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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#14928#2017. 排水系统JohnAlfnov100 ✓117ms15636kbC++981.1kb2021-10-27 13:56:192022-05-17 01:15:59

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.
  • [2022-05-17 01:15:59]
  • 评测
  • 测评结果:100
  • 用时:117ms
  • 内存:15636kb
  • [2021-10-27 13:56:19]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
__int128 gcd(__int128 a,__int128 b)
{
	return b==0?a:gcd(b,a%b);
}
struct fract
{
	__int128 a,b;
	void operator+=(fract o)
	{
		__int128 bb=b/gcd(b,o.b)*o.b;
		a=bb/b*a+bb/o.b*o.a;
		__int128 bbb=gcd(a,bb);
		a/=bbb,b=bb/bbb;
	}
	void divi(__int128 x)
	{
		__int128 g=gcd(a,x);
		a/=g,x/=g;
		b*=x;
	}
	fract(__int128 a=0,__int128 b=0):a(a),b(b){}
}ps[100005];
vector<int>g[100005];
int q[1000005],deg[100005];
int main()
{
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	{
		int r;
		scanf("%d",&r);
		for(int j=1;j<=r;j++)
		{
			int u;
			scanf("%d",&u);
			g[i].push_back(u);
			deg[u]++;
		}
	}
	int head=0,tail=0;
	for(int i=1;i<=n;i++)ps[i]=fract(0,1);
	for(int i=1;i<=n;i++)if(!deg[i])
	{
		q[++tail]=i;
		if(i<=m)ps[i]=fract(1,1);
	}
	while(head<tail)
	{
		int p=q[++head];
		fract ff=ps[p];
		ff.divi(g[p].size());
		for(int i=0;i<g[p].size();i++)
		{
			int cu=g[p][i];
			deg[cu]--;
			ps[cu]+=ff;
			if(!deg[cu])q[++tail]=cu;
		}
	}
	for(int i=1;i<=n;i++)if(!g[i].size())
{
double pa=ps[i].a,pb=ps[i].b;
printf("%.0f %.0f\n",pa,pb);}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 10
Accepted
time: 5ms
memory: 9932kb

input:

10 1
4 2 3 4 5
3 6 7 8
3 7 10 8
1 7
2 8 10
2 8 9
2 9 8
1 10
1 10
0

output:

1 1

result:

ok 2 tokens

Test #2:

score: 10
Accepted
time: 2ms
memory: 10080kb

input:

10 1
5 2 3 4 5 7
3 6 7 9
3 7 8 9
3 8 9 6
1 7
2 9 10
2 10 9
0
0
0

output:

2 15
8 15
1 3

result:

ok 6 tokens

Test #3:

score: 10
Accepted
time: 4ms
memory: 10800kb

input:

10 1
5 2 3 4 5 8
4 6 8 7 9
2 7 6
4 8 6 9 10
2 9 8
1 10
0
0
1 10
0

output:

3 20
2 5
9 20

result:

ok 6 tokens

Test #4:

score: 10
Accepted
time: 2ms
memory: 13348kb

input:

1000 1
5 2 3 4 5 468
5 6 7 8 9 72
5 10 11 12 13 658
5 14 15 16 17 100
5 18 19 20 21 129
5 22 23 24 25 146
5 26 27 28 29 91
5 30 31 32 33 337
5 34 35 36 37 694
5 38 39 40 41 766
5 42 43 44 45 986
5 46 47 48 49 365
5 50 51 52 53 176
5 54 55 56 57 489
5 58 59 60 61 469
5 62 63 64 65 984
5 66 67 68 69 2...

output:

1 625
1 625
1 625
1 625
1 625
1 625
1 625
1 3125
1 3125
2 3125
3 3125
2 3125
47 37500
1 2500
1 2500
2 3125
39 6250
2 3125
1 3125
626 3125
83 9375
26 3125
31 3125
2 3125
1 3125
9 6250
3 3125
9 12500
37 18750
1 3125
1 3125
2 3125
9 12500
1 3125
17 6250
33 3125
2 3125
3 3125
1 2500
9 12500
1 3125
13 12...

result:

ok 636 tokens

Test #5:

score: 10
Accepted
time: 2ms
memory: 10096kb

input:

1000 1
5 2 3 4 5 257
5 6 7 8 9 948
5 10 11 12 13 633
5 14 15 16 17 1000
5 18 19 20 21 105
5 22 23 24 25 662
5 26 27 28 29 648
5 30 31 32 33 394
5 34 35 36 37 504
5 38 39 40 41 151
5 42 43 44 45 155
5 46 47 48 49 783
4 50 51 52 53
5 54 55 56 57 249
5 58 59 60 61 432
5 62 63 64 65 423
5 66 67 68 69 70...

output:

1 625
1 625
6 625
2 625
1 625
1 625
1 625
1 625
1 625
1 625
1 500
1 1875
1 1250
1 2500
9 6250
1 2500
7 6250
8 9375
1 3125
1 375
1 2500
1 2000
1 1500
7 7500
4 1875
13 9375
2 3125
1 1500
1 1500
1 1500
1 1500
2 1875
1 1500
9 10000
1 2000
21 10000
9 2500
669 1000000
1 5000
2359 3000000
29 31250
23 15000...

result:

ok 626 tokens

Test #6:

score: 10
Accepted
time: 6ms
memory: 11388kb

input:

1000 1
5 2 3 4 5 799
5 6 7 8 9 587
5 10 11 12 13 694
5 14 15 16 17 865
5 18 19 20 21 10
5 22 23 24 25 69
5 26 27 28 29 337
5 30 31 32 33 607
5 34 35 36 37 989
5 38 39 40 41 291
5 42 43 44 45 309
5 46 47 48 49 44
5 50 51 52 53 854
5 54 55 56 57 209
5 58 59 60 61 502
5 62 63 64 65 597
5 66 67 68 69 60...

output:

1 625
1 625
1 625
1 625
1 625
1 625
2 625
6 625
9 6250
9 2500
1 2000
9 10000
1 2500
1 2500
1 2500
2 1875
3 1250
1 500
3 3125
47 37500
8 9375
1 3125
1 3125
1 750
67 37500
1 2500
3 3125
1 1250
1 300
2 3125
41 18750
2 1875
89 37500
11 9375
16 1875
8 9375
1 2500
1 2500
1 3125
29 6250
1 1000
1 1000
7 500...

result:

ok 652 tokens

Test #7:

score: 10
Accepted
time: 95ms
memory: 13152kb

input:

100000 1
5 2 3 4 5 7783
5 6 7 8 9 21991
5 10 11 12 13 45651
5 14 15 16 17 56745
5 18 19 20 21 84002
5 22 23 24 25 94984
5 26 27 28 29 16303
5 30 31 32 33 30894
5 34 35 36 37 37939
5 38 39 40 41 61574
5 42 43 44 45 72828
5 46 47 48 49 92611
5 50 51 52 53 11795
5 54 55 56 57 22587
5 58 59 60 61 36800
...

output:

1 15625
1 15625
1 15625
1 15625
1 15625
1 78125
1 62500
1 78125
1 78125
1 78125
1 78125
1 78125
2 78125
1 78125
7 234375
6 390625
1 390625
1 390625
1 390625
1 390625
2 390625
2 390625
2 390625
1 312500
1 390625
1 156250
7 781250
1 390625
1 390625
7 390625
2 390625
1 390625
1 390625
6 390625
33 39062...

result:

ok 93056 tokens

Test #8:

score: 10
Accepted
time: 110ms
memory: 15636kb

input:

100000 1
5 2 3 4 5 6025
5 6 7 8 9 32221
5 10 11 12 13 39240
5 14 15 16 17 55392
5 18 19 20 21 69386
5 22 23 24 25 97544
5 26 27 28 29 16414
5 30 31 32 33 32966
5 34 35 36 37 41376
5 38 39 40 41 66116
5 42 43 44 45 83340
5 46 47 48 49 90236
5 50 51 52 53 13716
5 54 55 56 57 32168
5 58 59 60 61 43106
...

output:

1 12500
1 15625
1 15625
1 15625
1 15625
1 12500
1 15625
1 12500
1 12500
1 15625
1 15625
1 15625
1 12500
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 15625
1 12500
1 8000
1 15625
1 15625
1 15625
1 15625
1 156...

result:

ok 84746 tokens

Test #9:

score: 10
Accepted
time: 115ms
memory: 13176kb

input:

100000 10
5 11 12 13 14 15
3 66 67 68
4 96 97 98 99
5 1274 1643 2223 2242 2626
5 5407 8119 10748 19818 29900
5 178 180 316 323 1080
5 274 596 716 1923 2001
5 1497 8384 9739 16776 18532
5 165 211 240 289 985
5 170 179 197 222 1011
5 16 17 18 19 20
5 164 322 540 590 1641
5 340 4731 14181 50729 55910
5...

output:

1 48828125
2538341 10546875000
15673 2343750000
759673 2343750000
54145169317349 3023308800000000000
1 59049
1 1048576
2003363 600000000000
790936213 3686400000000
7805087 150000000000
233 390625000
68035921 737280000000
173243 37500000000
938137 585937500
122493287 759375000000
6499 1171875000
8570...

result:

ok 64816 tokens

Test #10:

score: 10
Accepted
time: 117ms
memory: 13836kb

input:

100000 10
5 11 12 13 14 15
3 66 67 68
4 98 99 100 101
5 193 213 239 613 1656
5 187 259 453 513 3129
5 148 606 2076 5693 30126
5 748 1455 3800 4919 8049
5 264 419 516 868 1222
5 260 19073 24446 65904 50227
5 196 4456 4784 83171 95673
5 16 17 18 19 20
5 182 277 388 1070 2021
5 279 1317 4410 14701 2557...

output:

1 48828125
1 48828125
191216299 675000000000
3778533703 48600000000000
214192764230063 36279705600000000000
1 59049
74674 2767921875
8222897 553584375000
1 1048576
720274069 2949120000000
1058701 42467328000
130372058357 663552000000000
45101357 409600000000
3563743 14062500000
946441 81920000000
27...

result:

ok 64158 tokens

Extra Test:

score: 0
Extra Test Passed