
000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(24.out

4944

用户输出

4944

系统信息

Exited with return code 0
测试点 #25
Wrong Answer
得分:0
用时:245 ms
内存:16100 KiB

输入文件(25.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(25.out

4960

用户输出

4961

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #26
Wrong Answer
得分:0
用时:220 ms
内存:14824 KiB

输入文件(26.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(26.out

4967

用户输出

4968

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #27
Accepted
得分:100
用时:225 ms
内存:15820 KiB

输入文件(27.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(27.out

4980

用户输出

4980

系统信息

Exited with return code 0
测试点 #28
Accepted
得分:100
用时:236 ms
内存:16680 KiB

输入文件(28.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(28.out

4980

用户输出

4980

系统信息

Exited with return code 0
测试点 #29
Accepted
得分:100
用时:214 ms
内存:16284 KiB

输入文件(29.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(29.out

4987

用户输出

4987

系统信息

Exited with return code 0
测试点 #30
Accepted
得分:100
用时:224 ms
内存:16080 KiB

输入文件(30.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(30.out

4992

用户输出

4992

系统信息

Exited with return code 0