oj.uz

Submission #99867

# Submission time Handle Problem Language Result Execution time Memory
99867 2019-03-07T23:23:59 Z TadijaSebez New Home (APIO18_new_home) C++11
47 / 100
 5000 ms 695164 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define mt make_tuple
const int N=300050;
const int M=4*N;
const int lim=1e8;
int x[N],t[N],l[N],r[N],qx[N],qy[N],active,ans[N];
set<pair<int,int>> all[N];
map<pair<int,int>,int> T[N];
vector<tuple<int,int,int,int>> L,R;
void Put(int t, int l, int r, int ins, int tme)
{
	int mid=l+r>>1;
	if(l>r) return;
	if(ins==0)
	{
		if(l!=-2*lim) T[t][mp(l,mid)]=tme;
		if(r!=2*lim) T[t][mp(mid+1,r)]=tme;
	}
	else
	{
		if(l!=-2*lim) L.pb(mt(T[t][mp(l,mid)],tme-1,l,mid));
		if(r!=2*lim) R.pb(mt(T[t][mp(mid+1,r)],tme-1,mid+1,r));
	}
}
int root,ls[M],rs[M],tsz;
vector<pair<int,int>> LST,RST;
vector<tuple<int,int,int>> STL[M],STR[M];
/*void AddL(int &c, int ss, int se, int qs, int qe, int l, int r)
{
	if(qs>qe || qs>se || ss>qe) return;
	if(!c) c=++tsz;
	if(qs<=ss && qe>=se){ LST[c].pb(mp(l,r));return;}
	int mid=ss+se>>1;
	AddL(ls[c],ss,mid,qs,qe,l,r);
	AddL(rs[c],mid+1,se,qs,qe,l,r);
}
void AddR(int &c, int ss, int se, int qs, int qe, int l, int r)
{
	if(qs>qe || qs>se || ss>qe) return;
	if(!c) c=++tsz;
	if(qs<=ss && qe>=se){ RST[c].pb(mp(l,r));return;}
	int mid=ss+se>>1;
	AddR(ls[c],ss,mid,qs,qe,l,r);
	AddR(rs[c],mid+1,se,qs,qe,l,r);
}*/
void Build(int &c, int ss, int se, vector<int> l, vector<int> r)
{
	c=++tsz;int mid=ss+se>>1;
	vector<int> PLL,PRL,PLR,PRR;
	LST.clear();RST.clear();
	for(int j=0;j<l.size();j++)
	{
		int i=l[j];
		if(get<0>(L[i])<=ss && get<1>(L[i])>=se) LST.pb(mp(get<2>(L[i]),get<3>(L[i])));
		else
		{
			if(get<0>(L[i])<=mid) PLL.pb(i);
			if(get<1>(L[i])>mid) PRL.pb(i);
		}
	}
	for(int j=0;j<r.size();j++)
	{
		int i=r[j];
		if(get<0>(R[i])<=ss && get<1>(R[i])>=se) RST.pb(mp(get<2>(R[i]),get<3>(R[i])));
		else
		{
			if(get<0>(R[i])<=mid) PLR.pb(i);
			if(get<1>(R[i])>mid) PRR.pb(i);
		}
	}
	STL[c].reserve(LST.size());
	int mx=-lim;
	for(int i=0;i<LST.size();i++)
	{
		if(LST[i].second>=mx)
		{
			STL[c].pb(mt(max(LST[i].first,mx),LST[i].second,LST[i].first));
			mx=LST[i].second+1;
			//printf("%i %i %i\n",get<0>(STL[c].back()),get<1>(STL[c].back()),get<2>(STL[c].back()));
		}
	}
	STR[c].reserve(RST.size());
	int mn=lim*2;
	for(int i=0;i<RST.size();i++)
	{
		if(RST[i].first<=mn)
		{
			STR[c].pb(mt(RST[i].first,min(RST[i].second,mn),RST[i].second));
			mn=RST[i].first-1;
			//printf("%i %i %i\n",get<0>(STR[c].back()),get<1>(STR[c].back()),get<2>(STR[c].back()));
		}
	}
	reverse(STR[c].begin(),STR[c].end());
	LST.clear();RST.clear();R.clear();L.clear();
	if(ss==se) return;
	Build(ls[c],ss,mid,PLL,PLR);
	PLL.clear();PLR.clear();
	Build(rs[c],mid+1,se,PRL,PRR);
	PRL.clear();PRR.clear();
}
int Solve(int c, int ss, int se, int qi, int x)
{
	int ans=0;
	while(STL[c].size() && get<0>(STL[c].back())>x) STL[c].pop_back();
	while(STR[c].size() && get<0>(STR[c].back())>x) STR[c].pop_back();
	if(STL[c].size() && get<1>(STL[c].back())>=x) ans=max(ans,x-get<2>(STL[c].back()));
	if(STR[c].size() && get<1>(STR[c].back())>=x) ans=max(ans,get<2>(STR[c].back())-x);
	if(ss==se) return ans;
	int mid=ss+se>>1;
	if(qi<=mid) return max(ans,Solve(ls[c],ss,mid,qi,x));
	else return max(ans,Solve(rs[c],mid+1,se,qi,x));
}
int main()
{
	int n,k,q,i;
	scanf("%i %i %i",&n,&k,&q);
	vector<tuple<int,int,int>> events;
	for(i=1;i<=n;i++)
	{
		scanf("%i %i %i %i",&x[i],&t[i],&l[i],&r[i]);
		events.pb(mt(l[i],0,i));
		events.pb(mt(r[i]+1,1,i));
	}
	for(i=1;i<=q;i++)
	{
		scanf("%i %i",&qx[i],&qy[i]);
		events.pb(mt(qy[i],2,i));
	}
	for(i=1;i<=k;i++)
	{
		all[i].insert(mp(-2*lim,-1));
		all[i].insert(mp(2*lim,0));
		Put(i,-2*lim,2*lim,0,2*lim);
	}
	sort(events.begin(),events.end());
	vector<int> work;
	for(auto e:events)
	{
		int tme=get<0>(e);
		int type=get<1>(e);
		int i=get<2>(e);
		if(type!=2)
		{
			if(type==0) all[t[i]].insert(mp(x[i],i));
			auto it=all[t[i]].find(mp(x[i],i));
			int lid=0,rid=0;
			if(it!=all[t[i]].begin()) it--,lid=it->first,it++;
			it++;if(it!=all[t[i]].end()) rid=it->first;it--;
			if(type==0) Put(t[i],lid,rid,type^1,tme);
			Put(t[i],lid,x[i],type,tme);
			Put(t[i],x[i],rid,type,tme);
			if(type==1) Put(t[i],lid,rid,type^1,tme);
			if(all[t[i]].size()==3) active+=type==0?1:-1;
			if(type==1) all[t[i]].erase(mp(x[i],i));
		}
		else
		{
			if(active!=k) ans[i]=-1;
			else work.pb(i);
		}
		//printf("%i %i %i %i\n",tme,type,i,active);
	}
	sort(L.begin(),L.end(),[](tuple<int,int,int,int> a, tuple<int,int,int,int> b){ return get<2>(a)<get<2>(b);});
	sort(R.begin(),R.end(),[](tuple<int,int,int,int> a, tuple<int,int,int,int> b){ return get<3>(a)>get<3>(b);});
	sort(work.begin(),work.end(),[&](int a, int b){ return qx[a]>qx[b];});
	vector<int> id;
	for(auto tp:L) id.pb(get<0>(tp)),id.pb(get<1>(tp));
	for(auto tp:R) id.pb(get<0>(tp)),id.pb(get<1>(tp));
	for(int idx:work) id.pb(qy[idx]);
	sort(id.begin(),id.end());
	id.erase(unique(id.begin(),id.end()),id.end());
	auto Get=[&](int x){ return lower_bound(id.begin(),id.end(),x)-id.begin()+1;};
	for(auto &tp:L) tp=mt(Get(get<0>(tp)),Get(get<1>(tp)),get<2>(tp),get<3>(tp));
	for(auto &tp:R) tp=mt(Get(get<0>(tp)),Get(get<1>(tp)),get<2>(tp),get<3>(tp));
	//for(auto tp:L) AddL(root,1,id.size(),Get(get<0>(tp)),Get(get<1>(tp)),get<2>(tp),get<3>(tp));
	//for(auto tp:R) AddR(root,1,id.size(),Get(get<0>(tp)),Get(get<1>(tp)),get<2>(tp),get<3>(tp));
	vector<int> lb,rb;
	for(int i=0;i<L.size();i++) lb.pb(i);
	for(int i=0;i<R.size();i++) rb.pb(i);
	Build(root,1,id.size(),lb,rb);
	for(int idx:work) ans[idx]=Solve(root,1,id.size(),Get(qy[idx]),qx[idx]);
	for(int i=1;i<=q;i++) printf("%i\n",ans[i]);
	return 0;
}

Compilation message

new_home.cpp: In function 'void Put(int, int, int, int, int)':
new_home.cpp:15:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1;
          ~^~
new_home.cpp: In function 'void Build(int&, int, int, std::vector<int>, std::vector<int>)':
new_home.cpp:51:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  c=++tsz;int mid=ss+se>>1;
                  ~~^~~
new_home.cpp:54:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j=0;j<l.size();j++)
              ~^~~~~~~~~
new_home.cpp:64:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j=0;j<r.size();j++)
              ~^~~~~~~~~
new_home.cpp:76:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<LST.size();i++)
              ~^~~~~~~~~~~
new_home.cpp:87:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<RST.size();i++)
              ~^~~~~~~~~~~
new_home.cpp: In function 'int Solve(int, int, int, int, int)':
new_home.cpp:112:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;
          ~~^~~
new_home.cpp: In function 'int main()':
new_home.cpp:181:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<L.size();i++) lb.pb(i);
              ~^~~~~~~~~
new_home.cpp:182:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<R.size();i++) rb.pb(i);
              ~^~~~~~~~~
new_home.cpp:119:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i %i",&n,&k,&q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
new_home.cpp:123:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i %i %i %i",&x[i],&t[i],&l[i],&r[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:129:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i %i",&qx[i],&qy[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 84984 KB Output is correct
2 Correct 77 ms 84984 KB Output is correct
3 Correct 85 ms 84988 KB Output is correct
4 Correct 76 ms 84984 KB Output is correct
5 Correct 78 ms 85112 KB Output is correct
6 Correct 83 ms 85500 KB Output is correct
7 Correct 82 ms 85248 KB Output is correct
8 Correct 79 ms 85368 KB Output is correct
9 Correct 92 ms 85284 KB Output is correct
10 Correct 97 ms 85624 KB Output is correct
11 Correct 78 ms 85380 KB Output is correct
12 Correct 84 ms 85368 KB Output is correct
13 Correct 79 ms 85112 KB Output is correct
14 Correct 80 ms 85260 KB Output is correct
15 Correct 82 ms 85468 KB Output is correct
16 Correct 80 ms 85368 KB Output is correct
17 Correct 80 ms 85292 KB Output is correct
18 Correct 78 ms 85320 KB Output is correct
19 Correct 84 ms 85388 KB Output is correct
20 Correct 98 ms 85368 KB Output is correct
21 Correct 95 ms 85112 KB Output is correct
22 Correct 93 ms 85264 KB Output is correct
23 Correct 96 ms 85368 KB Output is correct
24 Correct 85 ms 85368 KB Output is correct
25 Correct 87 ms 85368 KB Output is correct
26 Correct 81 ms 85240 KB Output is correct
27 Correct 94 ms 85112 KB Output is correct
28 Correct 100 ms 85240 KB Output is correct
29 Correct 90 ms 85340 KB Output is correct
30 Correct 93 ms 85212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 84984 KB Output is correct
2 Correct 77 ms 84984 KB Output is correct
3 Correct 85 ms 84988 KB Output is correct
4 Correct 76 ms 84984 KB Output is correct
5 Correct 78 ms 85112 KB Output is correct
6 Correct 83 ms 85500 KB Output is correct
7 Correct 82 ms 85248 KB Output is correct
8 Correct 79 ms 85368 KB Output is correct
9 Correct 92 ms 85284 KB Output is correct
10 Correct 97 ms 85624 KB Output is correct
11 Correct 78 ms 85380 KB Output is correct
12 Correct 84 ms 85368 KB Output is correct
13 Correct 79 ms 85112 KB Output is correct
14 Correct 80 ms 85260 KB Output is correct
15 Correct 82 ms 85468 KB Output is correct
16 Correct 80 ms 85368 KB Output is correct
17 Correct 80 ms 85292 KB Output is correct
18 Correct 78 ms 85320 KB Output is correct
19 Correct 84 ms 85388 KB Output is correct
20 Correct 98 ms 85368 KB Output is correct
21 Correct 95 ms 85112 KB Output is correct
22 Correct 93 ms 85264 KB Output is correct
23 Correct 96 ms 85368 KB Output is correct
24 Correct 85 ms 85368 KB Output is correct
25 Correct 87 ms 85368 KB Output is correct
26 Correct 81 ms 85240 KB Output is correct
27 Correct 94 ms 85112 KB Output is correct
28 Correct 100 ms 85240 KB Output is correct
29 Correct 90 ms 85340 KB Output is correct
30 Correct 93 ms 85212 KB Output is correct
31 Correct 1704 ms 196384 KB Output is correct
32 Correct 313 ms 106968 KB Output is correct
33 Correct 1700 ms 200272 KB Output is correct
34 Correct 1568 ms 192340 KB Output is correct
35 Correct 1687 ms 199436 KB Output is correct
36 Correct 1690 ms 205104 KB Output is correct
37 Correct 1296 ms 188556 KB Output is correct
38 Correct 1303 ms 189392 KB Output is correct
39 Correct 1052 ms 173612 KB Output is correct
40 Correct 1135 ms 177740 KB Output is correct
41 Correct 1216 ms 161760 KB Output is correct
42 Correct 1134 ms 160476 KB Output is correct
43 Correct 191 ms 102240 KB Output is correct
44 Correct 1198 ms 160564 KB Output is correct
45 Correct 1210 ms 155104 KB Output is correct
46 Correct 1050 ms 145632 KB Output is correct
47 Correct 706 ms 137276 KB Output is correct
48 Correct 635 ms 137308 KB Output is correct
49 Correct 760 ms 145888 KB Output is correct
50 Correct 868 ms 153564 KB Output is correct
51 Correct 780 ms 143964 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3480 ms 608536 KB Output is correct
2 Execution timed out 5143 ms 695164 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5152 ms 643280 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 84984 KB Output is correct
2 Correct 77 ms 84984 KB Output is correct
3 Correct 85 ms 84988 KB Output is correct
4 Correct 76 ms 84984 KB Output is correct
5 Correct 78 ms 85112 KB Output is correct
6 Correct 83 ms 85500 KB Output is correct
7 Correct 82 ms 85248 KB Output is correct
8 Correct 79 ms 85368 KB Output is correct
9 Correct 92 ms 85284 KB Output is correct
10 Correct 97 ms 85624 KB Output is correct
11 Correct 78 ms 85380 KB Output is correct
12 Correct 84 ms 85368 KB Output is correct
13 Correct 79 ms 85112 KB Output is correct
14 Correct 80 ms 85260 KB Output is correct
15 Correct 82 ms 85468 KB Output is correct
16 Correct 80 ms 85368 KB Output is correct
17 Correct 80 ms 85292 KB Output is correct
18 Correct 78 ms 85320 KB Output is correct
19 Correct 84 ms 85388 KB Output is correct
20 Correct 98 ms 85368 KB Output is correct
21 Correct 95 ms 85112 KB Output is correct
22 Correct 93 ms 85264 KB Output is correct
23 Correct 96 ms 85368 KB Output is correct
24 Correct 85 ms 85368 KB Output is correct
25 Correct 87 ms 85368 KB Output is correct
26 Correct 81 ms 85240 KB Output is correct
27 Correct 94 ms 85112 KB Output is correct
28 Correct 100 ms 85240 KB Output is correct
29 Correct 90 ms 85340 KB Output is correct
30 Correct 93 ms 85212 KB Output is correct
31 Correct 1704 ms 196384 KB Output is correct
32 Correct 313 ms 106968 KB Output is correct
33 Correct 1700 ms 200272 KB Output is correct
34 Correct 1568 ms 192340 KB Output is correct
35 Correct 1687 ms 199436 KB Output is correct
36 Correct 1690 ms 205104 KB Output is correct
37 Correct 1296 ms 188556 KB Output is correct
38 Correct 1303 ms 189392 KB Output is correct
39 Correct 1052 ms 173612 KB Output is correct
40 Correct 1135 ms 177740 KB Output is correct
41 Correct 1216 ms 161760 KB Output is correct
42 Correct 1134 ms 160476 KB Output is correct
43 Correct 191 ms 102240 KB Output is correct
44 Correct 1198 ms 160564 KB Output is correct
45 Correct 1210 ms 155104 KB Output is correct
46 Correct 1050 ms 145632 KB Output is correct
47 Correct 706 ms 137276 KB Output is correct
48 Correct 635 ms 137308 KB Output is correct
49 Correct 760 ms 145888 KB Output is correct
50 Correct 868 ms 153564 KB Output is correct
51 Correct 780 ms 143964 KB Output is correct
52 Correct 576 ms 138612 KB Output is correct
53 Correct 599 ms 136168 KB Output is correct
54 Correct 969 ms 163868 KB Output is correct
55 Correct 981 ms 157572 KB Output is correct
56 Correct 868 ms 154340 KB Output is correct
57 Correct 1068 ms 160352 KB Output is correct
58 Correct 907 ms 156416 KB Output is correct
59 Correct 873 ms 153312 KB Output is correct
60 Correct 1154 ms 159964 KB Output is correct
61 Correct 178 ms 111072 KB Output is correct
62 Correct 600 ms 141524 KB Output is correct
63 Correct 983 ms 158372 KB Output is correct
64 Correct 1095 ms 163332 KB Output is correct
65 Correct 1118 ms 169772 KB Output is correct
66 Correct 1170 ms 165404 KB Output is correct
67 Correct 487 ms 119516 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 84984 KB Output is correct
2 Correct 77 ms 84984 KB Output is correct
3 Correct 85 ms 84988 KB Output is correct
4 Correct 76 ms 84984 KB Output is correct
5 Correct 78 ms 85112 KB Output is correct
6 Correct 83 ms 85500 KB Output is correct
7 Correct 82 ms 85248 KB Output is correct
8 Correct 79 ms 85368 KB Output is correct
9 Correct 92 ms 85284 KB Output is correct
10 Correct 97 ms 85624 KB Output is correct
11 Correct 78 ms 85380 KB Output is correct
12 Correct 84 ms 85368 KB Output is correct
13 Correct 79 ms 85112 KB Output is correct
14 Correct 80 ms 85260 KB Output is correct
15 Correct 82 ms 85468 KB Output is correct
16 Correct 80 ms 85368 KB Output is correct
17 Correct 80 ms 85292 KB Output is correct
18 Correct 78 ms 85320 KB Output is correct
19 Correct 84 ms 85388 KB Output is correct
20 Correct 98 ms 85368 KB Output is correct
21 Correct 95 ms 85112 KB Output is correct
22 Correct 93 ms 85264 KB Output is correct
23 Correct 96 ms 85368 KB Output is correct
24 Correct 85 ms 85368 KB Output is correct
25 Correct 87 ms 85368 KB Output is correct
26 Correct 81 ms 85240 KB Output is correct
27 Correct 94 ms 85112 KB Output is correct
28 Correct 100 ms 85240 KB Output is correct
29 Correct 90 ms 85340 KB Output is correct
30 Correct 93 ms 85212 KB Output is correct
31 Correct 1704 ms 196384 KB Output is correct
32 Correct 313 ms 106968 KB Output is correct
33 Correct 1700 ms 200272 KB Output is correct
34 Correct 1568 ms 192340 KB Output is correct
35 Correct 1687 ms 199436 KB Output is correct
36 Correct 1690 ms 205104 KB Output is correct
37 Correct 1296 ms 188556 KB Output is correct
38 Correct 1303 ms 189392 KB Output is correct
39 Correct 1052 ms 173612 KB Output is correct
40 Correct 1135 ms 177740 KB Output is correct
41 Correct 1216 ms 161760 KB Output is correct
42 Correct 1134 ms 160476 KB Output is correct
43 Correct 191 ms 102240 KB Output is correct
44 Correct 1198 ms 160564 KB Output is correct
45 Correct 1210 ms 155104 KB Output is correct
46 Correct 1050 ms 145632 KB Output is correct
47 Correct 706 ms 137276 KB Output is correct
48 Correct 635 ms 137308 KB Output is correct
49 Correct 760 ms 145888 KB Output is correct
50 Correct 868 ms 153564 KB Output is correct
51 Correct 780 ms 143964 KB Output is correct
52 Correct 3480 ms 608536 KB Output is correct
53 Execution timed out 5143 ms 695164 KB Time limit exceeded
54 Halted 0 ms 0 KB -