QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#696256 | #9315. Rainbow Bracket Sequence | _Joanna_ | RE | 1ms | 4112kb | C++20 | 3.4kb | 2024-10-31 21:57:38 | 2024-10-31 21:57:38 |
Judging History
answer
#include <bits/stdc++.h>
#define marry return
#define int long long
#define lowbit(x) (x&-x)
inline int read(){
int x=0,f=1;
char ch=getchar();
while(ch<48||ch>57)f=ch=='-'?-1:1,ch=getchar();
while(ch>=48&&ch<=57)x=x*10+(ch^48),ch=getchar();
return x*f;}
using namespace std;
const int inf=1e18;
const int F=0;
const int mod=114514;
int S,T;
struct node{
int nx,to,v,k;
}w[1005];
int head[205];
int t=1;
void add(int a,int b,int v,int k)
{
// printf("%d %d %d\n",a,b,v);
w[++t]={head[a],b,v,k},head[a]=t;
w[++t]={head[b],a,0,-k},head[b]=t;
}
struct point{
int dis,p;
const bool operator >(const point &s)
const { marry dis>s.dis; }
};
int h[205],dis[205],frm[205];
priority_queue<point,vector<point>,greater<point>>q;
bool bfs()
{
for(int i=1;i<=T;++i) //warning
dis[i]=inf,frm[i]=-1;
frm[S]=0;
dis[S]=0;
q.push({0,S});
while(!q.empty())
{
auto s=q.top();
q.pop();
if(s.dis>dis[s.p])
continue;
dis[s.p]=s.dis;
for(int i=head[s.p];i;i=w[i].nx)
{
if(!w[i].v)
continue;
int vi=w[i].to;
if(dis[s.p]+h[vi]-h[s.p]+w[i].k>=dis[vi])
continue;
dis[vi]=dis[s.p]+h[vi]-h[s.p]+w[i].k;
q.push({dis[vi],vi});
frm[vi]=i;
}
}
marry frm[T]!=-1;
}
bool vis[205];
void spfa()
{
queue<int>q;
q.push(S);
for(int i=1;i<=T;++i)//warning
dis[i]=inf;
vis[S]=1,dis[S]=0;
while(!q.empty())
{
int s=q.front();
q.pop();
vis[s]=0;
for(int i=head[s];i;i=w[i].nx)
{
if(!w[i].v)
continue;
int vi=w[i].to;
if(dis[vi]>dis[s]+w[i].k)
{
dis[vi]=dis[s]+w[i].k;
if(!vis[vi])
q.push(vi),
vis[vi]=1;
}
}
}
}
pair<int,int> minumcostflow()
{
spfa();
for(int i=1;i<=T;++i)//warning
h[i]=dis[i];
int res1=0,res2=0;
while(bfs())
{
int mn=inf;
for(int s=T;s!=S;)
{
int vi=s;
s=w[frm[vi]^1].to;
mn=min(mn,w[frm[vi]].v);
}
res1+=mn;
for(int s=T;s!=S;)
{
int vi=s;
s=w[frm[vi]^1].to;
res2+=mn*w[frm[vi]].k;
w[frm[vi]].v-=mn;
w[frm[vi]^1].v+=mn;
}
for(int i=1;i<=T;++i)//warning
h[i]=dis[i];
}
marry {res1,res2};
}
void clear()
{
t=1;
for(int i=1;i<=T;++i)
head[i]=0;
S=T=0;
}
int n,m;
int a[105],b[105];
int tc;
void solve()
{
n=read(),m=read();
clear();
S=1;
T=2;
add(S,T,n,0);
for(int i=1;i<=m;++i)
b[i]=-read();
for(int i=1;i<=2*n;++i)
a[i]=read(),++b[a[i]];
for(int i=1;i<=m;++i)
{
++T;
add(2,T,b[i],0);
}
int sum=0;
for(int i=1;i<=2*n;++i)
{
++T;
int tep=read();
sum+=tep;
add(a[i]+2,T,1,tep);
}
for(int i=1;i<=m;++i)
if(b[i]<0)
marry puts("-1"),void();
for(int i=1;i<2*n;++i)
{
int p1=T-2*n+i,p2=T-2*n+i+1;
add(p1,p2,i/2,0);
}
// printf("%d %d\n",S,T);
auto ans=minumcostflow();
// printf("%d %d\n",ans.first,ans.second);
if(ans.first!=n)
puts("-1");
else
printf("%lld\n",sum-ans.second);
}
signed main()
{
tc=read();
while(tc--)
solve();
marry F;
}
/*
4
3 3
2 0 1
1 3 2 3 3 3
1 3 2 45 1 1
8 6
0 2 2 0 3 1
3 5 1 1 5 3 5 2 3 2 2 1 2 2 4 6
998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375
1 1
1
1 1
343766215 374461155
3 1
2
1 1 1 1 1 1
796323508 303640854 701432076 853325162 6101214 1322
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3808kb
input:
2 3 2 1 2 1 2 2 2 1 2 3 1 4 2 2 1 3 2 2 2 1 2 2 2 1 2 3 1 4 2 2 1
output:
9 -1
result:
ok 2 number(s): "9 -1"
Test #2:
score: 0
Accepted
time: 1ms
memory: 4032kb
input:
50 8 6 0 2 2 0 3 1 3 5 1 1 5 3 5 2 3 2 2 1 2 2 4 6 998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375 1 1 1 1 1 343766215 374461155 3 1 2 1 1 1 1 1 1 796323508 303640854 701432076 853325162 610...
output:
-1 343766215 2351080746 3426965219 -1 -1 1351561190 2539318868 1013080942 4656646546 -1 -1 2231197660 2719131728 3983627641 4712174168 -1 1046749330 6115214757 3920988203 -1 3902088946 -1 2566553992 5268471900 5977120748 7505501534 -1 5054275471 1467678317 883992368 1044562986 -1 4024634503 -1 14472...
result:
ok 50 numbers
Test #3:
score: 0
Accepted
time: 1ms
memory: 4040kb
input:
25 20 4 0 0 0 1 2 2 2 2 4 4 4 1 2 2 2 1 3 4 1 3 4 4 3 1 3 2 1 4 2 2 4 1 2 2 3 3 4 1 3 1 4 1 2 1 569363376 821862673 89663213 862407789 442940149 823902948 903631686 838830270 645793571 397350060 806574247 373166844 448916252 435880456 969841293 998227951 276194969 654967687 396909705 696186514 16992...
output:
16418796680 10558213381 -1 1502390329 8534183652 13571062458 8007768610 12656453595 3378659874 8410746077 12352187024 5743130624 5952844559 2285684441 4242613506 836778846 4838639494 8586807028 8535185475 8089358175 5627473863 14399529671 -1 11483578919 4919631490
result:
ok 25 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 4052kb
input:
83 6 5 1 0 1 1 0 2 4 4 5 3 2 4 5 3 3 3 3 597659626 649040970 33207011 223207847 960704874 418600362 658594226 417168695 767527655 622701955 867509363 235369723 6 2 0 0 1 1 2 2 2 2 1 1 1 2 2 1 405752009 976807343 267881918 26193206 947664189 555835767 587219021 231445627 755417826 541362608 846129246...
output:
-1 4518989634 3550182642 4529809699 4042429510 4145000717 -1 3635082691 -1 -1 3476472607 3732904849 3631909633 4479534795 3586223781 3380039505 2946284506 3615784040 -1 -1 -1 4940773463 3195952843 4073152216 4177883697 3398540362 3578975642 4308395607 -1 3078447178 3069102942 3135294474 5256676097 -...
result:
ok 83 numbers
Test #5:
score: 0
Accepted
time: 1ms
memory: 4112kb
input:
71 7 4 0 1 0 4 3 4 1 1 4 4 2 4 1 1 1 4 4 4 580852652 638740575 585501313 439482552 637837864 335796176 447934224 259084035 778210267 469729886 908657968 750731414 508195022 701461051 7 6 0 1 1 0 0 1 3 2 4 3 5 3 1 1 5 4 3 1 6 1 198076752 601490845 123074777 392892100 148645775 938575995 355185760 558...
output:
4300550873 4711297430 -1 4468072610 4652801753 4661069155 5134971483 4367382968 4983190626 3065242360 -1 -1 4834379200 4355918462 -1 3592789392 3058869770 -1 3825913893 -1 4785350296 -1 4759459279 5342744097 4716826205 4873131448 5329193547 4821943641 3777324532 4115469556 -1 -1 -1 5061832610 520025...
result:
ok 71 numbers
Test #6:
score: 0
Accepted
time: 1ms
memory: 3744kb
input:
62 8 3 0 2 0 3 3 3 1 1 1 3 2 1 2 2 1 1 2 1 1 222368048 906033133 8623893 807375696 461796409 362923880 194114590 733391789 137574156 670510137 237249112 673135534 595041001 875171159 112263159 649035661 8 6 2 1 0 0 0 0 3 5 2 2 1 3 3 3 6 4 5 5 1 2 5 4 28938721 556768926 23366504 887715271 624732370 3...
output:
5349781905 4269103485 4384563617 5171071054 4895598910 4667548481 -1 4157414045 -1 3927911942 -1 5127481462 5534185037 6071114899 4515756162 5965926191 -1 5617252300 5920664214 5826871785 5730385164 5947153970 5426721265 5820040011 5677486289 5193366586 6129016249 5739984903 5993708705 5520537026 54...
result:
ok 62 numbers
Test #7:
score: 0
Accepted
time: 1ms
memory: 3804kb
input:
55 9 9 2 2 0 0 0 0 0 2 0 6 2 3 9 5 4 2 4 1 1 4 7 1 4 5 8 6 2 907208811 754008138 161288468 562810007 149992530 997421612 144383292 832081887 228097972 446662965 77258752 375836694 743196568 527846851 580675905 438791943 977960026 39388076 9 6 0 1 0 0 0 0 5 3 3 4 3 6 5 4 6 5 2 5 6 5 5 1 2 2 861149655...
output:
-1 5600105080 -1 7505123959 7048625501 4827971490 -1 7031642652 -1 6001013535 -1 -1 6353971413 5896906204 3896102243 6540293759 5621534278 6599175212 -1 6721932183 6965230904 5681597954 8167088460 5632185532 -1 4750725522 6285591217 6320310809 6388859035 4686377743 5728065266 5503485599 6260485694 6...
result:
ok 55 numbers
Test #8:
score: 0
Accepted
time: 1ms
memory: 3752kb
input:
50 10 8 0 0 1 0 0 0 1 0 1 6 7 7 2 2 1 1 3 1 1 3 7 5 4 1 8 4 7 2 535526356 404334728 653535984 998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375 546951131 10 5 0 0 1 1 0 4 5 5 3 5 1 3 3 5 1 1 5...
output:
7267674502 6912276073 -1 -1 8427372986 -1 7057744914 6452405474 7564223610 7193916415 -1 5496837745 6671753900 7137256654 6574886409 7690341704 7357840728 8164970807 7172570060 6778745196 7668051341 6936083804 7305907682 7631088969 5717910532 6156605721 6923807013 -1 8207034493 -1 7418567782 6923770...
result:
ok 50 numbers
Test #9:
score: 0
Accepted
time: 0ms
memory: 3752kb
input:
33 15 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 985238289 459697693 970988548 370603489 160471107 36299429 908579552 62669495 649913003 478356148 805843616 136680216 158560673 261854484 857048420 32835236 430050478 327696352 417017537 857880465 568473106 750242567 865990206 869...
output:
11069294141 9757752433 10517453854 10675484732 9851733289 11571987501 10382709663 11006679388 9835650684 10482963923 10190220836 11857634113 -1 -1 10077553084 9896319722 11821564137 11828952526 9761971634 9940132164 -1 -1 9227926173 13037241524 11565236192 11800412693 12028054248 11502933189 9949512...
result:
ok 33 numbers
Test #10:
score: 0
Accepted
time: 1ms
memory: 3752kb
input:
25 20 20 3 0 0 1 0 0 0 0 0 3 0 0 1 2 0 1 0 2 2 4 12 19 17 19 14 5 16 6 6 20 13 2 14 7 19 16 17 7 13 16 9 6 5 16 13 13 9 9 8 6 10 11 20 7 4 12 16 13 11 9 654967687 396909705 696186514 169923749 8142639 81507010 67587218 966803487 991350519 551259762 962079443 918589 708293964 213990501 934701547 8468...
output:
-1 14023274173 12588200963 13988453624 15030243485 13076569052 -1 -1 13842307153 -1 12832546330 14189266584 16492323989 16163650514 14012035305 -1 -1 -1 13929001098 13862644942 -1 15246522629 -1 13299413733 -1
result:
ok 25 numbers
Test #11:
score: -100
Runtime Error
input:
5 100 15 3 5 8 6 7 7 5 3 2 6 5 3 11 4 8 8 13 6 13 2 3 1 8 15 12 13 14 10 12 4 4 8 8 9 2 15 3 4 10 8 5 2 5 11 11 2 13 10 7 12 11 4 2 9 4 15 5 15 13 9 6 7 6 2 12 6 1 6 13 9 7 2 2 11 11 10 1 3 12 8 7 2 13 2 5 3 13 5 11 5 2 3 1 14 7 11 5 11 2 14 2 14 6 4 6 3 8 14 4 8 3 14 10 7 8 3 6 3 10 4 15 1 7 7 15 7...