#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
struct event { int time,t,x; };
bool comp(event a,event b) {
if (a.time == b.time) return a.t < b.t;
else return a.time < b.time;
}
vi sorted;
vector<event> events;
multiset<int> stores[300000];
multimap<pii,int> M;
vpii tree[1 << 20];
int ans[300000];
int update(int s,int e,int as,int ae,int i,pii p) {
if (as > ae) return 0;
else if ((s > ae) || (e < as)) return 0;
else if ((s >= as) && (e <= ae)) {
tree[i].pb(p);
return 0;
}
int mid = (s+e) / 2;
update(s,mid,as,ae,2*i+1,p);
update(mid+1,e,as,ae,2*i+2,p);
return 0;
}
int query(int s,int e,int q,int i,pii p) {
if ((s > q) || (e < q)) return 0;
else if (s == e) {
tree[i].pb(p);
return 0;
}
int mid = (s+e) / 2;
query(s,mid,q,2*i+1,p);
query(mid+1,e,q,2*i+2,p);
tree[i].pb(p);
return 0;
}
int solve(int s,int e,int i) {
int j,k;
pii m = mp(-3e8,0);
sort(tree[i].begin(),tree[i].end());
for (j = 0; j < tree[i].size(); j++) {
if (tree[i][j].second >= 0) {
if (tree[i][j].second > m.second-(tree[i][j].first-m.first)) m = tree[i][j];
}
else ans[-tree[i][j].second-1] = max(ans[-tree[i][j].second-1],m.second-(tree[i][j].first-m.first));
}
m = mp(3e8,0);
for (j = tree[i].size()-1; j >= 0; j--) {
if (tree[i][j].second >= 0) {
if (tree[i][j].second > m.second-(m.first-tree[i][j].first)) m = tree[i][j];
}
else ans[-tree[i][j].second-1] = max(ans[-tree[i][j].second-1],m.second-(m.first-tree[i][j].first));
}
if (s != e) {
int mid = (s+e) / 2;
solve(s,mid,2*i+1),solve(mid+1,e,2*i+2);
}
return 0;
}
int main() {
int i;
int n,k,q;
int x,t,a,b,l,y;
scanf("%d %d %d",&n,&k,&q);
sorted.pb(0),sorted.pb(3e8);
for (i = 0; i < n; i++) {
scanf("%d %d %d %d",&x,&t,&a,&b);
events.pb((event){a,t,x});
events.pb((event){b+1,-t,x});
sorted.pb(a),sorted.pb(b+1);
}
sort(events.begin(),events.end(),comp);
sort(sorted.begin(),sorted.end());
sorted.resize(unique(sorted.begin(),sorted.end())-sorted.begin());
for (i = 0; i < k; i++) {
stores[i].insert(-3e8),stores[i].insert(3e8);
M.insert(mp(mp(0,6e8),0));
}
for (i = 0; i < events.size(); i++) {
events[i].time = lower_bound(sorted.begin(),sorted.end(),events[i].time)-sorted.begin();
if (events[i].t > 0) {
auto it = stores[events[i].t-1].lower_bound(events[i].x);
auto it2 = it;
it2--;
auto it3 = M.find(mp(*it+*it2,*it-*it2));
update(0,sorted.size()-2,it3->second,events[i].time-1,0,mp(*it+*it2,*it-*it2));
M.erase(it3);
M.insert(mp(mp(*it+events[i].x,*it-events[i].x),events[i].time));
M.insert(mp(mp(events[i].x+*it2,events[i].x-*it2),events[i].time));
stores[events[i].t-1].insert(events[i].x);
}
else {
auto it = stores[-events[i].t-1].lower_bound(events[i].x);
auto it2 = it;
it2--;
auto it3 = M.find(mp(*it+*it2,*it-*it2));
update(0,sorted.size()-2,it3->second,events[i].time-1,0,mp(*it+*it2,*it-*it2));
M.erase(it3);
it++,it2++;
it3 = M.find(mp(*it+*it2,*it-*it2));
update(0,sorted.size()-2,it3->second,events[i].time-1,0,mp(*it+*it2,*it-*it2));
M.erase(it3);
it2--;
M.insert(mp(mp(*it+*it2,*it-*it2),events[i].time));
stores[-events[i].t-1].erase(--it);
}
}
for (auto it = M.begin(); it != M.end(); it++) update(0,sorted.size()-2,it->second,sorted.size()-2,0,it->first);
M.clear();
for (i = 0; i < q; i++) {
scanf("%d %d",&l,&y);
int p = upper_bound(sorted.begin(),sorted.end(),y)-sorted.begin()-1;
query(0,sorted.size()-2,p,0,mp(2*l,-(i+1)));
}
solve(0,sorted.size()-2,0);
for (i = 0; i < q; i++) printf("%d\n",(ans[i] > 3e8) ? -1:ans[i]/2);
return 0;
}
Compilation message
new_home.cpp: In function 'int solve(int, int, int)':
new_home.cpp:99:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < tree[i].size(); j++) {
~~^~~~~~~~~~~~~~~~
new_home.cpp:96:11: warning: unused variable 'k' [-Wunused-variable]
int j,k;
^
new_home.cpp: In function 'int main()':
new_home.cpp:137:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < events.size(); i++) {
~~^~~~~~~~~~~~~~~
new_home.cpp:122:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&n,&k,&q);
~~~~~^~~~~~~~~~~~~~~~~~~~~
new_home.cpp:125:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d %d",&x,&t,&a,&b);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:169:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&l,&y);
~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
39032 KB |
Output is correct |
2 |
Correct |
37 ms |
39148 KB |
Output is correct |
3 |
Correct |
39 ms |
39148 KB |
Output is correct |
4 |
Correct |
42 ms |
39292 KB |
Output is correct |
5 |
Correct |
50 ms |
39292 KB |
Output is correct |
6 |
Correct |
39 ms |
39540 KB |
Output is correct |
7 |
Correct |
47 ms |
39540 KB |
Output is correct |
8 |
Correct |
39 ms |
39568 KB |
Output is correct |
9 |
Correct |
48 ms |
39592 KB |
Output is correct |
10 |
Correct |
46 ms |
39592 KB |
Output is correct |
11 |
Correct |
45 ms |
39592 KB |
Output is correct |
12 |
Correct |
39 ms |
39592 KB |
Output is correct |
13 |
Correct |
38 ms |
39592 KB |
Output is correct |
14 |
Correct |
54 ms |
39640 KB |
Output is correct |
15 |
Correct |
51 ms |
39660 KB |
Output is correct |
16 |
Correct |
44 ms |
39680 KB |
Output is correct |
17 |
Correct |
43 ms |
39828 KB |
Output is correct |
18 |
Correct |
48 ms |
39828 KB |
Output is correct |
19 |
Correct |
54 ms |
39828 KB |
Output is correct |
20 |
Correct |
47 ms |
39828 KB |
Output is correct |
21 |
Correct |
46 ms |
39828 KB |
Output is correct |
22 |
Correct |
46 ms |
39996 KB |
Output is correct |
23 |
Correct |
44 ms |
39996 KB |
Output is correct |
24 |
Correct |
44 ms |
39996 KB |
Output is correct |
25 |
Correct |
51 ms |
39996 KB |
Output is correct |
26 |
Correct |
44 ms |
39996 KB |
Output is correct |
27 |
Correct |
45 ms |
39996 KB |
Output is correct |
28 |
Correct |
44 ms |
39996 KB |
Output is correct |
29 |
Correct |
47 ms |
39996 KB |
Output is correct |
30 |
Correct |
45 ms |
39996 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
39032 KB |
Output is correct |
2 |
Correct |
37 ms |
39148 KB |
Output is correct |
3 |
Correct |
39 ms |
39148 KB |
Output is correct |
4 |
Correct |
42 ms |
39292 KB |
Output is correct |
5 |
Correct |
50 ms |
39292 KB |
Output is correct |
6 |
Correct |
39 ms |
39540 KB |
Output is correct |
7 |
Correct |
47 ms |
39540 KB |
Output is correct |
8 |
Correct |
39 ms |
39568 KB |
Output is correct |
9 |
Correct |
48 ms |
39592 KB |
Output is correct |
10 |
Correct |
46 ms |
39592 KB |
Output is correct |
11 |
Correct |
45 ms |
39592 KB |
Output is correct |
12 |
Correct |
39 ms |
39592 KB |
Output is correct |
13 |
Correct |
38 ms |
39592 KB |
Output is correct |
14 |
Correct |
54 ms |
39640 KB |
Output is correct |
15 |
Correct |
51 ms |
39660 KB |
Output is correct |
16 |
Correct |
44 ms |
39680 KB |
Output is correct |
17 |
Correct |
43 ms |
39828 KB |
Output is correct |
18 |
Correct |
48 ms |
39828 KB |
Output is correct |
19 |
Correct |
54 ms |
39828 KB |
Output is correct |
20 |
Correct |
47 ms |
39828 KB |
Output is correct |
21 |
Correct |
46 ms |
39828 KB |
Output is correct |
22 |
Correct |
46 ms |
39996 KB |
Output is correct |
23 |
Correct |
44 ms |
39996 KB |
Output is correct |
24 |
Correct |
44 ms |
39996 KB |
Output is correct |
25 |
Correct |
51 ms |
39996 KB |
Output is correct |
26 |
Correct |
44 ms |
39996 KB |
Output is correct |
27 |
Correct |
45 ms |
39996 KB |
Output is correct |
28 |
Correct |
44 ms |
39996 KB |
Output is correct |
29 |
Correct |
47 ms |
39996 KB |
Output is correct |
30 |
Correct |
45 ms |
39996 KB |
Output is correct |
31 |
Correct |
1401 ms |
86292 KB |
Output is correct |
32 |
Correct |
303 ms |
86292 KB |
Output is correct |
33 |
Correct |
1227 ms |
86292 KB |
Output is correct |
34 |
Correct |
1317 ms |
86292 KB |
Output is correct |
35 |
Correct |
1529 ms |
90488 KB |
Output is correct |
36 |
Correct |
1544 ms |
90572 KB |
Output is correct |
37 |
Correct |
955 ms |
90572 KB |
Output is correct |
38 |
Correct |
922 ms |
90572 KB |
Output is correct |
39 |
Correct |
633 ms |
90572 KB |
Output is correct |
40 |
Correct |
731 ms |
90572 KB |
Output is correct |
41 |
Correct |
852 ms |
90572 KB |
Output is correct |
42 |
Correct |
924 ms |
90572 KB |
Output is correct |
43 |
Correct |
194 ms |
90572 KB |
Output is correct |
44 |
Correct |
907 ms |
90572 KB |
Output is correct |
45 |
Correct |
816 ms |
90572 KB |
Output is correct |
46 |
Correct |
790 ms |
90572 KB |
Output is correct |
47 |
Correct |
403 ms |
90572 KB |
Output is correct |
48 |
Correct |
440 ms |
90572 KB |
Output is correct |
49 |
Correct |
563 ms |
90572 KB |
Output is correct |
50 |
Correct |
670 ms |
90572 KB |
Output is correct |
51 |
Correct |
484 ms |
90572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2459 ms |
105176 KB |
Output is correct |
2 |
Correct |
2752 ms |
105176 KB |
Output is correct |
3 |
Correct |
3173 ms |
159100 KB |
Output is correct |
4 |
Correct |
2822 ms |
159100 KB |
Output is correct |
5 |
Correct |
2883 ms |
159100 KB |
Output is correct |
6 |
Correct |
2824 ms |
159100 KB |
Output is correct |
7 |
Correct |
2737 ms |
159228 KB |
Output is correct |
8 |
Correct |
2393 ms |
159228 KB |
Output is correct |
9 |
Correct |
2599 ms |
159228 KB |
Output is correct |
10 |
Correct |
2504 ms |
159228 KB |
Output is correct |
11 |
Correct |
1662 ms |
159228 KB |
Output is correct |
12 |
Correct |
2121 ms |
159228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
5041 ms |
249020 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
39032 KB |
Output is correct |
2 |
Correct |
37 ms |
39148 KB |
Output is correct |
3 |
Correct |
39 ms |
39148 KB |
Output is correct |
4 |
Correct |
42 ms |
39292 KB |
Output is correct |
5 |
Correct |
50 ms |
39292 KB |
Output is correct |
6 |
Correct |
39 ms |
39540 KB |
Output is correct |
7 |
Correct |
47 ms |
39540 KB |
Output is correct |
8 |
Correct |
39 ms |
39568 KB |
Output is correct |
9 |
Correct |
48 ms |
39592 KB |
Output is correct |
10 |
Correct |
46 ms |
39592 KB |
Output is correct |
11 |
Correct |
45 ms |
39592 KB |
Output is correct |
12 |
Correct |
39 ms |
39592 KB |
Output is correct |
13 |
Correct |
38 ms |
39592 KB |
Output is correct |
14 |
Correct |
54 ms |
39640 KB |
Output is correct |
15 |
Correct |
51 ms |
39660 KB |
Output is correct |
16 |
Correct |
44 ms |
39680 KB |
Output is correct |
17 |
Correct |
43 ms |
39828 KB |
Output is correct |
18 |
Correct |
48 ms |
39828 KB |
Output is correct |
19 |
Correct |
54 ms |
39828 KB |
Output is correct |
20 |
Correct |
47 ms |
39828 KB |
Output is correct |
21 |
Correct |
46 ms |
39828 KB |
Output is correct |
22 |
Correct |
46 ms |
39996 KB |
Output is correct |
23 |
Correct |
44 ms |
39996 KB |
Output is correct |
24 |
Correct |
44 ms |
39996 KB |
Output is correct |
25 |
Correct |
51 ms |
39996 KB |
Output is correct |
26 |
Correct |
44 ms |
39996 KB |
Output is correct |
27 |
Correct |
45 ms |
39996 KB |
Output is correct |
28 |
Correct |
44 ms |
39996 KB |
Output is correct |
29 |
Correct |
47 ms |
39996 KB |
Output is correct |
30 |
Correct |
45 ms |
39996 KB |
Output is correct |
31 |
Correct |
1401 ms |
86292 KB |
Output is correct |
32 |
Correct |
303 ms |
86292 KB |
Output is correct |
33 |
Correct |
1227 ms |
86292 KB |
Output is correct |
34 |
Correct |
1317 ms |
86292 KB |
Output is correct |
35 |
Correct |
1529 ms |
90488 KB |
Output is correct |
36 |
Correct |
1544 ms |
90572 KB |
Output is correct |
37 |
Correct |
955 ms |
90572 KB |
Output is correct |
38 |
Correct |
922 ms |
90572 KB |
Output is correct |
39 |
Correct |
633 ms |
90572 KB |
Output is correct |
40 |
Correct |
731 ms |
90572 KB |
Output is correct |
41 |
Correct |
852 ms |
90572 KB |
Output is correct |
42 |
Correct |
924 ms |
90572 KB |
Output is correct |
43 |
Correct |
194 ms |
90572 KB |
Output is correct |
44 |
Correct |
907 ms |
90572 KB |
Output is correct |
45 |
Correct |
816 ms |
90572 KB |
Output is correct |
46 |
Correct |
790 ms |
90572 KB |
Output is correct |
47 |
Correct |
403 ms |
90572 KB |
Output is correct |
48 |
Correct |
440 ms |
90572 KB |
Output is correct |
49 |
Correct |
563 ms |
90572 KB |
Output is correct |
50 |
Correct |
670 ms |
90572 KB |
Output is correct |
51 |
Correct |
484 ms |
90572 KB |
Output is correct |
52 |
Correct |
1441 ms |
249020 KB |
Output is correct |
53 |
Correct |
1344 ms |
249020 KB |
Output is correct |
54 |
Correct |
1464 ms |
249020 KB |
Output is correct |
55 |
Correct |
941 ms |
249020 KB |
Output is correct |
56 |
Correct |
1004 ms |
249020 KB |
Output is correct |
57 |
Correct |
810 ms |
249020 KB |
Output is correct |
58 |
Correct |
1095 ms |
249020 KB |
Output is correct |
59 |
Correct |
1058 ms |
249020 KB |
Output is correct |
60 |
Correct |
893 ms |
249020 KB |
Output is correct |
61 |
Correct |
276 ms |
249020 KB |
Output is correct |
62 |
Correct |
1457 ms |
249020 KB |
Output is correct |
63 |
Correct |
1605 ms |
249020 KB |
Output is correct |
64 |
Correct |
1501 ms |
249020 KB |
Output is correct |
65 |
Correct |
1318 ms |
249020 KB |
Output is correct |
66 |
Correct |
938 ms |
249020 KB |
Output is correct |
67 |
Correct |
482 ms |
249020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
39032 KB |
Output is correct |
2 |
Correct |
37 ms |
39148 KB |
Output is correct |
3 |
Correct |
39 ms |
39148 KB |
Output is correct |
4 |
Correct |
42 ms |
39292 KB |
Output is correct |
5 |
Correct |
50 ms |
39292 KB |
Output is correct |
6 |
Correct |
39 ms |
39540 KB |
Output is correct |
7 |
Correct |
47 ms |
39540 KB |
Output is correct |
8 |
Correct |
39 ms |
39568 KB |
Output is correct |
9 |
Correct |
48 ms |
39592 KB |
Output is correct |
10 |
Correct |
46 ms |
39592 KB |
Output is correct |
11 |
Correct |
45 ms |
39592 KB |
Output is correct |
12 |
Correct |
39 ms |
39592 KB |
Output is correct |
13 |
Correct |
38 ms |
39592 KB |
Output is correct |
14 |
Correct |
54 ms |
39640 KB |
Output is correct |
15 |
Correct |
51 ms |
39660 KB |
Output is correct |
16 |
Correct |
44 ms |
39680 KB |
Output is correct |
17 |
Correct |
43 ms |
39828 KB |
Output is correct |
18 |
Correct |
48 ms |
39828 KB |
Output is correct |
19 |
Correct |
54 ms |
39828 KB |
Output is correct |
20 |
Correct |
47 ms |
39828 KB |
Output is correct |
21 |
Correct |
46 ms |
39828 KB |
Output is correct |
22 |
Correct |
46 ms |
39996 KB |
Output is correct |
23 |
Correct |
44 ms |
39996 KB |
Output is correct |
24 |
Correct |
44 ms |
39996 KB |
Output is correct |
25 |
Correct |
51 ms |
39996 KB |
Output is correct |
26 |
Correct |
44 ms |
39996 KB |
Output is correct |
27 |
Correct |
45 ms |
39996 KB |
Output is correct |
28 |
Correct |
44 ms |
39996 KB |
Output is correct |
29 |
Correct |
47 ms |
39996 KB |
Output is correct |
30 |
Correct |
45 ms |
39996 KB |
Output is correct |
31 |
Correct |
1401 ms |
86292 KB |
Output is correct |
32 |
Correct |
303 ms |
86292 KB |
Output is correct |
33 |
Correct |
1227 ms |
86292 KB |
Output is correct |
34 |
Correct |
1317 ms |
86292 KB |
Output is correct |
35 |
Correct |
1529 ms |
90488 KB |
Output is correct |
36 |
Correct |
1544 ms |
90572 KB |
Output is correct |
37 |
Correct |
955 ms |
90572 KB |
Output is correct |
38 |
Correct |
922 ms |
90572 KB |
Output is correct |
39 |
Correct |
633 ms |
90572 KB |
Output is correct |
40 |
Correct |
731 ms |
90572 KB |
Output is correct |
41 |
Correct |
852 ms |
90572 KB |
Output is correct |
42 |
Correct |
924 ms |
90572 KB |
Output is correct |
43 |
Correct |
194 ms |
90572 KB |
Output is correct |
44 |
Correct |
907 ms |
90572 KB |
Output is correct |
45 |
Correct |
816 ms |
90572 KB |
Output is correct |
46 |
Correct |
790 ms |
90572 KB |
Output is correct |
47 |
Correct |
403 ms |
90572 KB |
Output is correct |
48 |
Correct |
440 ms |
90572 KB |
Output is correct |
49 |
Correct |
563 ms |
90572 KB |
Output is correct |
50 |
Correct |
670 ms |
90572 KB |
Output is correct |
51 |
Correct |
484 ms |
90572 KB |
Output is correct |
52 |
Correct |
2459 ms |
105176 KB |
Output is correct |
53 |
Correct |
2752 ms |
105176 KB |
Output is correct |
54 |
Correct |
3173 ms |
159100 KB |
Output is correct |
55 |
Correct |
2822 ms |
159100 KB |
Output is correct |
56 |
Correct |
2883 ms |
159100 KB |
Output is correct |
57 |
Correct |
2824 ms |
159100 KB |
Output is correct |
58 |
Correct |
2737 ms |
159228 KB |
Output is correct |
59 |
Correct |
2393 ms |
159228 KB |
Output is correct |
60 |
Correct |
2599 ms |
159228 KB |
Output is correct |
61 |
Correct |
2504 ms |
159228 KB |
Output is correct |
62 |
Correct |
1662 ms |
159228 KB |
Output is correct |
63 |
Correct |
2121 ms |
159228 KB |
Output is correct |
64 |
Execution timed out |
5041 ms |
249020 KB |
Time limit exceeded |
65 |
Halted |
0 ms |
0 KB |
- |