Submission #1750917


Source Code Expand

///////////////////////////////////////////////////////////
#include<cstdio>
#include<cstring>
#include<cctype>
#include<algorithm>
#define rep(i,a,b) for(int i=(a),i##_end_=(b);i<=i##_end_;i++)
#define dwn(i,a,b) for(int i=(a),i##_end_=(b);i>=i##_end_;i--)
using namespace std;
const int Size=1<<16;
char buffer[Size],*head,*tail;
inline char Getchar() {
    if(head==tail) {
        int l=fread(buffer,1,Size,stdin);
        tail=(head=buffer)+l;
    }
    if(head==tail) return -1;
    return *head++;
}
typedef long long ll;
inline ll read() {
    ll x=0,f=1;char c=Getchar();
    for(;!isdigit(c);c=Getchar()) if(c=='-') f=-1;
    for(;isdigit(c);c=Getchar()) x=x*10+c-'0';
    return x*f;
}
const int maxn=100010;
const ll inf=1ll<<61;
const int mod=1000000007;
int n;
ll A,B,S[maxn],tmp[maxn];
struct Segment {
	int setv[maxn<<2],sumv[maxn<<2];
	void update(int o,int l,int r,int p,int v) {
		int mid=l+r>>1,lc=o<<1,rc=lc|1;
		if(setv[o]) {
			sumv[lc]=sumv[rc]=0;
			setv[lc]=setv[rc]=1;
			setv[o]=0;
		}
		if(l==r) (sumv[o]+=v)%=mod;
		else {
			if(p<=mid) update(lc,l,mid,p,v);
			else update(rc,mid+1,r,p,v);
			sumv[o]=(sumv[lc]+sumv[rc])%mod;
		}
	}
	int query(int o,int l,int r,int ql,int qr) {
		int mid=l+r>>1,lc=o<<1,rc=lc|1,res=0;
		if(setv[o]) {
			sumv[lc]=sumv[rc]=0;
			setv[lc]=setv[rc]=1;
			setv[o]=0;
		}
		if(ql<=l&&r<=qr) return sumv[o];
		if(ql<=mid) (res+=query(lc,l,mid,ql,qr))%=mod;
		if(qr>mid) (res+=query(rc,mid+1,r,ql,qr))%=mod;
		return res;
	}
	void clear() {setv[1]=1;sumv[1]=0;}
}F,G;
int find(ll val) {return upper_bound(tmp+1,tmp+n+2,val)-tmp-2;}
int main() {
	n=read();A=read();B=read();
	S[0]=-inf;rep(i,1,n) S[i]=read();
	rep(i,0,n) tmp[i+1]=S[i];
	F.update(1,0,n,0,1);G.update(1,0,n,0,1);
	rep(i,1,n-1) {
		int v1=F.query(1,0,n,0,find(S[i+1]-B)),v2=G.query(1,0,n,0,find(S[i+1]-A));
		if(S[i+1]-S[i]<A) F.clear();
		if(S[i+1]-S[i]<B) G.clear();
		G.update(1,0,n,i,v1);F.update(1,0,n,i,v2);
	}
	int ans=F.query(1,0,n,0,n-1)+G.query(1,0,n,0,n-1);
	printf("%d\n",ans%mod);
	return 0;
}

Submission Info

Submission Time
Task C - Division into Two
User wzj52501
Language C++14 (GCC 5.4.1)
Score 0
Code Size 2105 Byte
Status RE
Exec Time 132 ms
Memory 8064 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1100
Status
AC × 4
AC × 25
WA × 40
RE × 3
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt WA 70 ms 8064 KB
02.txt WA 70 ms 8064 KB
03.txt WA 71 ms 8064 KB
04.txt WA 70 ms 8064 KB
05.txt WA 69 ms 6528 KB
06.txt WA 70 ms 8064 KB
07.txt WA 71 ms 8064 KB
08.txt WA 69 ms 8064 KB
09.txt WA 72 ms 8064 KB
10.txt WA 71 ms 8064 KB
11.txt WA 70 ms 8064 KB
12.txt AC 64 ms 6400 KB
13.txt WA 70 ms 8064 KB
14.txt WA 71 ms 8064 KB
15.txt WA 70 ms 8064 KB
16.txt RE 127 ms 6272 KB
17.txt WA 61 ms 7936 KB
18.txt RE 129 ms 6272 KB
19.txt WA 69 ms 8064 KB
20.txt WA 69 ms 8064 KB
21.txt WA 70 ms 8064 KB
22.txt WA 66 ms 8064 KB
23.txt WA 68 ms 8064 KB
24.txt WA 68 ms 8064 KB
25.txt WA 71 ms 8064 KB
26.txt WA 71 ms 8064 KB
27.txt WA 70 ms 8064 KB
28.txt WA 70 ms 8064 KB
29.txt WA 69 ms 8064 KB
30.txt WA 69 ms 8064 KB
31.txt WA 69 ms 8064 KB
32.txt WA 69 ms 8064 KB
33.txt WA 70 ms 8064 KB
34.txt WA 69 ms 8064 KB
35.txt WA 69 ms 8064 KB
36.txt AC 62 ms 6400 KB
37.txt WA 68 ms 6528 KB
38.txt WA 68 ms 7936 KB
39.txt WA 70 ms 6528 KB
40.txt WA 69 ms 8064 KB
41.txt WA 70 ms 8064 KB
42.txt RE 132 ms 7424 KB
43.txt AC 63 ms 6400 KB
44.txt AC 64 ms 6400 KB
45.txt WA 64 ms 6528 KB
46.txt WA 65 ms 7808 KB
47.txt WA 65 ms 8064 KB
48.txt AC 66 ms 8064 KB
49.txt AC 1 ms 2176 KB
50.txt AC 1 ms 4224 KB
51.txt AC 1 ms 4224 KB
52.txt AC 1 ms 4224 KB
53.txt AC 1 ms 2176 KB
54.txt AC 1 ms 4224 KB
55.txt AC 1 ms 4224 KB
56.txt AC 1 ms 4224 KB
57.txt AC 1 ms 4224 KB
58.txt AC 1 ms 4224 KB
59.txt AC 1 ms 4224 KB
60.txt AC 2 ms 4224 KB
61.txt AC 1 ms 4224 KB
62.txt AC 1 ms 4224 KB
63.txt AC 1 ms 4224 KB
64.txt AC 1 ms 4224 KB
s1.txt AC 1 ms 4224 KB
s2.txt AC 1 ms 4224 KB
s3.txt AC 1 ms 4224 KB
s4.txt AC 1 ms 4224 KB