oj.uz

Submission #99892

# Submission time Handle Problem Language Result Execution time Memory
99892 2019-03-08T13:09:11 Z TadijaSebez New Home (APIO18_new_home) C++11
47 / 100
 5000 ms 668828 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);
}*/
int lsz[M],rsz[M];
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()));
		}
	}
	lsz[c]=STL[c].size();
	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());
	rsz[c]=STR[c].size();
	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(lsz[c] && get<0>(STL[c][lsz[c]-1])>x) lsz[c]--;
	while(rsz[c] && get<0>(STR[c][rsz[c]-1])>x)	rsz[c]--;
	if(lsz[c] && get<1>(STL[c][lsz[c]-1])>=x) ans=max(ans,x-get<2>(STL[c][lsz[c]-1]));
	if(rsz[c] && get<1>(STR[c][rsz[c]-1])>=x) ans=max(ans,get<2>(STR[c][rsz[c]-1])-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:52:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  c=++tsz;int mid=ss+se>>1;
                  ~~^~~
new_home.cpp:55:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j=0;j<l.size();j++)
              ~^~~~~~~~~
new_home.cpp:65:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j=0;j<r.size();j++)
              ~^~~~~~~~~
new_home.cpp:77:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<LST.size();i++)
              ~^~~~~~~~~~~
new_home.cpp:89:15: 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:115:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;
          ~~^~~
new_home.cpp: In function 'int main()':
new_home.cpp:184:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<L.size();i++) lb.pb(i);
              ~^~~~~~~~~
new_home.cpp:185:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<R.size();i++) rb.pb(i);
              ~^~~~~~~~~
new_home.cpp:122:7: 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:126:8: 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:132:8: 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 80 ms 84984 KB Output is correct
2 Correct 82 ms 84984 KB Output is correct
3 Correct 79 ms 84984 KB Output is correct
4 Correct 80 ms 85096 KB Output is correct
5 Correct 92 ms 85112 KB Output is correct
6 Correct 110 ms 85496 KB Output is correct
7 Correct 82 ms 85424 KB Output is correct
8 Correct 84 ms 85368 KB Output is correct
9 Correct 85 ms 85212 KB Output is correct
10 Correct 89 ms 85536 KB Output is correct
11 Correct 87 ms 85240 KB Output is correct
12 Correct 94 ms 85496 KB Output is correct
13 Correct 89 ms 85240 KB Output is correct
14 Correct 86 ms 85240 KB Output is correct
15 Correct 92 ms 85496 KB Output is correct
16 Correct 105 ms 85496 KB Output is correct
17 Correct 100 ms 85448 KB Output is correct
18 Correct 85 ms 85368 KB Output is correct
19 Correct 92 ms 85368 KB Output is correct
20 Correct 85 ms 85368 KB Output is correct
21 Correct 80 ms 85112 KB Output is correct
22 Correct 84 ms 85300 KB Output is correct
23 Correct 81 ms 85368 KB Output is correct
24 Correct 90 ms 85340 KB Output is correct
25 Correct 94 ms 85368 KB Output is correct
26 Correct 86 ms 85412 KB Output is correct
27 Correct 87 ms 85120 KB Output is correct
28 Correct 88 ms 85240 KB Output is correct
29 Correct 82 ms 85240 KB Output is correct
30 Correct 88 ms 85212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 84984 KB Output is correct
2 Correct 82 ms 84984 KB Output is correct
3 Correct 79 ms 84984 KB Output is correct
4 Correct 80 ms 85096 KB Output is correct
5 Correct 92 ms 85112 KB Output is correct
6 Correct 110 ms 85496 KB Output is correct
7 Correct 82 ms 85424 KB Output is correct
8 Correct 84 ms 85368 KB Output is correct
9 Correct 85 ms 85212 KB Output is correct
10 Correct 89 ms 85536 KB Output is correct
11 Correct 87 ms 85240 KB Output is correct
12 Correct 94 ms 85496 KB Output is correct
13 Correct 89 ms 85240 KB Output is correct
14 Correct 86 ms 85240 KB Output is correct
15 Correct 92 ms 85496 KB Output is correct
16 Correct 105 ms 85496 KB Output is correct
17 Correct 100 ms 85448 KB Output is correct
18 Correct 85 ms 85368 KB Output is correct
19 Correct 92 ms 85368 KB Output is correct
20 Correct 85 ms 85368 KB Output is correct
21 Correct 80 ms 85112 KB Output is correct
22 Correct 84 ms 85300 KB Output is correct
23 Correct 81 ms 85368 KB Output is correct
24 Correct 90 ms 85340 KB Output is correct
25 Correct 94 ms 85368 KB Output is correct
26 Correct 86 ms 85412 KB Output is correct
27 Correct 87 ms 85120 KB Output is correct
28 Correct 88 ms 85240 KB Output is correct
29 Correct 82 ms 85240 KB Output is correct
30 Correct 88 ms 85212 KB Output is correct
31 Correct 1705 ms 200820 KB Output is correct
32 Correct 312 ms 106940 KB Output is correct
33 Correct 1877 ms 204840 KB Output is correct
34 Correct 1782 ms 197076 KB Output is correct
35 Correct 1729 ms 204284 KB Output is correct
36 Correct 1918 ms 209940 KB Output is correct
37 Correct 1478 ms 193488 KB Output is correct
38 Correct 1365 ms 194132 KB Output is correct
39 Correct 1138 ms 178224 KB Output is correct
40 Correct 1124 ms 182348 KB Output is correct
41 Correct 1248 ms 166436 KB Output is correct
42 Correct 1287 ms 164728 KB Output is correct
43 Correct 188 ms 102392 KB Output is correct
44 Correct 1283 ms 165164 KB Output is correct
45 Correct 1337 ms 159900 KB Output is correct
46 Correct 1295 ms 150212 KB Output is correct
47 Correct 826 ms 141156 KB Output is correct
48 Correct 667 ms 141408 KB Output is correct
49 Correct 777 ms 150288 KB Output is correct
50 Correct 882 ms 157444 KB Output is correct
51 Correct 807 ms 148316 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3419 ms 609044 KB Output is correct
2 Execution timed out 5136 ms 668828 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 5117 ms 572524 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 84984 KB Output is correct
2 Correct 82 ms 84984 KB Output is correct
3 Correct 79 ms 84984 KB Output is correct
4 Correct 80 ms 85096 KB Output is correct
5 Correct 92 ms 85112 KB Output is correct
6 Correct 110 ms 85496 KB Output is correct
7 Correct 82 ms 85424 KB Output is correct
8 Correct 84 ms 85368 KB Output is correct
9 Correct 85 ms 85212 KB Output is correct
10 Correct 89 ms 85536 KB Output is correct
11 Correct 87 ms 85240 KB Output is correct
12 Correct 94 ms 85496 KB Output is correct
13 Correct 89 ms 85240 KB Output is correct
14 Correct 86 ms 85240 KB Output is correct
15 Correct 92 ms 85496 KB Output is correct
16 Correct 105 ms 85496 KB Output is correct
17 Correct 100 ms 85448 KB Output is correct
18 Correct 85 ms 85368 KB Output is correct
19 Correct 92 ms 85368 KB Output is correct
20 Correct 85 ms 85368 KB Output is correct
21 Correct 80 ms 85112 KB Output is correct
22 Correct 84 ms 85300 KB Output is correct
23 Correct 81 ms 85368 KB Output is correct
24 Correct 90 ms 85340 KB Output is correct
25 Correct 94 ms 85368 KB Output is correct
26 Correct 86 ms 85412 KB Output is correct
27 Correct 87 ms 85120 KB Output is correct
28 Correct 88 ms 85240 KB Output is correct
29 Correct 82 ms 85240 KB Output is correct
30 Correct 88 ms 85212 KB Output is correct
31 Correct 1705 ms 200820 KB Output is correct
32 Correct 312 ms 106940 KB Output is correct
33 Correct 1877 ms 204840 KB Output is correct
34 Correct 1782 ms 197076 KB Output is correct
35 Correct 1729 ms 204284 KB Output is correct
36 Correct 1918 ms 209940 KB Output is correct
37 Correct 1478 ms 193488 KB Output is correct
38 Correct 1365 ms 194132 KB Output is correct
39 Correct 1138 ms 178224 KB Output is correct
40 Correct 1124 ms 182348 KB Output is correct
41 Correct 1248 ms 166436 KB Output is correct
42 Correct 1287 ms 164728 KB Output is correct
43 Correct 188 ms 102392 KB Output is correct
44 Correct 1283 ms 165164 KB Output is correct
45 Correct 1337 ms 159900 KB Output is correct
46 Correct 1295 ms 150212 KB Output is correct
47 Correct 826 ms 141156 KB Output is correct
48 Correct 667 ms 141408 KB Output is correct
49 Correct 777 ms 150288 KB Output is correct
50 Correct 882 ms 157444 KB Output is correct
51 Correct 807 ms 148316 KB Output is correct
52 Correct 637 ms 140744 KB Output is correct
53 Correct 655 ms 138308 KB Output is correct
54 Correct 1049 ms 167140 KB Output is correct
55 Correct 1156 ms 161656 KB Output is correct
56 Correct 991 ms 158304 KB Output is correct
57 Correct 1221 ms 164976 KB Output is correct
58 Correct 1167 ms 160228 KB Output is correct
59 Correct 1181 ms 156640 KB Output is correct
60 Correct 1149 ms 164032 KB Output is correct
61 Correct 209 ms 111200 KB Output is correct
62 Correct 730 ms 143788 KB Output is correct
63 Correct 883 ms 161500 KB Output is correct
64 Correct 1086 ms 166972 KB Output is correct
65 Correct 1254 ms 173920 KB Output is correct
66 Correct 1301 ms 170076 KB Output is correct
67 Correct 495 ms 119644 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 84984 KB Output is correct
2 Correct 82 ms 84984 KB Output is correct
3 Correct 79 ms 84984 KB Output is correct
4 Correct 80 ms 85096 KB Output is correct
5 Correct 92 ms 85112 KB Output is correct
6 Correct 110 ms 85496 KB Output is correct
7 Correct 82 ms 85424 KB Output is correct
8 Correct 84 ms 85368 KB Output is correct
9 Correct 85 ms 85212 KB Output is correct
10 Correct 89 ms 85536 KB Output is correct
11 Correct 87 ms 85240 KB Output is correct
12 Correct 94 ms 85496 KB Output is correct
13 Correct 89 ms 85240 KB Output is correct
14 Correct 86 ms 85240 KB Output is correct
15 Correct 92 ms 85496 KB Output is correct
16 Correct 105 ms 85496 KB Output is correct
17 Correct 100 ms 85448 KB Output is correct
18 Correct 85 ms 85368 KB Output is correct
19 Correct 92 ms 85368 KB Output is correct
20 Correct 85 ms 85368 KB Output is correct
21 Correct 80 ms 85112 KB Output is correct
22 Correct 84 ms 85300 KB Output is correct
23 Correct 81 ms 85368 KB Output is correct
24 Correct 90 ms 85340 KB Output is correct
25 Correct 94 ms 85368 KB Output is correct
26 Correct 86 ms 85412 KB Output is correct
27 Correct 87 ms 85120 KB Output is correct
28 Correct 88 ms 85240 KB Output is correct
29 Correct 82 ms 85240 KB Output is correct
30 Correct 88 ms 85212 KB Output is correct
31 Correct 1705 ms 200820 KB Output is correct
32 Correct 312 ms 106940 KB Output is correct
33 Correct 1877 ms 204840 KB Output is correct
34 Correct 1782 ms 197076 KB Output is correct
35 Correct 1729 ms 204284 KB Output is correct
36 Correct 1918 ms 209940 KB Output is correct
37 Correct 1478 ms 193488 KB Output is correct
38 Correct 1365 ms 194132 KB Output is correct
39 Correct 1138 ms 178224 KB Output is correct
40 Correct 1124 ms 182348 KB Output is correct
41 Correct 1248 ms 166436 KB Output is correct
42 Correct 1287 ms 164728 KB Output is correct
43 Correct 188 ms 102392 KB Output is correct
44 Correct 1283 ms 165164 KB Output is correct
45 Correct 1337 ms 159900 KB Output is correct
46 Correct 1295 ms 150212 KB Output is correct
47 Correct 826 ms 141156 KB Output is correct
48 Correct 667 ms 141408 KB Output is correct
49 Correct 777 ms 150288 KB Output is correct
50 Correct 882 ms 157444 KB Output is correct
51 Correct 807 ms 148316 KB Output is correct
52 Correct 3419 ms 609044 KB Output is correct
53 Execution timed out 5136 ms 668828 KB Time limit exceeded
54 Halted 0 ms 0 KB -