//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
void phongbeo();
const ll inf=1e9;
const int mod2=1e9+7;
const int mod1=998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a,b,c;
};
struct id
{
int a,b,c,d;
};
struct ie
{
int a,b,c,d,e;
};
int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,l,r,mid;
int i,s10,s12;
int kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
//fin(task),fou(task);
#endif
NHP
/// cin>>s1;
// modwwe
phongbeo();
}
ib a[200001];
int b[200001];
int st[18][200001];
vector<int> v;
void phongbeo()
{
cin>>n>>m;
for(int i=1; i<=n; i++)
{
cin>>a[i].a>>a[i].b,v.pb(a[i].a);
if(a[i].b<a[i].a) a[i].b+=m,v.pb(a[i].b);
}
sort(v.begin(),v.end());
for(int i=1; i<=n; i++)
a[i].a=lower_bound(v.begin(),v.end(),a[i].a)-v.begin()+1,
a[i].b=upper_bound(v.begin(),v.end(),a[i].b)-v.begin(),
b[a[i].a]=max(a[i].b,b[a[i].a]),
s3=max(s3,a[i].b);
for(int i=1; i<=n; i++)
b[i]=max(b[i],b[i-1]),
st[0][i]=b[i];
for(int i=1; i<18; i++)
for(int j=1; j<=n; j++)
if(st[i-1][j]>n)st[i][j]=s3;
else st[i][j]=st[i-1][st[i-1][j]];
s6=inf;
for(int i=1; i<=n; i++)
{
if(v[s3-1]-m<v[i-1])break;
s4=0;
s5=i;
for(int j=17; j>=0; --j){
if(s5>n) break;
if(v[st[j][s5]-1]-m<v[i-1])
s5=st[j][s5],
s4+=(1<<j);
}
if(s5>n)s5=s3;
else s5=st[0][s5];
s4++;
if(v[s5-1]-m>=v[i-1])s6=min(s6,s4);
}
if(s6==inf) cout<<-1;
else
cout<<s6;
}
Compilation message
Main.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
51 | main()
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29020 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29016 KB |
Output is correct |
9 |
Correct |
2 ms |
29020 KB |
Output is correct |
10 |
Correct |
2 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29020 KB |
Output is correct |
12 |
Correct |
2 ms |
29020 KB |
Output is correct |
13 |
Correct |
2 ms |
29020 KB |
Output is correct |
14 |
Correct |
3 ms |
29272 KB |
Output is correct |
15 |
Correct |
2 ms |
29020 KB |
Output is correct |
16 |
Correct |
2 ms |
29020 KB |
Output is correct |
17 |
Correct |
2 ms |
29148 KB |
Output is correct |
18 |
Correct |
2 ms |
29020 KB |
Output is correct |
19 |
Correct |
2 ms |
29020 KB |
Output is correct |
20 |
Correct |
2 ms |
29020 KB |
Output is correct |
21 |
Correct |
2 ms |
29020 KB |
Output is correct |
22 |
Correct |
2 ms |
29152 KB |
Output is correct |
23 |
Correct |
2 ms |
29020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29020 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29016 KB |
Output is correct |
9 |
Correct |
2 ms |
29020 KB |
Output is correct |
10 |
Correct |
2 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29020 KB |
Output is correct |
12 |
Correct |
2 ms |
29020 KB |
Output is correct |
13 |
Correct |
2 ms |
29020 KB |
Output is correct |
14 |
Correct |
3 ms |
29272 KB |
Output is correct |
15 |
Correct |
2 ms |
29020 KB |
Output is correct |
16 |
Correct |
2 ms |
29020 KB |
Output is correct |
17 |
Correct |
2 ms |
29148 KB |
Output is correct |
18 |
Correct |
2 ms |
29020 KB |
Output is correct |
19 |
Correct |
2 ms |
29020 KB |
Output is correct |
20 |
Correct |
2 ms |
29020 KB |
Output is correct |
21 |
Correct |
2 ms |
29020 KB |
Output is correct |
22 |
Correct |
2 ms |
29152 KB |
Output is correct |
23 |
Correct |
2 ms |
29020 KB |
Output is correct |
24 |
Correct |
2 ms |
29020 KB |
Output is correct |
25 |
Correct |
3 ms |
29020 KB |
Output is correct |
26 |
Correct |
2 ms |
29136 KB |
Output is correct |
27 |
Correct |
2 ms |
29020 KB |
Output is correct |
28 |
Correct |
2 ms |
29020 KB |
Output is correct |
29 |
Correct |
2 ms |
29020 KB |
Output is correct |
30 |
Correct |
2 ms |
29172 KB |
Output is correct |
31 |
Correct |
2 ms |
29020 KB |
Output is correct |
32 |
Correct |
2 ms |
29020 KB |
Output is correct |
33 |
Correct |
3 ms |
29020 KB |
Output is correct |
34 |
Correct |
2 ms |
29020 KB |
Output is correct |
35 |
Correct |
2 ms |
29020 KB |
Output is correct |
36 |
Correct |
2 ms |
29184 KB |
Output is correct |
37 |
Correct |
2 ms |
29020 KB |
Output is correct |
38 |
Correct |
2 ms |
29020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29020 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29016 KB |
Output is correct |
9 |
Correct |
2 ms |
29020 KB |
Output is correct |
10 |
Correct |
2 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29020 KB |
Output is correct |
12 |
Correct |
2 ms |
29020 KB |
Output is correct |
13 |
Correct |
2 ms |
29020 KB |
Output is correct |
14 |
Correct |
3 ms |
29272 KB |
Output is correct |
15 |
Correct |
2 ms |
29020 KB |
Output is correct |
16 |
Correct |
2 ms |
29020 KB |
Output is correct |
17 |
Correct |
2 ms |
29148 KB |
Output is correct |
18 |
Correct |
2 ms |
29020 KB |
Output is correct |
19 |
Correct |
2 ms |
29020 KB |
Output is correct |
20 |
Correct |
2 ms |
29020 KB |
Output is correct |
21 |
Correct |
2 ms |
29020 KB |
Output is correct |
22 |
Correct |
2 ms |
29152 KB |
Output is correct |
23 |
Correct |
2 ms |
29020 KB |
Output is correct |
24 |
Correct |
2 ms |
29020 KB |
Output is correct |
25 |
Correct |
3 ms |
29020 KB |
Output is correct |
26 |
Correct |
2 ms |
29136 KB |
Output is correct |
27 |
Correct |
2 ms |
29020 KB |
Output is correct |
28 |
Correct |
2 ms |
29020 KB |
Output is correct |
29 |
Correct |
2 ms |
29020 KB |
Output is correct |
30 |
Correct |
2 ms |
29172 KB |
Output is correct |
31 |
Correct |
2 ms |
29020 KB |
Output is correct |
32 |
Correct |
2 ms |
29020 KB |
Output is correct |
33 |
Correct |
3 ms |
29020 KB |
Output is correct |
34 |
Correct |
2 ms |
29020 KB |
Output is correct |
35 |
Correct |
2 ms |
29020 KB |
Output is correct |
36 |
Correct |
2 ms |
29184 KB |
Output is correct |
37 |
Correct |
2 ms |
29020 KB |
Output is correct |
38 |
Correct |
2 ms |
29020 KB |
Output is correct |
39 |
Correct |
4 ms |
29272 KB |
Output is correct |
40 |
Correct |
3 ms |
29276 KB |
Output is correct |
41 |
Correct |
4 ms |
29276 KB |
Output is correct |
42 |
Correct |
4 ms |
29232 KB |
Output is correct |
43 |
Correct |
3 ms |
29276 KB |
Output is correct |
44 |
Correct |
3 ms |
29276 KB |
Output is correct |
45 |
Correct |
4 ms |
29276 KB |
Output is correct |
46 |
Correct |
4 ms |
29276 KB |
Output is correct |
47 |
Correct |
4 ms |
29276 KB |
Output is correct |
48 |
Correct |
3 ms |
29408 KB |
Output is correct |
49 |
Correct |
3 ms |
29276 KB |
Output is correct |
50 |
Correct |
4 ms |
29232 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29020 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29020 KB |
Output is correct |
9 |
Correct |
3 ms |
29020 KB |
Output is correct |
10 |
Correct |
3 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29164 KB |
Output is correct |
12 |
Correct |
2 ms |
29020 KB |
Output is correct |
13 |
Correct |
2 ms |
29020 KB |
Output is correct |
14 |
Correct |
2 ms |
29188 KB |
Output is correct |
15 |
Correct |
4 ms |
29276 KB |
Output is correct |
16 |
Correct |
3 ms |
29276 KB |
Output is correct |
17 |
Correct |
3 ms |
29204 KB |
Output is correct |
18 |
Correct |
4 ms |
29276 KB |
Output is correct |
19 |
Correct |
3 ms |
29276 KB |
Output is correct |
20 |
Correct |
28 ms |
37020 KB |
Output is correct |
21 |
Correct |
74 ms |
35016 KB |
Output is correct |
22 |
Correct |
77 ms |
34768 KB |
Output is correct |
23 |
Correct |
71 ms |
34808 KB |
Output is correct |
24 |
Correct |
75 ms |
35016 KB |
Output is correct |
25 |
Correct |
70 ms |
35272 KB |
Output is correct |
26 |
Correct |
77 ms |
34764 KB |
Output is correct |
27 |
Correct |
73 ms |
35012 KB |
Output is correct |
28 |
Correct |
72 ms |
34768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29016 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29020 KB |
Output is correct |
9 |
Correct |
2 ms |
29020 KB |
Output is correct |
10 |
Correct |
2 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29020 KB |
Output is correct |
12 |
Correct |
3 ms |
29276 KB |
Output is correct |
13 |
Correct |
4 ms |
29276 KB |
Output is correct |
14 |
Correct |
3 ms |
29276 KB |
Output is correct |
15 |
Correct |
28 ms |
36384 KB |
Output is correct |
16 |
Correct |
69 ms |
34804 KB |
Output is correct |
17 |
Correct |
91 ms |
35020 KB |
Output is correct |
18 |
Correct |
80 ms |
35012 KB |
Output is correct |
19 |
Correct |
72 ms |
35012 KB |
Output is correct |
20 |
Correct |
70 ms |
35012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
29020 KB |
Output is correct |
2 |
Correct |
2 ms |
29020 KB |
Output is correct |
3 |
Correct |
2 ms |
29020 KB |
Output is correct |
4 |
Correct |
2 ms |
29020 KB |
Output is correct |
5 |
Correct |
2 ms |
29020 KB |
Output is correct |
6 |
Correct |
2 ms |
29020 KB |
Output is correct |
7 |
Correct |
2 ms |
29020 KB |
Output is correct |
8 |
Correct |
2 ms |
29016 KB |
Output is correct |
9 |
Correct |
2 ms |
29020 KB |
Output is correct |
10 |
Correct |
2 ms |
29020 KB |
Output is correct |
11 |
Correct |
2 ms |
29020 KB |
Output is correct |
12 |
Correct |
2 ms |
29020 KB |
Output is correct |
13 |
Correct |
2 ms |
29020 KB |
Output is correct |
14 |
Correct |
3 ms |
29272 KB |
Output is correct |
15 |
Correct |
2 ms |
29020 KB |
Output is correct |
16 |
Correct |
2 ms |
29020 KB |
Output is correct |
17 |
Correct |
2 ms |
29148 KB |
Output is correct |
18 |
Correct |
2 ms |
29020 KB |
Output is correct |
19 |
Correct |
2 ms |
29020 KB |
Output is correct |
20 |
Correct |
2 ms |
29020 KB |
Output is correct |
21 |
Correct |
2 ms |
29020 KB |
Output is correct |
22 |
Correct |
2 ms |
29152 KB |
Output is correct |
23 |
Correct |
2 ms |
29020 KB |
Output is correct |
24 |
Correct |
2 ms |
29020 KB |
Output is correct |
25 |
Correct |
3 ms |
29020 KB |
Output is correct |
26 |
Correct |
2 ms |
29136 KB |
Output is correct |
27 |
Correct |
2 ms |
29020 KB |
Output is correct |
28 |
Correct |
2 ms |
29020 KB |
Output is correct |
29 |
Correct |
2 ms |
29020 KB |
Output is correct |
30 |
Correct |
2 ms |
29172 KB |
Output is correct |
31 |
Correct |
2 ms |
29020 KB |
Output is correct |
32 |
Correct |
2 ms |
29020 KB |
Output is correct |
33 |
Correct |
3 ms |
29020 KB |
Output is correct |
34 |
Correct |
2 ms |
29020 KB |
Output is correct |
35 |
Correct |
2 ms |
29020 KB |
Output is correct |
36 |
Correct |
2 ms |
29184 KB |
Output is correct |
37 |
Correct |
2 ms |
29020 KB |
Output is correct |
38 |
Correct |
2 ms |
29020 KB |
Output is correct |
39 |
Correct |
4 ms |
29272 KB |
Output is correct |
40 |
Correct |
3 ms |
29276 KB |
Output is correct |
41 |
Correct |
4 ms |
29276 KB |
Output is correct |
42 |
Correct |
4 ms |
29232 KB |
Output is correct |
43 |
Correct |
3 ms |
29276 KB |
Output is correct |
44 |
Correct |
3 ms |
29276 KB |
Output is correct |
45 |
Correct |
4 ms |
29276 KB |
Output is correct |
46 |
Correct |
4 ms |
29276 KB |
Output is correct |
47 |
Correct |
4 ms |
29276 KB |
Output is correct |
48 |
Correct |
3 ms |
29408 KB |
Output is correct |
49 |
Correct |
3 ms |
29276 KB |
Output is correct |
50 |
Correct |
4 ms |
29232 KB |
Output is correct |
51 |
Correct |
2 ms |
29020 KB |
Output is correct |
52 |
Correct |
2 ms |
29020 KB |
Output is correct |
53 |
Correct |
2 ms |
29020 KB |
Output is correct |
54 |
Correct |
2 ms |
29020 KB |
Output is correct |
55 |
Correct |
2 ms |
29020 KB |
Output is correct |
56 |
Correct |
2 ms |
29020 KB |
Output is correct |
57 |
Correct |
2 ms |
29020 KB |
Output is correct |
58 |
Correct |
2 ms |
29020 KB |
Output is correct |
59 |
Correct |
3 ms |
29020 KB |
Output is correct |
60 |
Correct |
3 ms |
29020 KB |
Output is correct |
61 |
Correct |
2 ms |
29164 KB |
Output is correct |
62 |
Correct |
2 ms |
29020 KB |
Output is correct |
63 |
Correct |
2 ms |
29020 KB |
Output is correct |
64 |
Correct |
2 ms |
29188 KB |
Output is correct |
65 |
Correct |
4 ms |
29276 KB |
Output is correct |
66 |
Correct |
3 ms |
29276 KB |
Output is correct |
67 |
Correct |
3 ms |
29204 KB |
Output is correct |
68 |
Correct |
4 ms |
29276 KB |
Output is correct |
69 |
Correct |
3 ms |
29276 KB |
Output is correct |
70 |
Correct |
28 ms |
37020 KB |
Output is correct |
71 |
Correct |
74 ms |
35016 KB |
Output is correct |
72 |
Correct |
77 ms |
34768 KB |
Output is correct |
73 |
Correct |
71 ms |
34808 KB |
Output is correct |
74 |
Correct |
75 ms |
35016 KB |
Output is correct |
75 |
Correct |
70 ms |
35272 KB |
Output is correct |
76 |
Correct |
77 ms |
34764 KB |
Output is correct |
77 |
Correct |
73 ms |
35012 KB |
Output is correct |
78 |
Correct |
72 ms |
34768 KB |
Output is correct |
79 |
Correct |
2 ms |
29016 KB |
Output is correct |
80 |
Correct |
2 ms |
29020 KB |
Output is correct |
81 |
Correct |
2 ms |
29020 KB |
Output is correct |
82 |
Correct |
2 ms |
29020 KB |
Output is correct |
83 |
Correct |
2 ms |
29020 KB |
Output is correct |
84 |
Correct |
2 ms |
29020 KB |
Output is correct |
85 |
Correct |
2 ms |
29020 KB |
Output is correct |
86 |
Correct |
2 ms |
29020 KB |
Output is correct |
87 |
Correct |
2 ms |
29020 KB |
Output is correct |
88 |
Correct |
2 ms |
29020 KB |
Output is correct |
89 |
Correct |
2 ms |
29020 KB |
Output is correct |
90 |
Correct |
3 ms |
29276 KB |
Output is correct |
91 |
Correct |
4 ms |
29276 KB |
Output is correct |
92 |
Correct |
3 ms |
29276 KB |
Output is correct |
93 |
Correct |
28 ms |
36384 KB |
Output is correct |
94 |
Correct |
69 ms |
34804 KB |
Output is correct |
95 |
Correct |
91 ms |
35020 KB |
Output is correct |
96 |
Correct |
80 ms |
35012 KB |
Output is correct |
97 |
Correct |
72 ms |
35012 KB |
Output is correct |
98 |
Correct |
70 ms |
35012 KB |
Output is correct |
99 |
Correct |
74 ms |
38852 KB |
Output is correct |
100 |
Correct |
80 ms |
38848 KB |
Output is correct |
101 |
Correct |
82 ms |
38848 KB |
Output is correct |
102 |
Correct |
84 ms |
38632 KB |
Output is correct |
103 |
Correct |
73 ms |
38856 KB |
Output is correct |
104 |
Correct |
73 ms |
38600 KB |
Output is correct |
105 |
Correct |
39 ms |
37576 KB |
Output is correct |