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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#527748 | #7436. Optimal Ordered Problem Solver | Crying | 0 | 3824ms | 199156kb | C++14 | 4.5kb | 2024-08-22 19:02:07 | 2024-08-22 19:02:07 |
Judging History
answer
#include<bits/stdc++.h>
#define lc(x) (t[x].lc)
#define rc(x) (t[x].rc)
#define lowbit(x) (x&(-x))
using namespace std;
typedef long long ll;
typedef vector<int> vec;
typedef array<int,2> pr;
typedef array<int,4> qr; //(x,y,type,id)
const int MAXN = 1e6+10,INF = 1e9;
template<typename T>void tomin(T& x,T y){x = min(x,y);}
template<typename T>void tomax(T& x,T y){x = max(x,y);}
//
int n,m,x[MAXN],y[MAXN];
int o[MAXN],mx[MAXN],my[MAXN],qx[MAXN],qy[MAXN],ans[MAXN];
vec ap[MAXN]; int mt[MAXN],qt[MAXN];
struct BIT{
int t[MAXN];
void mdf(int x,int v){x=n-x+1;for(;x<=n;x+=lowbit(x))t[x] += v;}
int qry(int x,int S=0){x=n-x+1;for(;x;x-=lowbit(x))S+=t[x]; return S;}
}tx,ty,tz;
namespace Pre{
qr mdf[MAXN*3]; int tot;
struct BIT{
int t[MAXN];
void init(){fill(t+1,t+1+n,INF);}
void mdf(int x,int v){x=n-x+1;for(;x<=n;x+=lowbit(x))tomin(t[x],v);}
int qry(int x,int S=INF){x=n-x+1;for(;x;x-=lowbit(x))tomin(S,t[x]);return S;}
}bit;
void solve(){
for(int i=1;i<=n;i++)mdf[++tot] = (qr){x[i],y[i],1,i};
for(int i=1;i<=m;i++)mdf[++tot] = (qr){mx[i],my[i],3,i},mdf[++tot] = (qr){qx[i],qy[i],2,i};
sort(mdf+1,mdf+1+tot);
bit.init();
for(int i=tot;i>=1;i--){
qr& now = mdf[i]; int id = now[3],type = now[2],y = now[1];
if(type == 3)bit.mdf(y,id);
else if(type == 1){
mt[id] = bit.qry(y);
if(mt[id] != INF)ap[mt[id]].push_back(id);
}else qt[id] = bit.qry(y);
}
}
}
namespace DS{
mt19937 rnd(0);
struct Node{
int lc,rc,sz,key;
int vx,vy,tx,ty;
Node(){key = rnd(),tx = ty = -1;}
}t[MAXN]; int tot,rt;
void pu(int x){ t[x].sz = t[lc(x)].sz + 1 + t[rc(x)].sz; }
void cx(int x,int v){if(!x)return; t[x].vx = t[x].tx = v;}
void cy(int x,int v){if(!x)return; t[x].vy = t[x].ty = v;}
void pd(int x){
if(t[x].tx != -1)cx(lc(x),t[x].tx),cx(rc(x),t[x].tx),t[x].tx = -1;
if(t[x].ty != -1)cy(lc(x),t[x].ty),cy(rc(x),t[x].ty),t[x].ty = -1;
}
int cn(int x,int y){
tot++;
t[tot].vx = x,t[tot].vy = y,t[tot].sz = 1;
return tot;
}
//
int merge(int x,int y){
if(!x || !y)return x+y;
pd(x); pd(y);
if(t[x].key > t[y].key){
rc(x) = merge(rc(x),y);
return pu(x),x;
}else{
lc(y) = merge(x,lc(y));
return pu(y),y;
}
}
void split(int u,int limx,int limy,int& x,int& y){
if(!u)return void(x=y=0);
pd(u);
if(t[u].vx <= limx && t[u].vy >= limy){
x = u;
split(rc(x),limx,limy,rc(x),y);
}else{
y = u;
split(lc(y),limx,limy,x,lc(y));
}
pu(u);
}
//
void insert(int x,int y){
int a = 0,b = cn(x,y),c = 0;
split(rt,x,y,a,c);
rt = merge(merge(a,b),c);
}
void preget(int x,int y,int& a,int& b,int& c){
split(rt,0,y+1,a,b);
split(b,x,0,b,c);
}
int qry(int x,int y){
int a = 0,b = 0,c = 0;
preget(x,y,a,b,c);
int ans = t[b].sz;
rt = merge(merge(a,b),c);
return ans;
}
void mdf(int o,int x,int y){
int a = 0,b = 0,c = 0;
preget(x,y,a,b,c);
if(o == 1)cy(b,y); else cx(b,x);
rt = merge(merge(a,b),c);
}
}
qr mdf[MAXN*2]; int tot;
int main(){
ios::sync_with_stdio(false); cin.tie(0);
cin>>n>>m;
for(int i=1;i<=n;i++)cin>>x[i]>>y[i],tx.mdf(x[i],1),ty.mdf(y[i],1);
for(int i=1;i<=m;i++)cin>>o[i]>>mx[i]>>my[i]>>qx[i]>>qy[i];
Pre::solve();
for(int i=1,A=n;i<=m;i++){
DS::mdf(o[i],mx[i],my[i]);
for(auto id : ap[i]){
tx.mdf(x[id],-1),ty.mdf(y[id],-1); A--;
if(o[i] == 1)DS::insert(x[id],my[i]);
else DS::insert(mx[i],y[id]);
}
//
ans[i] = DS::qry(qx[i],qy[i]);
if(qt[i] <= i)continue;
ans[i] += A; ans[i] -= tx.qry(qx[i]+1) + ty.qry(qy[i]+1);
mdf[++tot] = {qx[i]+1,qy[i]+1,1,i};
}
for(int i=1;i<=n;i++)mdf[++tot] = {x[i],y[i],2,-1};
sort(mdf+1,mdf+1+tot);
for(int i=tot;i>=1;i--){
qr& now = mdf[i]; int y = now[1],type = now[2],id = now[3];
if(type==2)tz.mdf(y,1);
else ans[id] += tz.qry(y);
}
for(int i=1;i<=m;i++)cout<<ans[i]<<"\n";
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 16ms
memory: 83520kb
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 1 144 974 526 415 439 694 507 577 258 120 243 9 8 319 313 498 218 828 433 623 981 700 120 55 70 499 375 283 387 128 317 139 220 410 22 547 3 385 430 168 38 0 178 625 677 561 488 672 577 64 144 537 235 62...
result:
wrong answer 26th numbers differ - expected: '3', found: '1'
Subtask #2:
score: 0
Wrong Answer
Test #9:
score: 0
Wrong Answer
time: 2064ms
memory: 182908kb
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:
0 75465 953730 30210 22420 859562 0 10997 1901 0 776333 0 0 0 0 883717 0 0 0 0 0 0 878809 0 876833 0 49 49 49 49 49 49 49 0 896479 0 808528 892545 1426 0 0 0 907449 0 0 0 892956 0 0 0 0 0 0 0 0 0 0 1426 807728 0 0 0 0 0 898541 1351 0 0 0 805213 0 0 891526 1426 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7...
result:
wrong answer 2nd numbers differ - expected: '0', found: '75465'
Subtask #3:
score: 0
Wrong Answer
Test #17:
score: 0
Wrong Answer
time: 3824ms
memory: 199156kb
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:
160637 633545 123521 313579 450015 383638 574188 2378 203701 326075 117994 567277 652826 199783 380319 380379 105882 373861 788346 703180 609805 648165 367068 497984 57988 478851 745058 75945 543070 251847 769828 436497 480976 235845 509633 757192 763494 396852 262688 2255 267186 165795 558973 16525...
result:
wrong answer 1st numbers differ - expected: '160635', found: '160637'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
0%