QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#132649#6743. water235bucketpotato#AC ✓41ms29852kbC++20846b2023-07-30 23:05:382023-07-30 23:05:41

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-07-30 23:05:41]
  • 评测
  • 测评结果:AC
  • 用时:41ms
  • 内存:29852kb
  • [2023-07-30 23:05:38]
  • 提交

answer

#include "bits/stdc++.h"

using namespace std;

int main() {

  cin.tie(0)->sync_with_stdio(0);
  cin.exceptions(cin.failbit);

  int n, m; cin >> n >> m;
  int sol = 0;

  vector<vector<int>> ans(n, vector<int>(m));

  if (n >= m) {
    for (int i = 0; i < m; i++) {
      ans[i][i] = 1;
    }
    for (int i = m + 1; i < n; i+= 2){
      ans[i][0]= 1;
    }
    if (n>m){
    ans[n-1][0]=1;}
  }
  else {
    for (int i = 0; i < n; i++) {
      ans[i][i] = 1;
    }
    for (int i = n + 1; i < m; i+= 2){
      ans[0][i]= 1;
    }
    ans[0][m-1]=1;
  }

  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      sol += ans[i][j];
    }
  }
  cout<<sol<<"\n";
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      cout << ans[i][j] << " \n"[j == m - 1];
    }
  }

}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3568kb

input:

2 1

output:

2
1
1

result:

ok The answer is correct.

Test #2:

score: 0
Accepted
time: 1ms
memory: 3460kb

input:

3 3

output:

3
1 0 0
0 1 0
0 0 1

result:

ok The answer is correct.

Test #3:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

1 4

output:

3
1 0 1 1

result:

ok The answer is correct.

Test #4:

score: 0
Accepted
time: 1ms
memory: 3576kb

input:

2 2

output:

2
1 0
0 1

result:

ok The answer is correct.

Test #5:

score: 0
Accepted
time: 1ms
memory: 3452kb

input:

2 4

output:

3
1 0 0 1
0 1 0 0

result:

ok The answer is correct.

Test #6:

score: 0
Accepted
time: 1ms
memory: 3468kb

input:

4 3

output:

4
1 0 0
0 1 0
0 0 1
1 0 0

result:

ok The answer is correct.

Test #7:

score: 0
Accepted
time: 1ms
memory: 3492kb

input:

4 4

output:

4
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1

result:

ok The answer is correct.

Test #8:

score: 0
Accepted
time: 1ms
memory: 3528kb

input:

1 789

output:

395
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 ...

result:

ok The answer is correct.

Test #9:

score: 0
Accepted
time: 1ms
memory: 3528kb

input:

2 444

output:

223
1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 ...

result:

ok The answer is correct.

Test #10:

score: 0
Accepted
time: 1ms
memory: 3544kb

input:

2 445

output:

224
1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 ...

result:

ok The answer is correct.

Test #11:

score: 0
Accepted
time: 1ms
memory: 3440kb

input:

3 333

output:

168
1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 ...

result:

ok The answer is correct.

Test #12:

score: 0
Accepted
time: 1ms
memory: 3576kb

input:

3 332

output:

168
1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 ...

result:

ok The answer is correct.

Test #13:

score: 0
Accepted
time: 1ms
memory: 3540kb

input:

224 4

output:

114
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
1 0 0 0
0 0 0 0
...

result:

ok The answer is correct.

Test #14:

score: 0
Accepted
time: 1ms
memory: 3500kb

input:

31 31

output:

31
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.

Test #15:

score: 0
Accepted
time: 0ms
memory: 3464kb

input:

31 30

output:

31
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.

Test #16:

score: 0
Accepted
time: 2ms
memory: 3600kb

input:

128 128

output:

128
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

ok The answer is correct.

Test #17:

score: 0
Accepted
time: 41ms
memory: 6952kb

input:

1000 1000

output:

1000
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.

Test #18:

score: 0
Accepted
time: 1ms
memory: 3488kb

input:

1 1

output:

1
1

result:

ok The answer is correct.

Test #19:

score: 0
Accepted
time: 41ms
memory: 7052kb

input:

999 999

output:

999
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

ok The answer is correct.

Test #20:

score: 0
Accepted
time: 33ms
memory: 8816kb

input:

2 499999

output:

250001
1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0...

result:

ok The answer is correct.

Test #21:

score: 0
Accepted
time: 36ms
memory: 10852kb

input:

1 999999

output:

500000
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1...

result:

ok The answer is correct.

Test #22:

score: 0
Accepted
time: 35ms
memory: 7508kb

input:

10 99998

output:

50004
1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 ...

result:

ok The answer is correct.

Test #23:

score: 0
Accepted
time: 41ms
memory: 7012kb

input:

100 10000

output:

5050
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1...

result:

ok The answer is correct.

Test #24:

score: 0
Accepted
time: 36ms
memory: 6996kb

input:

99 9999

output:

5049
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0...

result:

ok The answer is correct.

Test #25:

score: 0
Accepted
time: 38ms
memory: 7584kb

input:

9998 99

output:

5049
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.

Test #26:

score: 0
Accepted
time: 37ms
memory: 6976kb

input:

1000 999

output:

1000
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.

Test #27:

score: 0
Accepted
time: 38ms
memory: 29852kb

input:

488889 2

output:

244446
1 0
0 1
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1 0
0 0
1...

result:

ok The answer is correct.

Test #28:

score: 0
Accepted
time: 32ms
memory: 8380kb

input:

31112 31

output:

15572
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

ok The answer is correct.

Test #29:

score: 0
Accepted
time: 40ms
memory: 6976kb

input:

3111 310

output:

1711
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

result:

ok The answer is correct.