QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#14928 | #2017. 排水系统 | JohnAlfnov | 100 ✓ | 117ms | 15636kb | C++98 | 1.1kb | 2021-10-27 13:56:19 | 2022-05-17 01:15:59 |
Judging History
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