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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
#621901#6545. Connect the DotscjxWA 0ms4080kbC++201.6kb2024-10-08 18:04:302024-10-08 18:04:30

Judging History

你现在查看的是最新测评结果

  • [2024-10-08 18:04:30]
  • 评测
  • 测评结果：WA
  • 用时：0ms
  • 内存：4080kb
查看
  • [2024-10-08 18:04:30]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;
long long read(){
	long long x=0,f=1;char ch=getchar();
	while(!isdigit(ch))
	{if(ch=='-') f=-1;ch=getchar();}
	while(isdigit(ch)){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
void write(long long x){
    if(x<0) putchar('-'),x=-x;
    if(x>9) write(x/10);
    putchar(x%10+'0');
}
const int N=150;
int T,n,m;
int a[N],ans,cnt[N],z[N],tp,del[N];
vector<pair<int,int> >fan;
queue<int>q;
int main(){
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	T=read();
	while(T--){
		n=read();m=read();
		for(int i=1;i<=m;i++)cnt[i]=0;
		for(int i=1;i<=n;i++){
			a[i]=read();
			cnt[a[i]]++;
			del[i]=0;
		}
		fan.clear();
		while (q.size())q.pop();
		for(int i=1;i<n;i++){
			if(a[i]^a[i+1])fan.push_back(make_pair(i,i+1));
		}
		tp=0;
		for(int i=1;i<=n;i++){
			bool flag=0;
			while(tp>1&&a[z[tp-1]]!=a[i]){
				if(cnt[a[z[tp]]]==1){
					flag=1;
					int l=z[tp],r=z[tp];
					for(int j=z[tp]-1;j>=1;j--){
						if(!del[j]){
							if(l!=z[tp])fan.push_back(make_pair(z[tp],j));
							l=j;
						}
					}
					for(int j=z[tp]+1;j<=n;j++){
						if(!del[j]){
							if(r!=z[tp])fan.push_back(make_pair(z[tp],j));
							r=j;
						}
					}
					if(a[l]!=a[r]&&l!=z[tp]&&r!=z[tp])fan.push_back(make_pair(l,r));
					break;
				}
				cnt[a[z[tp]]]--;del[z[tp]]=1;fan.push_back(make_pair(z[tp-1],i));tp--;
			}
			if(flag)break;
			z[++tp]=i;
		}
		for(int i=4;i<=tp;i+=2)fan.push_back(make_pair(z[1],z[i]));
		write(fan.size());puts("");
		for(auto x:fan){
			printf("%d %d\n",x.first,x.second);
		}
	}
	return 0;
}
源文件, 语言: C++20

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3672kb

input:

3
4 2
1 1 2 2
4 2
1 2 1 2
3 3
1 2 3

output:

3
2 3
1 3
1 4
4
1 2
2 3
3 4
1 4
3
1 2
2 3
1 3

result:

ok all 3 test passed

Test #2:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

1
2 2
1 2

output:

1
1 2

result:

ok all 1 test passed

Test #3:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

10
5 2
2 2 2 1 2
5 2
2 1 2 1 2
5 2
1 2 2 2 1
5 2
2 1 2 1 1
5 2
1 1 1 2 1
5 2
1 2 2 1 2
5 2
2 1 1 2 2
5 2
2 2 2 1 1
5 2
1 1 2 1 2
5 2
1 2 2 2 1

output:

4
3 4
4 5
2 4
1 4
5
1 2
2 3
3 4
4 5
1 4
4
1 2
4 5
1 3
1 4
5
1 2
2 3
3 4
3 5
1 5
4
3 4
4 5
2 4
1 4
5
1 2
3 4
4 5
1 3
1 5
4
1 2
3 4
1 3
3 5
4
3 4
2 4
1 4
1 5
5
2 3
3 4
4 5
1 3
1 5
4
1 2
4 5
1 3
1 4

result:

ok all 10 test passed

Test #4:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

10
7 2
1 2 1 1 1 2 1
7 2
1 1 2 1 2 1 2
7 2
2 2 1 1 2 1 1
7 2
1 1 1 2 2 1 1
7 2
1 2 2 1 2 2 1
7 2
2 1 2 2 2 2 1
7 2
1 2 1 2 2 2 2
7 2
2 2 1 2 1 2 1
7 2
2 1 1 2 1 2 2
7 2
2 2 1 2 1 1 2

output:

7
1 2
2 3
5 6
6 7
2 4
2 5
1 6
8
2 3
3 4
4 5
5 6
6 7
1 3
1 5
1 7
7
2 3
4 5
5 6
1 3
1 4
5 7
1 7
6
3 4
5 6
2 4
1 4
1 5
5 7
7
1 2
3 4
4 5
6 7
1 3
4 6
1 6
7
1 2
2 3
6 7
2 4
2 5
2 6
1 7
7
1 2
2 3
3 4
3 5
3 6
3 7
1 7
8
2 3
3 4
4 5
5 6
6 7
1 3
1 5
1 7
7
1 2
3 4
4 5
5 6
1 3
5 7
1 5
7
2 3
3 4
4 5
6 7
1 3
4 6
...

result:

ok all 10 test passed

Test #5:

score: 0
Accepted
time: 0ms
memory: 3724kb

input:

10
9 2
1 1 1 2 1 2 2 1 2
9 2
1 2 1 1 2 2 2 2 1
9 2
2 1 2 1 1 2 1 2 1
9 2
1 1 2 1 1 1 1 2 2
9 2
1 1 2 2 1 2 1 2 2
9 2
2 2 1 2 1 2 2 2 2
9 2
1 1 2 2 2 1 2 1 2
9 2
1 1 2 1 1 2 2 2 2
9 2
1 1 1 1 2 1 1 2 1
9 2
2 1 2 2 1 1 2 2 1

output:

10
3 4
4 5
5 6
7 8
8 9
2 4
1 4
5 7
1 7
1 9
9
1 2
2 3
4 5
8 9
2 4
4 6
4 7
4 8
1 8
11
1 2
2 3
3 4
5 6
6 7
7 8
8 9
3 5
1 5
1 7
1 9
9
2 3
3 4
7 8
1 3
3 5
3 6
3 7
7 9
1 9
10
2 3
4 5
5 6
6 7
7 8
1 3
1 4
7 9
1 6
1 9
9
2 3
3 4
4 5
5 6
1 3
5 7
5 8
5 9
1 5
10
2 3
5 6
6 7
7 8
8 9
1 3
1 4
1 5
1 7
1 9
9
2 3
3 4
...

result:

ok all 10 test passed

Test #6:

score: 0
Accepted
time: 0ms
memory: 4080kb

input:

1
5 2
1 1 2 2 1

output:

4
2 3
4 5
1 3
1 4

result:

ok all 1 test passed

Test #7:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

1
7 2
2 1 1 2 1 1 2

output:

7
1 2
3 4
4 5
6 7
1 3
4 6
1 6

result:

ok all 1 test passed

Test #8:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

1
9 2
2 1 1 2 1 1 1 2 2

output:

9
1 2
3 4
4 5
7 8
1 3
4 6
4 7
7 9
1 7

result:

ok all 1 test passed

Test #9:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

4
20 2
2 1 1 2 1 2 1 1 2 1 1 1 1 2 2 2 1 1 2 2
20 2
2 1 2 2 2 1 1 2 2 2 1 2 2 2 2 1 2 2 1 2
20 2
2 2 1 1 2 2 1 1 1 1 1 2 1 1 2 2 1 2 1 1
20 2
2 1 2 2 2 1 2 2 1 1 1 2 1 2 2 1 2 1 1 2

output:

23
1 2
3 4
4 5
5 6
6 7
8 9
9 10
13 14
16 17
18 19
1 3
6 8
9 11
9 12
9 13
13 15
13 16
16 18
18 20
1 5
1 8
1 13
1 18
23
1 2
2 3
5 6
7 8
10 11
11 12
15 16
16 17
18 19
19 20
2 4
2 5
5 7
7 9
7 10
11 13
11 14
11 15
16 18
1 7
1 11
1 16
1 19
23
2 3
4 5
6 7
11 12
12 13
14 15
16 17
17 18
18 19
1 3
1 4
4 6
6 8...

result:

ok all 4 test passed

Test #10:

score: 0
Accepted
time: 0ms
memory: 3716kb

input:

4
100 2
2 2 2 1 2 1 1 1 1 2 2 1 2 2 2 1 2 2 2 2 1 1 1 2 2 1 1 2 1 1 2 1 2 2 1 1 1 2 1 2 1 1 2 1 2 1 2 1 2 1 1 1 1 2 1 1 1 2 2 2 1 2 2 2 1 1 1 2 1 2 1 2 2 1 2 2 1 1 2 1 1 1 1 2 2 1 2 1 1 2 2 1 2 2 1 2 1 2 2 2
100 2
2 1 1 1 1 1 2 2 2 1 2 1 2 2 1 2 2 1 1 1 1 2 1 1 1 2 2 1 1 2 1 1 2 1 1 2 1 1 1 1 1 2 1 ...

output:

126
3 4
4 5
5 6
9 10
11 12
12 13
15 16
16 17
20 21
23 24
25 26
27 28
28 29
30 31
31 32
32 33
34 35
37 38
38 39
39 40
40 41
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
53 54
54 55
57 58
60 61
61 62
64 65
67 68
68 69
69 70
70 71
71 72
73 74
74 75
76 77
78 79
79 80
83 84
85 86
86 87
87 88
89 90
91 ...

result:

ok all 4 test passed

Test #11:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

1
100 2
2 2 1 1 2 2 2 1 1 2 1 1 1 2 2 1 2 2 2 1 1 2 2 1 1 2 2 2 1 2 1 1 2 1 1 2 2 1 2 1 1 2 1 2 2 1 2 2 2 2 1 2 1 2 1 1 2 1 1 1 1 1 2 2 2 1 1 2 1 2 2 2 2 1 1 2 2 2 1 1 2 2 2 1 2 2 1 2 1 2 1 2 2 2 1 2 2 2 1 1

output:

125
2 3
4 5
7 8
9 10
10 11
13 14
15 16
16 17
19 20
21 22
23 24
25 26
28 29
29 30
30 31
32 33
33 34
35 36
37 38
38 39
39 40
41 42
42 43
43 44
45 46
46 47
50 51
51 52
52 53
53 54
54 55
56 57
57 58
62 63
65 66
67 68
68 69
69 70
73 74
75 76
78 79
80 81
83 84
84 85
86 87
87 88
88 89
89 90
90 91
91 92
94 ...

result:

ok all 1 test passed

Test #12:

score: 0
Accepted
time: 0ms
memory: 3728kb

input:

1
100 2
1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1

output:

123
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
95 96
97 98
99 100
1 3
...

result:

ok all 1 test passed

Test #13:

score: -100
Wrong Answer
time: 0ms
memory: 3596kb

input:

1
200 2
1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 ...

output:

0

result:

wrong answer output = 0, answer = 208.
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