QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#276680#6743. water235ucup-team958#AC ✓133ms81248kbC++14697b2023-12-06 07:52:452023-12-06 07:52:46

Judging History

你现在查看的是最新测评结果

  • [2023-12-06 07:52:46]
  • 评测
  • 测评结果:AC
  • 用时:133ms
  • 内存:81248kb
  • [2023-12-06 07:52:45]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int maxn=1000010;
int n,m;
vector<int>v1[maxn],v2[maxn];
int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
		for(int j=0;j<=m;j++)
			v1[i].push_back(0),v2[i].push_back(0);
	for(int i=1;i<=m;i+=2) v1[1][i]=1;
	for(int i=1;i<=n;i+=2) v1[i][1]=1;
	for(int i=2;i<=m;i+=2) v2[1][i]=1;
	for(int i=2;i<=n;i+=2) v2[i][1]=1;
	v1[1][m]=v1[n][1]=1;
	v2[1][m]=v2[n][1]=1;
	int tot1=0,tot2=0;
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			tot1+=v1[i][j],tot2+=v2[i][j];
	printf("%d\n",min(tot1,tot2));
	for(int i=1;i<=n;i++,printf("\n"))
		for(int j=1;j<=m;j++)
			printf("%d ",tot1<tot2?v1[i][j]:v2[i][j]); 
	return 0;
} 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 4ms
memory: 50496kb

input:

2 1

output:

2
1 
1 

result:

ok The answer is correct.

Test #2:

score: 0
Accepted
time: 4ms
memory: 50692kb

input:

3 3

output:

3
1 0 1 
0 0 0 
1 0 0 

result:

ok The answer is correct.

Test #3:

score: 0
Accepted
time: 7ms
memory: 50504kb

input:

1 4

output:

3
1 1 0 1 

result:

ok The answer is correct.

Test #4:

score: 0
Accepted
time: 4ms
memory: 50456kb

input:

2 2

output:

2
0 1 
1 0 

result:

ok The answer is correct.

Test #5:

score: 0
Accepted
time: 7ms
memory: 50572kb

input:

2 4

output:

3
0 1 0 1 
1 0 0 0 

result:

ok The answer is correct.

Test #6:

score: 0
Accepted
time: 10ms
memory: 50496kb

input:

4 3

output:

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

result:

ok The answer is correct.

Test #7:

score: 0
Accepted
time: 13ms
memory: 50744kb

input:

4 4

output:

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

result:

ok The answer is correct.

Test #8:

score: 0
Accepted
time: 3ms
memory: 50524kb

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: 4ms
memory: 50756kb

input:

2 444

output:

223
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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: 3ms
memory: 50512kb

input:

2 445

output:

224
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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: 7ms
memory: 50456kb

input:

3 333

output:

168
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 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: 7ms
memory: 50716kb

input:

3 332

output:

168
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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 #13:

score: 0
Accepted
time: 3ms
memory: 50524kb

input:

224 4

output:

114
0 1 0 1 
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: 4ms
memory: 50740kb

input:

31 31

output:

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

result:

ok The answer is correct.

Test #15:

score: 0
Accepted
time: 4ms
memory: 50492kb

input:

31 30

output:

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

result:

ok The answer is correct.

Test #16:

score: 0
Accepted
time: 16ms
memory: 50832kb

input:

128 128

output:

128
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 
1 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 #17:

score: 0
Accepted
time: 52ms
memory: 58316kb

input:

1000 1000

output:

1000
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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 #18:

score: 0
Accepted
time: 8ms
memory: 50560kb

input:

1 1

output:

1
1 

result:

ok The answer is correct.

Test #19:

score: 0
Accepted
time: 44ms
memory: 58232kb

input:

999 999

output:

999
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 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 #20:

score: 0
Accepted
time: 48ms
memory: 59104kb

input:

2 499999

output:

250001
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 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: 56ms
memory: 57936kb

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: 54ms
memory: 59232kb

input:

10 99998

output:

50004
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 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: 48ms
memory: 59104kb

input:

100 10000

output:

5050
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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: 47ms
memory: 58968kb

input:

99 9999

output:

5049
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 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: 60ms
memory: 60820kb

input:

9998 99

output:

5049
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 
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: 47ms
memory: 58276kb

input:

1000 999

output:

1000
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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 #27:

score: 0
Accepted
time: 133ms
memory: 81248kb

input:

488889 2

output:

244446
0 1 
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...

result:

ok The answer is correct.

Test #28:

score: 0
Accepted
time: 63ms
memory: 59448kb

input:

31112 31

output:

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

result:

ok The answer is correct.

Test #29:

score: 0
Accepted
time: 40ms
memory: 63288kb

input:

3111 310

output:

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