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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#322243 | #7436. Optimal Ordered Problem Solver | WinResearcher | 0 | 14ms | 47000kb | C++14 | 4.1kb | 2024-02-06 16:39:02 | 2024-02-06 16:39:07 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REPG(i,h,x) for(int i=h[x];~i;i=edge[i].next)
#define CLR(a,x) memset(a,x,sizeof(a))
#define pii pair<int,int>
const int INF=0x3f3f3f3f;
const int N=1e6+5;
int n,q,P[N],ans[N];
pii a[N];
vector<int> vec[N];
struct ask{int op,x,y,X,Y;}Q[N];
namespace FHQ{
int root,cnt;
mt19937 rnd(chrono::system_clock::now().time_since_epoch().count());
struct node{int lc,rc,x,y,xlazy,ylazy,siz;unsigned key;}t[N];
inline int& lc(int p){return t[p].lc;}
inline int& rc(int p){return t[p].rc;}
inline int newnode(int x,int y){t[++cnt]={0,0,x,y,-1,-1,1,rnd()};return cnt;}
inline void pushup(int p){t[p].siz=t[lc(p)].siz+t[rc(p)].siz+1;}
inline void pushX(int p,int v){t[p].x=t[p].xlazy=v;}
inline void pushY(int p,int v){t[p].y=t[p].ylazy=v;}
inline void pushdown(int p){
if(t[p].xlazy!=-1) pushX(lc(p),t[p].xlazy),pushX(rc(p),t[p].xlazy);
if(t[p].ylazy!=-1) pushY(lc(p),t[p].ylazy),pushY(rc(p),t[p].ylazy);
t[p].xlazy=t[p].ylazy=-1;
}
void splitX(int p,int v,int &l,int &r){
if(!p) return (void)(l=r=0);
pushdown(p);
if(t[p].x<=v) splitX(rc(l=p),v,rc(p),r);
else splitX(lc(r=p),v,l,lc(p));
pushup(p);
}
void splitY(int p,int v,int &l,int &r){
if(!p) return (void)(l=r=0);
pushdown(p);
if(t[p].y>=v) splitY(rc(l=p),v,rc(p),r);
else splitY(lc(r=p),v,l,lc(p));
pushup(p);
}
int merge(int l,int r){
if(!l||!r) return l|r;
pushdown(l),pushdown(r);
if(t[l].key<t[r].key) return rc(l)=merge(rc(l),r),pushup(l),l;
else return lc(r)=merge(l,lc(r)),pushup(r),r;
}
inline void add(int id){
t[id].x=a[id].first,t[id].y=a[id].second;
int l,mid,r;
splitX(root,Q[id].x,l,r),splitY(l,Q[id].y,l,mid);
root=merge(merge(l,id),merge(mid,r));
}
};
inline int lowbit(int x){return x&(-x);}
struct BIT{
int bit[N];
inline void add(int x,int v){for(;x<=n;x+=lowbit(x)) bit[x]+=v;}
inline int ask(int x){int ans=0;for(;x;x-=lowbit(x)) ans+=bit[x];return ans;}
}bit2,bit1;
struct BIT2{
int bit[N];
BIT2(){CLR(bit,0x3f);}
inline void add(int x,int v){for(;x;x-=lowbit(x)) bit[x]=min(bit[x],v);}
inline int ask(int x){int ans=INF;for(;x<=n;x+=lowbit(x)) ans=min(ans,bit[x]);return ans;}
}bitmn;
struct BIT3{
int bit[N];
inline void add(int x,int v){for(;x;x-=lowbit(x)) bit[x]=max(bit[x],v);}
inline int ask(int x){int ans=0;for(;x<=n;x+=lowbit(x)) ans=max(ans,bit[x]);return ans;}
}bitmx;
int main(){
// ios::sync_with_stdio(false);
// cin.tie(0);
// freopen(".in","r",stdin);
// freopen(".out","w",stdout);
scanf("%d%d",&n,&q);
for(int i=1;i<=n;i++) scanf("%d%d",&a[i].first,&a[i].second);
for(int i=1;i<=q;i++) scanf("%d%d%d%d%d",&Q[i].op,&Q[i].x,&Q[i].y,&Q[i].X,&Q[i].Y),P[i]=i;
sort(a+1,a+1+n),sort(P+1,P+1+q,[](int a,int b){return Q[a].x>Q[b].x;});
for(int i=n,j=1;i>=1;i--){
for(;j<=n&&Q[P[j]].x>=a[i].first;j++) bitmn.add(Q[P[j]].y,P[j]);
int ret=bitmn.ask(a[i].second);
if(ret!=INF) vec[ret].push_back(i);
}
sort(P+1,P+1+q,[](int a,int b){return Q[a].X>Q[b].X;});
for(int i=1,j=n;i<=q;i++){
for(;j>=1&&a[j].first>Q[P[i]].X;j--) bit1.add(a[j].second,1);
ans[P[i]]=n-j-bit1.ask(Q[P[i]].Y);
}
CLR(bit1.bit,0);
for(int i=1;i<=n;i++) bit1.add(a[i].first,1),bit2.add(a[i].second,1);
for(int i=1;i<=q;i++){
if(bitmx.ask(Q[i].x+1)<=Q[i].y){
int l,mid,r;
FHQ::splitX(FHQ::root,Q[i].x,l,r);//[1,x]][1,n] [x+1][1,n]
FHQ::splitY(l,Q[i].y+1,l,mid);//[1,x][y+1,n] [1,x][1,y]
if(Q[i].op==1) FHQ::pushY(mid,Q[i].y);
else FHQ::pushX(mid,Q[i].x);
FHQ::root=FHQ::merge(FHQ::merge(l,mid),r);
bitmx.add(Q[i].x,Q[i].y);
}
for(auto j:vec[i]){
bit1.add(a[j].first,-1),bit2.add(a[j].second,-1);
if(Q[i].op==1) a[j].second=Q[i].y;
else a[j].first=Q[i].x;
FHQ::add(j);
}
if(bitmx.ask(Q[i].X+1)>Q[i].Y) ans[i]=0;
else{
int l,mid,r;
FHQ::splitX(FHQ::root,Q[i].X,l,r);
FHQ::splitY(l,Q[i].Y+1,l,mid);
ans[i]+=bit1.ask(Q[i].X)+bit2.ask(Q[i].Y)+FHQ::t[mid].siz-n;
FHQ::root=FHQ::merge(FHQ::merge(l,mid),r);
ans[i]+=FHQ::t[FHQ::root].siz;
}
printf("%d\n",ans[i]);
}
return 0;
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 14ms
memory: 47000kb
input:
995 996 950 481 376 18 141 776 711 966 130 727 468 529 47 39 857 563 832 821 776 472 154 914 825 279 332 415 470 361 968 440 45 560 299 755 703 785 744 387 547 382 3 549 344 573 778 424 784 765 280 115 251 434 695 98 463 506 379 38 610 486 305 623 703 244 856 365 117 360 772 847 331 723 663 991 900 ...
output:
423 473 758 313 694 232 333 784 821 154 247 244 504 54 200 370 872 782 734 174 660 467 76 754 77 5 144 974 526 415 439 694 507 577 258 120 243 3 2 319 313 498 218 828 433 623 981 700 120 55 70 499 375 283 387 128 317 139 220 410 22 547 3 385 430 168 23 0 178 625 677 561 488 672 577 64 144 537 235 45...
result:
wrong answer 26th numbers differ - expected: '3', found: '5'
Subtask #2:
score: 0
Time Limit Exceeded
Test #9:
score: 0
Time Limit Exceeded
input:
999996 999996 921339 140126 955508 363759 958698 342406 280137 955674 907511 75721 189876 946586 152058 168837 541857 557702 84498 865987 185574 809224 704828 701026 815379 548000 989515 518951 335439 336866 745570 790616 766723 212893 926629 859003 51261 40866 592510 556235 324926 700261 320946 798...
output:
result:
Subtask #3:
score: 0
Time Limit Exceeded
Test #17:
score: 0
Time Limit Exceeded
input:
999995 999997 261379 334440 985281 986034 549380 718157 670003 253925 533027 437989 326806 983213 965935 756259 229069 686789 331338 684961 957559 390618 937820 959719 338153 779814 582581 965418 634156 421264 308778 938878 913059 390904 481477 431492 739774 793015 901442 934600 256704 991485 366691...
output:
160635 633543 123519 313576 450015 383636 574186 2373 203701 326075 117994 567273 652822 199775 380316 380372 105872 373849 788346 703168 609793 648153 367055 497971 57977 478851 745046 75932 543056 251831 769828 436483 480960 235829 509617 757178 763478 396833 262674 2238 267164 165785 558953 16523...
result:
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
0%