Submission #1574305
Source Code Expand
#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> using namespace std; #define MAXN 100000 #define MOD 1000000007 #define ll long long #define rint register int #define gc() getchar() inline ll read(ll ans = 0, rint sgn = ' ', rint ch = gc()) { for(; ch < '0' || ch > '9'; sgn = ch, ch = gc()); for(; ch >='0' && ch <='9';(ans*=10)+=ch-'0', ch = gc()); return sgn-'-'?ans:-ans; } int N, pA[MAXN+5], pB[MAXN+5], fx[MAXN+5], fy[MAXN+5]; ll S[MAXN+5], A, B, px, py, xi, yi; int main() { N = read(), A = read(), B = read(), A<=B?:A^=B^=A^=B; for(rint i = 1; i <= N; S[i++] = read()); fx[0] = fy[0] = 1; for(rint i = 1, pa = 1, pb = 1; i <= N; pA[i] = pa-1, pB[i] = pb-1, i++) {for(; S[pa]+A <= S[i]; pa++); for(; S[pb]+B <= S[i]; pb++);} for(rint i = 2; i <= N; i++) { xi = fy[min(i-2,pA[i])], yi = fx[min(i-2,pB[i])]; if(pA[i] < i-1){memset(fx+px,0,i-px-1<<2); px = i-1;} if(pB[i] < i-1){memset(fy+py,0,i-py-1<<2); py = i-1;} fx[i-1] += fx[i-2], fx[i-1]<MOD?:fx[i-1]-=MOD, fx[i-1] += xi, fx[i-1]<MOD?:fx[i-1]-=MOD; fy[i-1] += fy[i-2], fy[i-1]<MOD?:fy[i-1]-=MOD, fy[i-1] += yi, fy[i-1]<MOD?:fy[i-1]-=MOD; } printf("%d\n",(fx[N-1]+fy[N-1])%MOD); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Division into Two |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 1100 |
Code Size | 1222 Byte |
Status | AC |
Exec Time | 19 ms |
Memory | 2560 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1100 / 1100 | ||||
Status |
|
|
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 | AC | 19 ms | 2560 KB |
02.txt | AC | 17 ms | 2560 KB |
03.txt | AC | 18 ms | 2560 KB |
04.txt | AC | 18 ms | 2560 KB |
05.txt | AC | 16 ms | 2560 KB |
06.txt | AC | 18 ms | 2560 KB |
07.txt | AC | 18 ms | 2560 KB |
08.txt | AC | 18 ms | 2560 KB |
09.txt | AC | 19 ms | 2560 KB |
10.txt | AC | 19 ms | 2560 KB |
11.txt | AC | 18 ms | 2560 KB |
12.txt | AC | 18 ms | 2560 KB |
13.txt | AC | 18 ms | 2560 KB |
14.txt | AC | 18 ms | 2560 KB |
15.txt | AC | 17 ms | 2560 KB |
16.txt | AC | 8 ms | 2560 KB |
17.txt | AC | 10 ms | 2560 KB |
18.txt | AC | 13 ms | 2560 KB |
19.txt | AC | 11 ms | 2560 KB |
20.txt | AC | 12 ms | 2560 KB |
21.txt | AC | 12 ms | 2560 KB |
22.txt | AC | 12 ms | 2560 KB |
23.txt | AC | 9 ms | 2560 KB |
24.txt | AC | 11 ms | 2560 KB |
25.txt | AC | 15 ms | 2560 KB |
26.txt | AC | 14 ms | 2560 KB |
27.txt | AC | 15 ms | 2560 KB |
28.txt | AC | 15 ms | 2560 KB |
29.txt | AC | 13 ms | 2560 KB |
30.txt | AC | 13 ms | 2560 KB |
31.txt | AC | 13 ms | 2560 KB |
32.txt | AC | 14 ms | 2560 KB |
33.txt | AC | 15 ms | 2560 KB |
34.txt | AC | 10 ms | 2560 KB |
35.txt | AC | 15 ms | 2560 KB |
36.txt | AC | 8 ms | 2560 KB |
37.txt | AC | 8 ms | 2560 KB |
38.txt | AC | 8 ms | 2560 KB |
39.txt | AC | 18 ms | 2560 KB |
40.txt | AC | 8 ms | 2560 KB |
41.txt | AC | 10 ms | 2560 KB |
42.txt | AC | 8 ms | 2560 KB |
43.txt | AC | 18 ms | 2560 KB |
44.txt | AC | 18 ms | 2560 KB |
45.txt | AC | 18 ms | 2560 KB |
46.txt | AC | 18 ms | 2560 KB |
47.txt | AC | 18 ms | 2560 KB |
48.txt | AC | 18 ms | 2560 KB |
49.txt | AC | 1 ms | 256 KB |
50.txt | AC | 1 ms | 256 KB |
51.txt | AC | 1 ms | 256 KB |
52.txt | AC | 1 ms | 256 KB |
53.txt | AC | 1 ms | 256 KB |
54.txt | AC | 1 ms | 256 KB |
55.txt | AC | 1 ms | 256 KB |
56.txt | AC | 1 ms | 256 KB |
57.txt | AC | 1 ms | 256 KB |
58.txt | AC | 1 ms | 256 KB |
59.txt | AC | 1 ms | 256 KB |
60.txt | AC | 1 ms | 256 KB |
61.txt | AC | 1 ms | 256 KB |
62.txt | AC | 1 ms | 256 KB |
63.txt | AC | 1 ms | 256 KB |
64.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |
s4.txt | AC | 1 ms | 256 KB |