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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#747158#7755. Game on a Forest1926406757WA 1ms4480kbC++20645b2024-11-14 16:28:382024-11-14 16:28:38

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 16:28:38]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:4480kb
  • [2024-11-14 16:28:38]
  • 提交

answer

#include<iostream>

#define int long long
using namespace std;

const int N=1e5+10;
int st[N];

signed main()
{
	cin.tie(0),cout.tie(0),ios::sync_with_stdio(false);
	int n,m;
	int rd=m;
	cin>>n>>m;
	for(int i=1;i<=m;i++)
	{
		int x,y;
		cin>>x>>y;
		st[x]++,st[y]++;
	}
	int dd=0;
	int ed=0;
	for(int i=1;i<=n;i++) if(!st[i]) dd++; else if(st[i]==2) ed++;
	int es=n+m;
	int res=0;
	if(n%2==0&&m%2==0)
	{
		res=0;
	}
	else if(n%2==0)
	{
		res=m;
	}
	else if(m%2==0)
	{
		for(int i=1;i<=n;i++) if(st[i]==2||st[i]==0) res++;
	}
	else
	for(int i=1;i<=n;i++) if(st[i]==1) res++;
	cout<<res<<endl;
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

3 1
1 2

output:

2

result:

ok 1 number(s): "2"

Test #2:

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

input:

4 3
1 2
2 3
3 4

output:

3

result:

ok 1 number(s): "3"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

100000 1
4647 17816

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

100000 2
64075 72287
63658 66936

output:

0

result:

ok 1 number(s): "0"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

100000 3
59930 72281
31689 59132
20469 33165

output:

3

result:

ok 1 number(s): "3"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

100000 10
20391 78923
27822 80617
21749 25732
12929 79693
42889 52515
59064 99869
29031 41875
4463 17813
13407 42498
19120 20957

output:

0

result:

ok 1 number(s): "0"

Test #7:

score: 0
Accepted
time: 1ms
memory: 4056kb

input:

99999 101
34378 94161
67696 83255
24557 25591
11476 58475
5684 38157
33843 35321
9046 24028
14293 77681
587 42098
9402 27228
6999 13980
27118 84005
3622 8353
13545 51621
16998 63647
32912 53178
15206 15815
56517 86335
5563 93770
153 278
11242 41753
75098 76792
1695 22836
25936 33352
2765 6778
19597 ...

output:

200

result:

ok 1 number(s): "200"

Test #8:

score: 0
Accepted
time: 1ms
memory: 4420kb

input:

100000 1001
298 77037
4590 12413
23983 44856
15445 16769
81205 99801
62678 90775
7513 11129
27455 63264
39986 44211
61692 72309
60465 67632
66675 72861
4281 28582
26376 65551
9751 60666
4388 47945
1077 1132
53716 62874
39894 55139
28957 63412
41201 89573
6166 10477
2322 23039
24579 87570
16337 90895...

output:

1001

result:

ok 1 number(s): "1001"

Test #9:

score: 0
Accepted
time: 1ms
memory: 4480kb

input:

100000 2000
15502 16605
10164 34454
48764 97837
3462 26651
32457 52288
2871 13083
9012 55876
45290 81448
2879 15152
5347 6203
14519 50871
4513 19513
15241 25215
18759 76715
53123 97123
10178 25478
1955 4281
2346 30453
1770 53064
38900 57761
51275 65969
4801 21613
655 1131
15956 52140
39128 47232
416...

output:

0

result:

ok 1 number(s): "0"

Test #10:

score: 0
Accepted
time: 1ms
memory: 4332kb

input:

99999 3000
27340 79581
55921 68664
459 1145
55880 59400
25884 34981
27695 55440
15559 31392
16400 51581
7299 22688
24107 72852
16642 62108
5610 36856
19456 38723
50096 89933
44262 85879
25331 25638
38103 72312
58090 61238
10581 65561
4612 6491
11386 21234
29353 90524
8877 67738
48566 69766
26900 320...

output:

94369

result:

ok 1 number(s): "94369"

Test #11:

score: -100
Wrong Answer
time: 1ms
memory: 4392kb

input:

99999 5001
19 10279
7996 89627
180 1602
29518 35569
60273 86569
11609 16548
32072 50554
59970 95300
27355 42751
29889 66830
14756 14827
27129 28784
16912 94660
54294 61296
34871 47816
8523 17150
46256 82814
32476 48290
13973 34558
168 283
6709 63673
49056 50996
10834 31268
42191 62180
18544 55231
70...

output:

9059

result:

wrong answer 1st numbers differ - expected: '9074', found: '9059'