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Submission #99865

# Submission time Handle Problem Language Result Execution time Memory
99865 2019-03-07T23:16:25 Z TadijaSebez New Home (APIO18_new_home) C++11
47 / 100
 3995 ms 1049600 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<tuple<int,int,int,int>> L, vector<tuple<int,int,int,int>> R)
{
	c=++tsz;int mid=ss+se>>1;
	vector<tuple<int,int,int,int>> PLL,PRL,PLR,PRR;
	LST.clear();RST.clear();
	for(int i=0;i<L.size();i++)
	{
		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(L[i]);
			if(get<1>(L[i])>mid) PRL.pb(L[i]);
		}
	}
	for(int i=0;i<R.size();i++)
	{
		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(R[i]);
			if(get<1>(R[i])>mid) PRR.pb(R[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());
	if(ss==se) return;
	Build(ls[c],ss,mid,PLL,PLR);
	Build(rs[c],mid+1,se,PRL,PRR);
}
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));
	Build(root,1,id.size(),L,R);
	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<std::tuple<int, int, int, int> >, std::vector<std::tuple<int, int, int, 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 i=0;i<L.size();i++)
              ~^~~~~~~~~
new_home.cpp:63:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<R.size();i++)
              ~^~~~~~~~~
new_home.cpp:74:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<LST.size();i++)
              ~^~~~~~~~~~~
new_home.cpp:85:15: 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:107:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;
          ~~^~~
new_home.cpp: In function 'int main()':
new_home.cpp:114:7: 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:118:8: 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:124:8: 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 82 ms 85008 KB Output is correct
2 Correct 79 ms 84984 KB Output is correct
3 Correct 77 ms 84984 KB Output is correct
4 Correct 79 ms 84984 KB Output is correct
5 Correct 80 ms 85304 KB Output is correct
6 Correct 85 ms 85596 KB Output is correct
7 Correct 81 ms 85320 KB Output is correct
8 Correct 80 ms 85496 KB Output is correct
9 Correct 80 ms 85304 KB Output is correct
10 Correct 84 ms 85752 KB Output is correct
11 Correct 80 ms 85368 KB Output is correct
12 Correct 89 ms 85572 KB Output is correct
13 Correct 79 ms 85152 KB Output is correct
14 Correct 84 ms 85240 KB Output is correct
15 Correct 86 ms 85372 KB Output is correct
16 Correct 83 ms 85624 KB Output is correct
17 Correct 83 ms 85496 KB Output is correct
18 Correct 79 ms 85496 KB Output is correct
19 Correct 81 ms 85380 KB Output is correct
20 Correct 125 ms 85468 KB Output is correct
21 Correct 81 ms 85284 KB Output is correct
22 Correct 81 ms 85400 KB Output is correct
23 Correct 81 ms 85500 KB Output is correct
24 Correct 80 ms 85496 KB Output is correct
25 Correct 82 ms 85604 KB Output is correct
26 Correct 84 ms 85496 KB Output is correct
27 Correct 80 ms 85340 KB Output is correct
28 Correct 80 ms 85372 KB Output is correct
29 Correct 83 ms 85320 KB Output is correct
30 Correct 79 ms 85240 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 85008 KB Output is correct
2 Correct 79 ms 84984 KB Output is correct
3 Correct 77 ms 84984 KB Output is correct
4 Correct 79 ms 84984 KB Output is correct
5 Correct 80 ms 85304 KB Output is correct
6 Correct 85 ms 85596 KB Output is correct
7 Correct 81 ms 85320 KB Output is correct
8 Correct 80 ms 85496 KB Output is correct
9 Correct 80 ms 85304 KB Output is correct
10 Correct 84 ms 85752 KB Output is correct
11 Correct 80 ms 85368 KB Output is correct
12 Correct 89 ms 85572 KB Output is correct
13 Correct 79 ms 85152 KB Output is correct
14 Correct 84 ms 85240 KB Output is correct
15 Correct 86 ms 85372 KB Output is correct
16 Correct 83 ms 85624 KB Output is correct
17 Correct 83 ms 85496 KB Output is correct
18 Correct 79 ms 85496 KB Output is correct
19 Correct 81 ms 85380 KB Output is correct
20 Correct 125 ms 85468 KB Output is correct
21 Correct 81 ms 85284 KB Output is correct
22 Correct 81 ms 85400 KB Output is correct
23 Correct 81 ms 85500 KB Output is correct
24 Correct 80 ms 85496 KB Output is correct
25 Correct 82 ms 85604 KB Output is correct
26 Correct 84 ms 85496 KB Output is correct
27 Correct 80 ms 85340 KB Output is correct
28 Correct 80 ms 85372 KB Output is correct
29 Correct 83 ms 85320 KB Output is correct
30 Correct 79 ms 85240 KB Output is correct
31 Correct 1657 ms 228928 KB Output is correct
32 Correct 347 ms 123176 KB Output is correct
33 Correct 1708 ms 224324 KB Output is correct
34 Correct 1615 ms 219024 KB Output is correct
35 Correct 1766 ms 230372 KB Output is correct
36 Correct 1799 ms 231120 KB Output is correct
37 Correct 1424 ms 207656 KB Output is correct
38 Correct 1383 ms 208132 KB Output is correct
39 Correct 1225 ms 190232 KB Output is correct
40 Correct 1360 ms 194504 KB Output is correct
41 Correct 1288 ms 176024 KB Output is correct
42 Correct 1104 ms 174660 KB Output is correct
43 Correct 201 ms 115552 KB Output is correct
44 Correct 1227 ms 175520 KB Output is correct
45 Correct 1118 ms 168196 KB Output is correct
46 Correct 1041 ms 157916 KB Output is correct
47 Correct 648 ms 147912 KB Output is correct
48 Correct 672 ms 148116 KB Output is correct
49 Correct 844 ms 157764 KB Output is correct
50 Correct 883 ms 165148 KB Output is correct
51 Correct 823 ms 155612 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 3169 ms 1049600 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 3995 ms 1049600 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 85008 KB Output is correct
2 Correct 79 ms 84984 KB Output is correct
3 Correct 77 ms 84984 KB Output is correct
4 Correct 79 ms 84984 KB Output is correct
5 Correct 80 ms 85304 KB Output is correct
6 Correct 85 ms 85596 KB Output is correct
7 Correct 81 ms 85320 KB Output is correct
8 Correct 80 ms 85496 KB Output is correct
9 Correct 80 ms 85304 KB Output is correct
10 Correct 84 ms 85752 KB Output is correct
11 Correct 80 ms 85368 KB Output is correct
12 Correct 89 ms 85572 KB Output is correct
13 Correct 79 ms 85152 KB Output is correct
14 Correct 84 ms 85240 KB Output is correct
15 Correct 86 ms 85372 KB Output is correct
16 Correct 83 ms 85624 KB Output is correct
17 Correct 83 ms 85496 KB Output is correct
18 Correct 79 ms 85496 KB Output is correct
19 Correct 81 ms 85380 KB Output is correct
20 Correct 125 ms 85468 KB Output is correct
21 Correct 81 ms 85284 KB Output is correct
22 Correct 81 ms 85400 KB Output is correct
23 Correct 81 ms 85500 KB Output is correct
24 Correct 80 ms 85496 KB Output is correct
25 Correct 82 ms 85604 KB Output is correct
26 Correct 84 ms 85496 KB Output is correct
27 Correct 80 ms 85340 KB Output is correct
28 Correct 80 ms 85372 KB Output is correct
29 Correct 83 ms 85320 KB Output is correct
30 Correct 79 ms 85240 KB Output is correct
31 Correct 1657 ms 228928 KB Output is correct
32 Correct 347 ms 123176 KB Output is correct
33 Correct 1708 ms 224324 KB Output is correct
34 Correct 1615 ms 219024 KB Output is correct
35 Correct 1766 ms 230372 KB Output is correct
36 Correct 1799 ms 231120 KB Output is correct
37 Correct 1424 ms 207656 KB Output is correct
38 Correct 1383 ms 208132 KB Output is correct
39 Correct 1225 ms 190232 KB Output is correct
40 Correct 1360 ms 194504 KB Output is correct
41 Correct 1288 ms 176024 KB Output is correct
42 Correct 1104 ms 174660 KB Output is correct
43 Correct 201 ms 115552 KB Output is correct
44 Correct 1227 ms 175520 KB Output is correct
45 Correct 1118 ms 168196 KB Output is correct
46 Correct 1041 ms 157916 KB Output is correct
47 Correct 648 ms 147912 KB Output is correct
48 Correct 672 ms 148116 KB Output is correct
49 Correct 844 ms 157764 KB Output is correct
50 Correct 883 ms 165148 KB Output is correct
51 Correct 823 ms 155612 KB Output is correct
52 Correct 626 ms 152304 KB Output is correct
53 Correct 655 ms 147916 KB Output is correct
54 Correct 972 ms 189460 KB Output is correct
55 Correct 1020 ms 174820 KB Output is correct
56 Correct 928 ms 171108 KB Output is correct
57 Correct 1144 ms 176564 KB Output is correct
58 Correct 1012 ms 171652 KB Output is correct
59 Correct 894 ms 168804 KB Output is correct
60 Correct 1097 ms 176440 KB Output is correct
61 Correct 188 ms 114272 KB Output is correct
62 Correct 660 ms 156896 KB Output is correct
63 Correct 917 ms 178892 KB Output is correct
64 Correct 1109 ms 184252 KB Output is correct
65 Correct 1177 ms 190808 KB Output is correct
66 Correct 1389 ms 182368 KB Output is correct
67 Correct 490 ms 139868 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 85008 KB Output is correct
2 Correct 79 ms 84984 KB Output is correct
3 Correct 77 ms 84984 KB Output is correct
4 Correct 79 ms 84984 KB Output is correct
5 Correct 80 ms 85304 KB Output is correct
6 Correct 85 ms 85596 KB Output is correct
7 Correct 81 ms 85320 KB Output is correct
8 Correct 80 ms 85496 KB Output is correct
9 Correct 80 ms 85304 KB Output is correct
10 Correct 84 ms 85752 KB Output is correct
11 Correct 80 ms 85368 KB Output is correct
12 Correct 89 ms 85572 KB Output is correct
13 Correct 79 ms 85152 KB Output is correct
14 Correct 84 ms 85240 KB Output is correct
15 Correct 86 ms 85372 KB Output is correct
16 Correct 83 ms 85624 KB Output is correct
17 Correct 83 ms 85496 KB Output is correct
18 Correct 79 ms 85496 KB Output is correct
19 Correct 81 ms 85380 KB Output is correct
20 Correct 125 ms 85468 KB Output is correct
21 Correct 81 ms 85284 KB Output is correct
22 Correct 81 ms 85400 KB Output is correct
23 Correct 81 ms 85500 KB Output is correct
24 Correct 80 ms 85496 KB Output is correct
25 Correct 82 ms 85604 KB Output is correct
26 Correct 84 ms 85496 KB Output is correct
27 Correct 80 ms 85340 KB Output is correct
28 Correct 80 ms 85372 KB Output is correct
29 Correct 83 ms 85320 KB Output is correct
30 Correct 79 ms 85240 KB Output is correct
31 Correct 1657 ms 228928 KB Output is correct
32 Correct 347 ms 123176 KB Output is correct
33 Correct 1708 ms 224324 KB Output is correct
34 Correct 1615 ms 219024 KB Output is correct
35 Correct 1766 ms 230372 KB Output is correct
36 Correct 1799 ms 231120 KB Output is correct
37 Correct 1424 ms 207656 KB Output is correct
38 Correct 1383 ms 208132 KB Output is correct
39 Correct 1225 ms 190232 KB Output is correct
40 Correct 1360 ms 194504 KB Output is correct
41 Correct 1288 ms 176024 KB Output is correct
42 Correct 1104 ms 174660 KB Output is correct
43 Correct 201 ms 115552 KB Output is correct
44 Correct 1227 ms 175520 KB Output is correct
45 Correct 1118 ms 168196 KB Output is correct
46 Correct 1041 ms 157916 KB Output is correct
47 Correct 648 ms 147912 KB Output is correct
48 Correct 672 ms 148116 KB Output is correct
49 Correct 844 ms 157764 KB Output is correct
50 Correct 883 ms 165148 KB Output is correct
51 Correct 823 ms 155612 KB Output is correct
52 Runtime error 3169 ms 1049600 KB Execution killed with signal 9 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -