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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#120814 | #6660. 택시 여행 | zhouhuanyi# | 0 | 776ms | 374048kb | C++11 | 6.4kb | 2023-07-07 11:31:16 | 2024-07-04 00:25:17 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<vector>
#include<queue>
#include<set>
#include<algorithm>
#define N 1000000
#define inf 2e18
#define INF 1e9
using namespace std;
struct node
{
int num,data,snum;
};
struct reads
{
int num;
long long data;
bool operator < (const reads &t)const
{
return data>t.data;
}
};
struct points
{
int x;
long long y;
bool operator < (const points &t)const
{
return x!=t.x?x<t.x:y<t.y;
}
};
int n,cater,length,rt,sx,sy,smz,szt,nums,ds,fa[N+1],b[N+1],sz[N+1],maxp[N+1],ls[N+1],rs[N+1],ps[N+1],ps2[N+1],minn;
long long a[N+1],dis[N+1],depth[N+1];
bool used[N+1],vis[N+1],vst[N+1];
vector<node>E[N+1];
vector<node>ES[N+1];
vector<reads>A[N+1];
vector<reads>B[N+1];
vector<long long>depths[N+1];
set<points>s1[N+1];
set<points>s2[N+1];
priority_queue<reads>q;
void add(int x,int y,int z,int w)
{
E[x].push_back((node){y,z,w}),E[y].push_back((node){x,z,w});
return;
}
void add2(int x,int y,int z)
{
++cater,ES[x].push_back((node){y,z,cater}),ES[y].push_back((node){x,z,cater});
return;
}
void dfs(int x)
{
int nw=0;
vis[x]=1;
for (int i=0;i<E[x].size();++i)
if (!vis[E[x][i].num])
{
dfs(E[x][i].num),++length,add2(length,E[x][i].num,E[x][i].data);
if (nw) add2(length,nw,0);
nw=length;
}
if (nw) add2(x,nw,0);
vis[x]=0;
return;
}
void get_rt(int x)
{
vis[x]=sz[x]=1;
for (int i=0;i<ES[x].size();++i)
if (!used[ES[x][i].snum]&&!vis[ES[x][i].num])
{
get_rt(ES[x][i].num),sz[x]+=sz[ES[x][i].num];
if (max(sz[ES[x][i].num],smz-sz[ES[x][i].num])<minn) minn=max(sz[ES[x][i].num],smz-sz[ES[x][i].num]),sx=x,sy=ES[x][i].num,nums=ES[x][i].snum,ds=ES[x][i].data,szt=sz[ES[x][i].num];
}
vis[x]=0;
return;
}
void dfs2(int x)
{
if (x<=n) depths[x].push_back(depth[x]),A[length].push_back((reads){x,depth[x]});
vis[x]=1;
for (int i=0;i<ES[x].size();++i)
if (!used[ES[x][i].snum]&&!vis[ES[x][i].num])
depth[ES[x][i].num]=depth[x]+ES[x][i].data,dfs2(ES[x][i].num);
vis[x]=0;
return;
}
void dfs3(int x)
{
if (x<=n) depths[x].push_back(depth[x]),B[length].push_back((reads){x,depth[x]});
vis[x]=1;
for (int i=0;i<ES[x].size();++i)
if (!used[ES[x][i].snum]&&!vis[ES[x][i].num])
depth[ES[x][i].num]=depth[x]+ES[x][i].data,dfs3(ES[x][i].num);
vis[x]=0;
return;
}
bool cmp(reads a,reads b)
{
return a.data<b.data;
}
int solve(int x,int y)
{
int d1=smz-szt,d2=szt,nw=++length;
used[nums]=1,depth[x]=ds,depth[y]=0,dfs2(x),dfs3(y),sort(A[nw].begin(),A[nw].end(),cmp),sort(B[nw].begin(),B[nw].end(),cmp);
smz=d1,minn=INF;
if (smz!=1) get_rt(x),ls[nw]=solve(sx,sy);
else ls[nw]=x;
smz=d2,minn=INF;
if (smz!=1) get_rt(y),rs[nw]=solve(sx,sy);
else rs[nw]=y;
fa[ls[nw]]=fa[rs[nw]]=nw;
return nw;
}
bool check(points a,points b,points c)
{
return 1ll*(b.y-a.y)*(c.x-a.x)>=1ll*(c.y-a.y)*(b.x-a.x);
}
bool checks(points a,points b,long long d)
{
return b.y-a.y>=1ll*(b.x-a.x)*d;
}
void get(int x,int k,long long b)
{
while (s1[x].size()>=2)
{
auto it=s1[x].lower_bound((points){k,b});
if (it!=s1[x].end())
{
auto it2=it;
it2++;
if (it2!=s1[x].end())
{
if (check((points){k,b},*it,*it2)) s1[x].erase(it);
else break;
}
else break;
}
else break;
}
while (s1[x].size()>=2)
{
auto it=s1[x].lower_bound((points){k,b});
if (it!=s1[x].begin())
{
it--;
if (it!=s1[x].begin())
{
auto it2=it;
it2--;
if (check(*it2,*it,(points){k,b})) s1[x].erase(it);
else break;
}
else break;
}
else break;
}
s1[x].insert((points){k,b});
return;
}
void get2(int x,int k,long long b)
{
while (s2[x].size()>=2)
{
auto it=s2[x].lower_bound((points){k,b});
if (it!=s2[x].end())
{
auto it2=it;
it2++;
if (it2!=s2[x].end())
{
if (check((points){k,b},*it,*it2)) s2[x].erase(it);
else break;
}
else break;
}
else break;
}
while (s2[x].size()>=2)
{
auto it=s2[x].lower_bound((points){k,b});
if (it!=s2[x].begin())
{
it--;
if (it!=s2[x].begin())
{
auto it2=it;
it2--;
if (check(*it2,*it,(points){k,b})) s2[x].erase(it);
else break;
}
else break;
}
else break;
}
s2[x].insert((points){k,b});
return;
}
long long query(int x,long long d)
{
if (s1[x].empty()) return inf;
while (s1[x].size()>=2)
{
auto it=s1[x].end();
it--;
auto it2=it;
it2--;
if (checks(*it2,*it,-d)) s1[x].erase(it);
else break;
}
auto it=s1[x].end();
it--;
return 1ll*(*it).x*d+(*it).y;
}
long long query2(int x,long long d)
{
if (s2[x].empty()) return inf;
while (s2[x].size()>=2)
{
auto it=s2[x].end();
it--;
auto it2=it;
it2--;
if (checks(*it2,*it,-d)) s2[x].erase(it);
else break;
}
auto it=s2[x].end();
it--;
return 1ll*(*it).x*d+(*it).y;
}
void adder(int x)
{
int y=x,cl;
long long d;
for (int i=(int)(depths[x].size())-1;i>=0;--i)
{
cl=(rs[fa[y]]==y),y=fa[y];
if (!cl) get2(y,b[x],dis[x]+a[x]+1ll*b[x]*depths[x][i]);
else get(y,b[x],dis[x]+a[x]+1ll*b[x]*depths[x][i]);
while (ps[y]<A[y].size()&&vst[A[y][ps[y]].num]) ps[y]++;
if (ps[y]<A[y].size())
{
d=query(y,A[y][ps[y]].data);
if (d<dis[A[y][ps[y]].num]) dis[A[y][ps[y]].num]=d,q.push((reads){A[y][ps[y]].num,d});
}
while (ps2[y]<B[y].size()&&vst[B[y][ps2[y]].num]) ps2[y]++;
if (ps2[y]<B[y].size())
{
d=query2(y,B[y][ps2[y]].data);
if (d<dis[B[y][ps2[y]].num]) dis[B[y][ps2[y]].num]=d,q.push((reads){B[y][ps2[y]].num,d});
}
}
return;
}
void dijkstra()
{
int top;
for (int i=1;i<=n;++i) dis[i]=inf;
dis[1]=0,q.push((reads){1,0});
while (!q.empty())
{
top=q.top().num,q.pop();
if (vst[top]) continue;
vst[top]=1,adder(top);
}
return;
}
std::vector<long long> travel(std::vector<long long>A,std::vector<int>B,std::vector<int>U,std::vector<int>V,std::vector<int>W)
{
length=n=A.size();
vector<long long>qry(n-1);
for (int i=1;i<=n;++i) a[i]=A[i-1],b[i]=B[i-1];
for (int i=1;i<=n-1;++i) add(U[i-1]+1,V[i-1]+1,W[i-1],i);
dfs(1);
smz=length,minn=INF,get_rt(1),rt=solve(sx,sy),dijkstra();
for (int i=2;i<=n;++i) qry[i-2]=dis[i];
return qry;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 7
Accepted
time: 30ms
memory: 235904kb
input:
2 684124582850 713748627948 74361 256955 0 1 661088
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 733283747618 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 20ms
memory: 235860kb
input:
3 251115773325 363097865287 358609487841 826785 213106 914768 0 1 851938 2 0 231697
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 955485332655 442679377470 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 4 lines
Test #3:
score: 0
Accepted
time: 24ms
memory: 232900kb
input:
3 489998888627 318672977903 70353752652 258347 458793 258657 2 1 156120 0 2 524840
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 665922861747 625589728107 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 4 lines
Test #4:
score: 0
Accepted
time: 30ms
memory: 232568kb
input:
3 737471938521 315388610250 818943569900 726908 666797 564862 0 1 460302 0 2 785280
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 1072069144737 1308298252761 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 4 lines
Test #5:
score: 0
Accepted
time: 19ms
memory: 232488kb
input:
4 201836820267 208957719162 992553400562 566050337171 243994 65303 590123 936951 1 0 259719 0 3 860376 3 2 513584
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 265206697953 537074816507 411763402011 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 5 lines
Test #6:
score: 0
Accepted
time: 24ms
memory: 236072kb
input:
4 440719935569 160237864481 704297665373 767778991240 451998 371509 46564 828427 1 0 861960 1 3 830699 2 3 185693
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 830324131649 1289731282865 1205798418251 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 5 lines
Test #7:
score: 0
Accepted
time: 30ms
memory: 235548kb
input:
5 148262899914 9382086008 622202345986 443806901161 213829280326 178155 503016 333953 572340 461148 0 3 453941 3 2 84057 4 0 171136 3 1 598794
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 335812903839 244109933604 229134758769 178751633994 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 6 lines
Test #8:
score: 0
Accepted
time: 23ms
memory: 235860kb
input:
5 391440982512 969252165920 333946610796 649830522527 902812044171 522045 996458 225429 545971 667483 0 1 701500 0 4 514779 2 1 435377 3 0 919439
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 757655550012 984941935977 871429515267 660178785567 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 6 lines
Test #9:
score: 0
Accepted
time: 20ms
memory: 235660kb
input:
17 315015458526 65513576283 829720084774 654640079244 561177336848 463903843105 496216524512 837433489064 92734412345 807145138979 250511786518 915329126804 373916658654 78276842047 121976569238 432447179015 519384539551 696133 642473 231377 987220 589587 337763 790202 785083 249580 108311 73808 892...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 430639669161 417840567823 403532946274 499079112962 498466070651 495984520010 499402357184 501387707132 498265325456 501233852966 474661031682 494612046266 411867746683 497598865088 499819422548 496976423075 secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I
result:
ok 18 lines
Test #10:
score: -7
Wrong Answer
time: 23ms
memory: 232452kb
input:
20 764145449871 794297102632 450082553736 427358261877 587251097098 98567356955 15910789509 321286084089 25839798358 969219436118 975479420690 937908953492 410498404545 180209954689 302999489632 849828117651 171771046425 800442975277 295169929534 146003957886 828538 724406 733109 79844 665172 652593...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 1384833390877 871900130923 1468189815605 1245326093057 924349900475 1046486123707 1063981383357 864751505059 1159443240947 824076089025 1470641459547 1486181926466 1488465960086 1436267903541 1478403270966 1303312410681 1485431478966 1135576549657 1412080059777...
result:
wrong answer 4th lines differ - expected: '1446847771547', found: '1468189815605'
Subtask #2:
score: 0
Wrong Answer
Test #31:
score: 0
Wrong Answer
time: 608ms
memory: 374048kb
input:
100000 746699125678 374834842799 250803643493 620187038832 454433387570 406226564003 897157438699 99473514061 734784419618 503968957100 363935477037 277126009840 52078020050 990757079812 847235285349 950784717285 271017141367 861087225700 996035427219 520682200664 282013988419 415183977876 882007771...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 1148030742334 1636760433058 2131282232650 2353514637869 2672707119337 2763307672337 3098778933881 3003888852169 3054019822989 3117708941277 3168979051095 3214001638323 3269286229765 3273106480907 3287227043365 3335909595067 3361857042147 3364657567217 338173015...
result:
wrong answer 8th lines differ - expected: '2948215735597', found: '3098778933881'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%
Subtask #4:
score: 0
Wrong Answer
Test #69:
score: 0
Wrong Answer
time: 776ms
memory: 357248kb
input:
100000 15175010 23519365 21177669 27079342 9089 16784452 29693960 23124925 17048604 10179491 12828214 24992902 8483134 2928073 23807522 7332137 17421520 28460746 1607282 13224363 11900728 11794692 11495061 4687109 23460275 7657982 27417256 16978162 7326803 23083826 24942987 16610314 12147303 2828271...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 19723787 18391058 17718875 21812902 17905682 17787443 17939674 18319455 17905682 16817058 17465829 19471956 16817058 17330879 20013067 19417371 19935151 20695746 20302631 19166491 19187357 18452136 21494530 20534369 20417607 17841308 16817058 17012459 18356382 ...
result:
wrong answer 2nd lines differ - expected: '16705757', found: '19723787'
Subtask #5:
score: 0
Wrong Answer
Test #94:
score: 29
Accepted
time: 697ms
memory: 356684kb
input:
99281 551670361798 568902251563 418071776626 697635341894 641578820039 117221079324 812766431051 425410617978 663769685693 282144284527 799662290178 749088952784 586626406385 122473825417 459510657357 871705247919 443707710712 735612808044 237919555727 829939639783 122127143240 616906466299 24431898...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 598598746654 5...
result:
ok 99282 lines
Test #95:
score: -29
Wrong Answer
time: 735ms
memory: 364928kb
input:
100000 762048253398 544847923340 274220772253 709492519024 93107863549 990677171512 878434244170 777350365410 575870270443 928311965336 349432073756 948390047110 470116186153 495432094032 154258868766 719518553291 580490378718 661863092617 453262793865 191963964294 783054160061 953488248260 99347544...
output:
secret: XBNN6R0Jnospxlfz11GWxd4ldkzb0I 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764692690700 764705621299 7...
result:
wrong answer 21st lines differ - expected: '764692690700', found: '764705621299'
Subtask #6:
score: 0
Skipped
Dependency #1:
0%