#include<bits/stdc++.h>
#include "jumps.h"
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=2e5+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=18;
int t[N],l[N][L+1],r[N][L+1],w[N][L+1],n;
void init(int nn,vi v){
n=nn;
for(int i=1;i<=n;i++) t[i]=v[i-1];
deque<pair<int,int> >deq;
for(int i=n;i>=1;i--){
while(deq.size() and deq.back().fi<t[i]) deq.pop_back();
if(!deq.size()) r[i][0]=n+1;
else r[i][0]=deq.back().se;
deq.push_back({t[i],i});
}
deq.clear();
for(int i=1;i<=n;i++){
while(deq.size() and deq.back().fi<t[i]) deq.pop_back();
if(!deq.size()) l[i][0]=0;
else l[i][0]=deq.back().se;
deq.push_back({t[i],i});
}
for(int i=0;i<=L;i++) r[n+1][i]=n+1;
for(int i=1;i<=n;i++){
for(int k=1;k<=L;k++) l[i][k]=l[l[i][k-1]][k-1];
}
for(int i=n;i>=1;i--){
for(int k=1;k<=L;k++) r[i][k]=r[r[i][k-1]][k-1];
}
t[n+1]=INFi;
for(int i=1;i<=n;i++){
if((r[i][0]==n+1 and l[i][0]!=0) or t[l[i][0]]>t[r[i][0]]) w[i][0]=l[i][0];
else w[i][0]=r[i][0];
}
for(int i=0;i<=L;i++) w[n+1][i]=n+1;
for(int i=1;i<=L;i++){
for(int k=1;k<=n;k++) w[k][i]=w[w[k][i-1]][i-1];
}
}
int minimum_jumps(int a,int b,int c,int d){
a++,b++,c++,d++;
int cc=c;
for(int i=L;i>=0;i--) if(r[cc][i]<=d) cc=r[cc][i];
if(t[b]>t[cc]) return -1;
int bb=b;
for(int i=L;i>=0;i--) if(l[bb][i]>=a and t[l[bb][i]]<t[cc]) bb=l[bb][i];
cc=c;
for(int i=L;i>=0;i--) if(r[cc][i]<=d and t[r[cc][i]]<t[bb]) cc=r[cc][i];
if(t[cc]<t[bb]) cc=r[cc][0];
int curr=0;
for(int i=L;i>=0;i--) if(t[w[bb][i]]<t[cc] and w[bb][i]<c) bb=w[bb][i],curr+=(1<<i);
int res=-1;
for(int i=L;i>=0;i--){
if(r[bb][i]<c) curr+=(1<<i),bb=r[bb][i];
else res=curr+(1<<i);
}
if(r[bb][0]>d) return -1;
return res;
}
/*int main(){
int n;
cin>>n;
vi xd;
for(int i=1;i<=n;i++){
int a;
cin>>a;
xd.push_back(a);
}
init(n,xd);
int q;
cin>>q;
while(q--){
int a,b,c,d;
cin>>a>>b>>c>>d;
cout<<minimum_jumps(a,b,c,d)<<"\n";
}
}*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
175 ms |
38640 KB |
Output is correct |
4 |
Correct |
1140 ms |
48200 KB |
Output is correct |
5 |
Correct |
956 ms |
24560 KB |
Output is correct |
6 |
Correct |
1163 ms |
48216 KB |
Output is correct |
7 |
Correct |
892 ms |
33408 KB |
Output is correct |
8 |
Correct |
959 ms |
48304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Incorrect |
3 ms |
336 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Incorrect |
3 ms |
336 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
75 ms |
38104 KB |
Output is correct |
6 |
Correct |
103 ms |
47248 KB |
Output is correct |
7 |
Correct |
42 ms |
24256 KB |
Output is correct |
8 |
Correct |
91 ms |
47176 KB |
Output is correct |
9 |
Correct |
11 ms |
7336 KB |
Output is correct |
10 |
Correct |
96 ms |
47160 KB |
Output is correct |
11 |
Correct |
92 ms |
48304 KB |
Output is correct |
12 |
Correct |
94 ms |
48312 KB |
Output is correct |
13 |
Incorrect |
87 ms |
48304 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
228 ms |
21704 KB |
Output is correct |
5 |
Correct |
805 ms |
47136 KB |
Output is correct |
6 |
Correct |
594 ms |
8016 KB |
Output is correct |
7 |
Correct |
792 ms |
47156 KB |
Output is correct |
8 |
Correct |
486 ms |
16456 KB |
Output is correct |
9 |
Correct |
874 ms |
47228 KB |
Output is correct |
10 |
Correct |
1008 ms |
48208 KB |
Output is correct |
11 |
Correct |
1012 ms |
48324 KB |
Output is correct |
12 |
Correct |
908 ms |
48312 KB |
Output is correct |
13 |
Correct |
932 ms |
47176 KB |
Output is correct |
14 |
Correct |
1002 ms |
47860 KB |
Output is correct |
15 |
Correct |
787 ms |
48832 KB |
Output is correct |
16 |
Correct |
833 ms |
48884 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
2 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
464 KB |
Output is correct |
27 |
Correct |
19 ms |
720 KB |
Output is correct |
28 |
Correct |
16 ms |
720 KB |
Output is correct |
29 |
Correct |
22 ms |
720 KB |
Output is correct |
30 |
Correct |
17 ms |
720 KB |
Output is correct |
31 |
Correct |
18 ms |
720 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
58 ms |
27384 KB |
Output is correct |
34 |
Correct |
95 ms |
47164 KB |
Output is correct |
35 |
Correct |
91 ms |
48248 KB |
Output is correct |
36 |
Correct |
90 ms |
47240 KB |
Output is correct |
37 |
Correct |
100 ms |
47844 KB |
Output is correct |
38 |
Correct |
92 ms |
48820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
228 ms |
21704 KB |
Output is correct |
5 |
Correct |
805 ms |
47136 KB |
Output is correct |
6 |
Correct |
594 ms |
8016 KB |
Output is correct |
7 |
Correct |
792 ms |
47156 KB |
Output is correct |
8 |
Correct |
486 ms |
16456 KB |
Output is correct |
9 |
Correct |
874 ms |
47228 KB |
Output is correct |
10 |
Correct |
1008 ms |
48208 KB |
Output is correct |
11 |
Correct |
1012 ms |
48324 KB |
Output is correct |
12 |
Correct |
908 ms |
48312 KB |
Output is correct |
13 |
Correct |
932 ms |
47176 KB |
Output is correct |
14 |
Correct |
1002 ms |
47860 KB |
Output is correct |
15 |
Correct |
787 ms |
48832 KB |
Output is correct |
16 |
Correct |
833 ms |
48884 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
2 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
2 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
0 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
464 KB |
Output is correct |
27 |
Correct |
19 ms |
720 KB |
Output is correct |
28 |
Correct |
16 ms |
720 KB |
Output is correct |
29 |
Correct |
22 ms |
720 KB |
Output is correct |
30 |
Correct |
17 ms |
720 KB |
Output is correct |
31 |
Correct |
18 ms |
720 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
58 ms |
27384 KB |
Output is correct |
34 |
Correct |
95 ms |
47164 KB |
Output is correct |
35 |
Correct |
91 ms |
48248 KB |
Output is correct |
36 |
Correct |
90 ms |
47240 KB |
Output is correct |
37 |
Correct |
100 ms |
47844 KB |
Output is correct |
38 |
Correct |
92 ms |
48820 KB |
Output is correct |
39 |
Correct |
0 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
0 ms |
208 KB |
Output is correct |
42 |
Correct |
254 ms |
21800 KB |
Output is correct |
43 |
Correct |
890 ms |
47248 KB |
Output is correct |
44 |
Correct |
491 ms |
8016 KB |
Output is correct |
45 |
Correct |
713 ms |
47256 KB |
Output is correct |
46 |
Correct |
566 ms |
16488 KB |
Output is correct |
47 |
Correct |
852 ms |
47260 KB |
Output is correct |
48 |
Correct |
1063 ms |
48324 KB |
Output is correct |
49 |
Correct |
939 ms |
48228 KB |
Output is correct |
50 |
Correct |
953 ms |
48244 KB |
Output is correct |
51 |
Correct |
882 ms |
47176 KB |
Output is correct |
52 |
Correct |
1004 ms |
47968 KB |
Output is correct |
53 |
Correct |
894 ms |
48808 KB |
Output is correct |
54 |
Correct |
908 ms |
48948 KB |
Output is correct |
55 |
Correct |
0 ms |
208 KB |
Output is correct |
56 |
Correct |
129 ms |
47008 KB |
Output is correct |
57 |
Correct |
910 ms |
47268 KB |
Output is correct |
58 |
Correct |
460 ms |
8528 KB |
Output is correct |
59 |
Correct |
916 ms |
47176 KB |
Output is correct |
60 |
Correct |
255 ms |
16972 KB |
Output is correct |
61 |
Correct |
882 ms |
47288 KB |
Output is correct |
62 |
Correct |
802 ms |
48216 KB |
Output is correct |
63 |
Correct |
946 ms |
48376 KB |
Output is correct |
64 |
Correct |
941 ms |
48312 KB |
Output is correct |
65 |
Correct |
904 ms |
47304 KB |
Output is correct |
66 |
Correct |
973 ms |
47808 KB |
Output is correct |
67 |
Correct |
728 ms |
48892 KB |
Output is correct |
68 |
Correct |
810 ms |
48908 KB |
Output is correct |
69 |
Correct |
0 ms |
208 KB |
Output is correct |
70 |
Correct |
1 ms |
336 KB |
Output is correct |
71 |
Correct |
2 ms |
336 KB |
Output is correct |
72 |
Correct |
2 ms |
336 KB |
Output is correct |
73 |
Correct |
2 ms |
336 KB |
Output is correct |
74 |
Correct |
2 ms |
336 KB |
Output is correct |
75 |
Correct |
2 ms |
336 KB |
Output is correct |
76 |
Correct |
0 ms |
208 KB |
Output is correct |
77 |
Correct |
0 ms |
208 KB |
Output is correct |
78 |
Correct |
2 ms |
208 KB |
Output is correct |
79 |
Correct |
2 ms |
336 KB |
Output is correct |
80 |
Correct |
2 ms |
336 KB |
Output is correct |
81 |
Correct |
1 ms |
336 KB |
Output is correct |
82 |
Correct |
2 ms |
336 KB |
Output is correct |
83 |
Correct |
2 ms |
336 KB |
Output is correct |
84 |
Correct |
0 ms |
336 KB |
Output is correct |
85 |
Correct |
3 ms |
336 KB |
Output is correct |
86 |
Correct |
17 ms |
720 KB |
Output is correct |
87 |
Correct |
13 ms |
720 KB |
Output is correct |
88 |
Correct |
20 ms |
720 KB |
Output is correct |
89 |
Correct |
16 ms |
720 KB |
Output is correct |
90 |
Correct |
17 ms |
720 KB |
Output is correct |
91 |
Correct |
0 ms |
336 KB |
Output is correct |
92 |
Correct |
1 ms |
464 KB |
Output is correct |
93 |
Correct |
16 ms |
720 KB |
Output is correct |
94 |
Correct |
17 ms |
720 KB |
Output is correct |
95 |
Correct |
11 ms |
720 KB |
Output is correct |
96 |
Correct |
17 ms |
720 KB |
Output is correct |
97 |
Correct |
19 ms |
720 KB |
Output is correct |
98 |
Correct |
0 ms |
208 KB |
Output is correct |
99 |
Correct |
90 ms |
47184 KB |
Output is correct |
100 |
Correct |
95 ms |
47276 KB |
Output is correct |
101 |
Correct |
87 ms |
48320 KB |
Output is correct |
102 |
Correct |
96 ms |
47304 KB |
Output is correct |
103 |
Correct |
99 ms |
47844 KB |
Output is correct |
104 |
Correct |
98 ms |
48884 KB |
Output is correct |
105 |
Correct |
0 ms |
208 KB |
Output is correct |
106 |
Correct |
49 ms |
27416 KB |
Output is correct |
107 |
Correct |
107 ms |
47176 KB |
Output is correct |
108 |
Correct |
93 ms |
48304 KB |
Output is correct |
109 |
Correct |
91 ms |
47244 KB |
Output is correct |
110 |
Correct |
101 ms |
47828 KB |
Output is correct |
111 |
Correct |
87 ms |
48904 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
175 ms |
38640 KB |
Output is correct |
4 |
Correct |
1140 ms |
48200 KB |
Output is correct |
5 |
Correct |
956 ms |
24560 KB |
Output is correct |
6 |
Correct |
1163 ms |
48216 KB |
Output is correct |
7 |
Correct |
892 ms |
33408 KB |
Output is correct |
8 |
Correct |
959 ms |
48304 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
2 ms |
208 KB |
Output is correct |
14 |
Incorrect |
3 ms |
336 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |