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
#69067 #1253. 开课通知 Wrong Answer 27 555 ms 2332 K C++ / 1.3 K 新媒体-雷广涵 2022-04-24 19:50:37
显示原始代码
#include <iostream>
#include <string>
#include <set>

using namespace std;

int main() {
    int n, m;
    cin >> n >> m;

    string s[n];
    bool selected[n];
    set<int> se[m];

    for (int i = 0; i < n; i++) selected[i] = true;

    for (int i = 0; i < n; i++) {
        cin >> s[i];
        for (int j = 0; j < m; j++) {
            if (s[i][j] == '1') {
                se->insert(i);
            }
        }
    }

    while (true) {
        bool is_break = true;
        for (int i = 0; i < m; i++) {
            if (!selected[i]) {
                continue;
            } else {
                if (se[i].size() == 1) {
                    selected[i] = false;
                    for (int j = 0; j < n; j++) {
                        if (!selected[j])
                            continue;
                        if (se[j].find(i) != se[j].end()) {
                            se[j].erase(i);
                        }
                    }
                    is_break = false;
                    break;
                }
            }
        }
        if (is_break)
            break;
    }

    int ans = 0;
    for (int i = 0; i < n; i++) ans = ans + (selected[i] ? 1 : 0);
    cout << ans << endl;
    return 0;
}
子任务 #1
Wrong Answer
得分:26
测试点 #1
Wrong Answer
得分:0
用时:21 ms
内存:2296 KiB

输入文件(1.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000100000000000000000
<1001911 bytes omitted>

答案文件(1.out

553

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #2
Wrong Answer
得分:0
用时:25 ms
内存:2304 KiB

输入文件(2.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(2.out

390

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #3
Wrong Answer
得分:0
用时:25 ms
内存:2304 KiB

输入文件(3.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(3.out

570

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #4
Wrong Answer
得分:0
用时:19 ms
内存:2244 KiB

输入文件(4.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>

答案文件(4.out

898

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #5
Wrong Answer
得分:0
用时:23 ms
内存:2240 KiB

输入文件(5.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(5.out

959

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #6
Wrong Answer
得分:0
用时:21 ms
内存:2304 KiB

输入文件(6.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>

答案文件(6.out

985

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #7
Wrong Answer
得分:0
用时:29 ms
内存:2304 KiB

输入文件(7.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(7.out

992

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #8
Wrong Answer
得分:0
用时:22 ms
内存:2292 KiB

输入文件(8.in

1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
<1001911 bytes omitted>

答案文件(8.out

995

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #9
Accepted
得分:100
用时:20 ms
内存:2304 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
Wrong Answer
得分:0
用时:24 ms
内存:2332 KiB

输入文件(10.in

1000 1000
00000000000000010000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>

答案文件(10.out

998

用户输出

1000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #11
Wrong Answer
得分:0
用时:6 ms
内存:528 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

10000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #12
Wrong Answer
得分:0
用时:7 ms
内存:496 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

10000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #13
Accepted
得分:100
用时:6 ms
内存:512 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
Wrong Answer
得分:0
用时:7 ms
内存:516 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

10000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #15
Accepted
得分:100
用时:5 ms
内存:516 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:5 ms
内存:512 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:6 ms
内存:516 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:7 ms
内存:696 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:7 ms
内存:544 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:7 ms
内存:596 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
Wrong Answer
得分:0
用时:26 ms
内存:1664 KiB

输入文件(21.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(21.out

4930

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #22
Wrong Answer
得分:0
用时:27 ms
内存:1600 KiB

输入文件(22.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(22.out

4922

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #23
Wrong Answer
得分:0
用时:27 ms
内存:1656 KiB

输入文件(23.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(23.out

4940

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #24
Wrong Answer
得分:0
用时:30 ms
内存:1644 KiB

输入文件(24.in

5000 200
000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(24.out

4944

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #25
Wrong Answer
得分:0
用时:30 ms
内存:1744 KiB

输入文件(25.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(25.out

4960

用户输出

5000

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:26 ms
内存:1664 KiB

输入文件(26.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(26.out

4967

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #27
Wrong Answer
得分:0
用时:26 ms
内存:1736 KiB

输入文件(27.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(27.out

4980

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #28
Wrong Answer
得分:0
用时:23 ms
内存:1732 KiB

输入文件(28.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(28.out

4980

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #29
Wrong Answer
得分:0
用时:26 ms
内存:1692 KiB

输入文件(29.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(29.out

4987

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0
测试点 #30
Wrong Answer
得分:0
用时:22 ms
内存:1664 KiB

输入文件(30.in

5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>

答案文件(30.out

4992

用户输出

5000

Special Judge 信息

Files user_out and answer differ

系统信息

Exited with return code 0