oj.uz

Submission #698808

# Submission time Handle Problem Language Result Execution time Memory
698808 2023-02-14T10:11:26 Z vjudge1 New Home (APIO18_new_home) C++17
12 / 100
 5000 ms 279948 KB 
#include<bits/stdc++.h>
#define maxn 550000
#define maxl 8000000
#define bl 1000
using namespace std;
int n,k,q;
int x[maxn];
int a[maxn];
int b[maxn];
int t[maxn];
int l[maxn];
int y[maxn];
int ap[maxn];
bool fn[maxn];
int ans[maxn];
vector<pair<pair<int,int>,int> > v;
vector<pair<int,int> > c;
vector<int> cs;
bool cur[maxn];
int segp[4*maxl];
int segm[4*maxl];
int lc[4*maxl];
int rc[4*maxl];
int ord[4*maxn];
multiset<int> ns[2*bl];
int cnt=1;
void clear_seg() {
    cnt=1;
    segp[0]=-1e8;
    segm[0]=0;
    lc[0]=rc[0]=0;
}
inline void create_children(int id,int l,int r) {
    if(lc[id]==0) {
        segp[cnt]=-1e8;
        segm[cnt]=0;
        lc[cnt]=rc[cnt]=0;
        lc[id]=cnt++;
    }
    if(rc[id]==0) {
        segp[cnt]=-1e8;
        segm[cnt]=0;
        lc[cnt]=rc[cnt]=0;
        rc[id]=cnt++;
    }
}
void update(int id,int l,int r,int p,int q,int a,int b) {
    int m=(l+r)/2;
    create_children(id,l,r);
    if(p<=l && r<=q) {
        if(b==1) segp[id]=max(segp[id],a+l-1);
        else segm[id]=max(segm[id],a+1-l);
        return;
    }
    if(q<l || r<p) {
        return;
    }
    update(lc[id],l,m,p,q,a,b);
    update(rc[id],m+1,r,p,q,a,b);
}
int dif(int id,int l,int r,int x) {
    if(id==0 && !(l==1 && r==1e8)) return 0;
    int cur=max(segp[id]+x-l,segm[id]+l-x);
    int m=(l+r)/2;
    if(x<=m) return max(cur,dif(lc[id],l,m,x));
    else  return max(cur,dif(rc[id],m+1,r,x));
}
int main() {
    scanf("%d %d %d",&n,&k,&q);
    for(int i=1;i<=n;i++) {
        scanf("%d %d %d %d",&x[i],&t[i],&a[i],&b[i]);
        v.push_back({{a[i],0},i});
        v.push_back({{b[i],2},i});
    }
    for(int i=1;i<=q;i++) {
        scanf("%d %d",&l[i],&y[i]);
        v.push_back({{y[i],1},n+i});
    }
    sort(v.begin(),v.end());
    /*for(int i=0;i<v.size();i++) {
        cout<<v[i].first.first<<" "<<v[i].first.second<<" "<<v[i].second<<endl;
    }*/
    for(int i=0;i<v.size();i+=bl) {
        int cnt=0;
        for(int j=i;j<v.size() && j<i+bl;j++) {
            int ind=v[j].second;
            if(ind<=n) {
                if(ap[t[ind]]==0) {
                    cur[t[ind]]=true;
                    ord[t[ind]]=cnt;
                    cs.push_back(cnt);
                    cnt++;
                }
                ap[t[ind]]++;
            }
        }
        for(int j=i-1;j>=0;j--) {
            int ind=v[j].second;
            if(ind<=n) {
                if(v[j].first.second==2) fn[ind]=true;
                else {
                    if(!fn[ind] && ap[t[ind]]==0) {
                        c.push_back({t[ind],x[ind]});
                    }
                }
            }
        }
        for(int j=i-1;j>=0;j--) {
            int ind=v[j].second;
            if(ind<=n) {
                if(v[j].first.second==2) fn[ind]=true;
                else {
                    if(!fn[ind] && ap[t[ind]]==0) {
                        if(ap[t[ind]]==0) cnt++;
                        ap[t[ind]]++;
                    }
                }
            }
        }
        if(cnt==k) {
            sort(c.begin(),c.end());
            clear_seg();
            for(int i=0;i<c.size();i++) {
                if(i==0 || c[i-1].first!=c[i].first) {
                    update(0,1,1e8,1,c[i].second,c[i].second-1,-1);
                }
                else {
                    update(0,1,1e8,(c[i].second+c[i-1].second+1)/2,c[i].second,c[i].second-1,-1);
                }
                if(i+1==c.size() || c[i+1].first!=c[i].first) {
                    update(0,1,1e8,c[i].second,1e8,1-c[i].second,1);
                }
                else {
                    update(0,1,1e8,c[i].second,(c[i].second+c[i+1].second)/2,1-c[i].second,1);
                }
            }

            for(int j=i-1;j>=0;j--) {
                int ind=v[j].second;
                if(ind<=n) {
                    if(v[j].first.second==2) fn[ind]=true;
                    else {
                        if(!fn[ind] && cur[t[ind]]) {
                            ns[ord[t[ind]]].insert(x[ind]);
                        }
                    }
                }
            }

            for(int j=i;j<v.size() && j<i+bl;j++) {
                int ind=v[j].second;
                if(ind<=n) {
                    //cout<<j<<" "<<ind<<" "<<ord[t[ind]]<<" "<<v[j].first.second<<endl;
                    if(v[j].first.second==2) ns[ord[t[ind]]].erase(ns[ord[t[ind]]].find(x[ind]));
                    else ns[ord[t[ind]]].insert(x[ind]);
                }
                else {
                    ind-=n;
                    //cout<<j<<" "<<ind<<" "<<v[j].first.second<<endl;
                    for(auto tip:cs) {
                        //cout<<"\t"<<tip<<" "<<ns[tip].size()<<endl;
                        if(ns[tip].size()==0) ans[ind]=-1;
                    }
                    if(ans[ind]!=-1) {
                        if(cnt==cs.size()) ans[ind]=0;
                        else ans[ind]=dif(0,1,1e8,l[ind]);
                        for(auto tip:cs) {
                            set<int>::iterator it=ns[tip].lower_bound(l[ind]);
                            //cout<<l[ind]<<" "<<(*it)<<endl;
                            int csur=1e8;
                            if(it!=ns[tip].end()) csur=min(csur,(*it)-l[ind]);
                            if(it!=ns[tip].begin()) {
                                it--;
                                csur=min(csur,l[ind]-(*it));
                            }
                            ans[ind]=max(ans[ind],csur);
                        }
                    }
                }
            }

        }
        else {
            for(int j=i;j<v.size() && j<i+bl;j++) {
                int ind=v[j].second;
                if(ind>n) {
                    ans[ind-n]=-1;
                }
            }
        }
        c.clear();
        for(int j=0;j<v.size() && j<i+bl;j++) {
            int ind=v[j].second;
            if(ind<=n) {
                cur[t[ind]]=false;
                ns[ord[t[ind]]].clear();
                ord[t[ind]]=0;
                ap[t[ind]]=0;
            }
        }
        cs.clear();
    }
    for(int j=1;j<=q;j++) printf("%d\n",ans[j]);
    return 0;
}

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:83:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for(int i=0;i<v.size();i+=bl) {
      |                 ~^~~~~~~~~
new_home.cpp:85:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         for(int j=i;j<v.size() && j<i+bl;j++) {
      |                     ~^~~~~~~~~
new_home.cpp:123:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |             for(int i=0;i<c.size();i++) {
      |                         ~^~~~~~~~~
new_home.cpp:130:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  130 |                 if(i+1==c.size() || c[i+1].first!=c[i].first) {
      |                    ~~~^~~~~~~~~~
new_home.cpp:150:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  150 |             for(int j=i;j<v.size() && j<i+bl;j++) {
      |                         ~^~~~~~~~~
new_home.cpp:165:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  165 |                         if(cnt==cs.size()) ans[ind]=0;
      |                            ~~~^~~~~~~~~~~
new_home.cpp:184:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  184 |             for(int j=i;j<v.size() && j<i+bl;j++) {
      |                         ~^~~~~~~~~
new_home.cpp:192:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  192 |         for(int j=0;j<v.size() && j<i+bl;j++) {
      |                     ~^~~~~~~~~
new_home.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |     scanf("%d %d %d",&n,&k,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
new_home.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |         scanf("%d %d %d %d",&x[i],&t[i],&a[i],&b[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:76:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |         scanf("%d %d",&l[i],&y[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 544 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 544 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 4481 ms 25892 KB Output is correct
32 Correct 1099 ms 5768 KB Output is correct
33 Correct 1203 ms 5792 KB Output is correct
34 Correct 2914 ms 13848 KB Output is correct
35 Correct 2404 ms 11132 KB Output is correct
36 Correct 1740 ms 7576 KB Output is correct
37 Correct 701 ms 4848 KB Output is correct
38 Correct 647 ms 4780 KB Output is correct
39 Correct 547 ms 4840 KB Output is correct
40 Correct 548 ms 4696 KB Output is correct
41 Correct 809 ms 4992 KB Output is correct
42 Correct 668 ms 5056 KB Output is correct
43 Correct 2297 ms 8272 KB Output is correct
44 Correct 756 ms 4964 KB Output is correct
45 Correct 629 ms 4956 KB Output is correct
46 Correct 557 ms 5096 KB Output is correct
47 Correct 519 ms 4672 KB Output is correct
48 Correct 524 ms 4616 KB Output is correct
49 Correct 547 ms 4680 KB Output is correct
50 Correct 585 ms 4740 KB Output is correct
51 Correct 532 ms 4780 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5063 ms 279948 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5038 ms 107748 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 544 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 4481 ms 25892 KB Output is correct
32 Correct 1099 ms 5768 KB Output is correct
33 Correct 1203 ms 5792 KB Output is correct
34 Correct 2914 ms 13848 KB Output is correct
35 Correct 2404 ms 11132 KB Output is correct
36 Correct 1740 ms 7576 KB Output is correct
37 Correct 701 ms 4848 KB Output is correct
38 Correct 647 ms 4780 KB Output is correct
39 Correct 547 ms 4840 KB Output is correct
40 Correct 548 ms 4696 KB Output is correct
41 Correct 809 ms 4992 KB Output is correct
42 Correct 668 ms 5056 KB Output is correct
43 Correct 2297 ms 8272 KB Output is correct
44 Correct 756 ms 4964 KB Output is correct
45 Correct 629 ms 4956 KB Output is correct
46 Correct 557 ms 5096 KB Output is correct
47 Correct 519 ms 4672 KB Output is correct
48 Correct 524 ms 4616 KB Output is correct
49 Correct 547 ms 4680 KB Output is correct
50 Correct 585 ms 4740 KB Output is correct
51 Correct 532 ms 4780 KB Output is correct
52 Correct 824 ms 46500 KB Output is correct
53 Correct 704 ms 5380 KB Output is correct
54 Correct 793 ms 65416 KB Output is correct
55 Correct 3804 ms 19084 KB Output is correct
56 Execution timed out 5081 ms 24412 KB Time limit exceeded
57 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 544 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 4481 ms 25892 KB Output is correct
32 Correct 1099 ms 5768 KB Output is correct
33 Correct 1203 ms 5792 KB Output is correct
34 Correct 2914 ms 13848 KB Output is correct
35 Correct 2404 ms 11132 KB Output is correct
36 Correct 1740 ms 7576 KB Output is correct
37 Correct 701 ms 4848 KB Output is correct
38 Correct 647 ms 4780 KB Output is correct
39 Correct 547 ms 4840 KB Output is correct
40 Correct 548 ms 4696 KB Output is correct
41 Correct 809 ms 4992 KB Output is correct
42 Correct 668 ms 5056 KB Output is correct
43 Correct 2297 ms 8272 KB Output is correct
44 Correct 756 ms 4964 KB Output is correct
45 Correct 629 ms 4956 KB Output is correct
46 Correct 557 ms 5096 KB Output is correct
47 Correct 519 ms 4672 KB Output is correct
48 Correct 524 ms 4616 KB Output is correct
49 Correct 547 ms 4680 KB Output is correct
50 Correct 585 ms 4740 KB Output is correct
51 Correct 532 ms 4780 KB Output is correct
52 Execution timed out 5063 ms 279948 KB Time limit exceeded
53 Halted 0 ms 0 KB -