Submission #1441373
Source Code Expand
#include <bits/stdc++.h> using namespace std; const size_t MAX_N = (size_t) 1e5 + 5; typedef long long ll; const ll MOD = 1e9 + 7; ll dp[MAX_N], sum[MAX_N], s[MAX_N]; inline void update(ll& x, const ll& val) { x = (x + val) % MOD; } int main() { ios::sync_with_stdio(false); int n, l = 0, tmp; ll a, b, x; cin >> n >> a >> b; for (int i = 1; i <= n; cin >> s[i++]) {} if (a > b) swap(a, b); dp[0] = sum[0] = 1; s[0] = -1e18; for (int i = 1; i <= n; i++) { if (i > 1 && s[i] - s[i - 2] < a) return cout << '0', 0; tmp = upper_bound(s + 1, s + i, s[i] - b) - s - 1; update(dp[i], sum[tmp] - (l > 0 ? sum[l - 1] : 0)); if (s[i] - s[i - 1] < a) l = i - 1; update(sum[i], dp[i] + sum[i - 1]); } cout << (sum[n] - (l > 0 ? sum[l - 1] : 0)) % MOD; }
Submission Info
Submission Time | |
---|---|
Task | C - Division into Two |
User | nickluo |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 851 Byte |
Status | WA |
Exec Time | 20 ms |
Memory | 2560 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1100 | ||||||
Status |
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|
Set Name | Test Cases |
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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 | 20 ms | 2560 KB |
02.txt | WA | 19 ms | 2560 KB |
03.txt | AC | 19 ms | 2560 KB |
04.txt | WA | 19 ms | 2560 KB |
05.txt | AC | 19 ms | 2560 KB |
06.txt | WA | 19 ms | 2560 KB |
07.txt | WA | 20 ms | 2560 KB |
08.txt | WA | 19 ms | 2560 KB |
09.txt | AC | 20 ms | 2560 KB |
10.txt | WA | 20 ms | 2560 KB |
11.txt | AC | 20 ms | 2560 KB |
12.txt | AC | 20 ms | 2560 KB |
13.txt | WA | 19 ms | 2560 KB |
14.txt | WA | 20 ms | 2560 KB |
15.txt | AC | 19 ms | 2560 KB |
16.txt | AC | 12 ms | 2560 KB |
17.txt | AC | 13 ms | 2560 KB |
18.txt | AC | 15 ms | 2560 KB |
19.txt | WA | 15 ms | 2560 KB |
20.txt | AC | 15 ms | 2560 KB |
21.txt | WA | 15 ms | 2560 KB |
22.txt | WA | 17 ms | 2560 KB |
23.txt | WA | 13 ms | 2560 KB |
24.txt | WA | 15 ms | 2560 KB |
25.txt | AC | 18 ms | 2560 KB |
26.txt | AC | 17 ms | 2560 KB |
27.txt | AC | 17 ms | 2560 KB |
28.txt | WA | 17 ms | 2560 KB |
29.txt | WA | 16 ms | 2560 KB |
30.txt | WA | 16 ms | 2560 KB |
31.txt | WA | 16 ms | 2560 KB |
32.txt | WA | 17 ms | 2560 KB |
33.txt | WA | 18 ms | 2560 KB |
34.txt | WA | 15 ms | 2560 KB |
35.txt | WA | 18 ms | 2560 KB |
36.txt | AC | 13 ms | 2560 KB |
37.txt | AC | 13 ms | 2560 KB |
38.txt | AC | 14 ms | 2560 KB |
39.txt | AC | 20 ms | 2560 KB |
40.txt | AC | 13 ms | 2560 KB |
41.txt | AC | 14 ms | 2560 KB |
42.txt | AC | 9 ms | 1024 KB |
43.txt | AC | 20 ms | 2560 KB |
44.txt | AC | 20 ms | 2560 KB |
45.txt | AC | 20 ms | 2560 KB |
46.txt | AC | 20 ms | 2560 KB |
47.txt | AC | 16 ms | 1408 KB |
48.txt | AC | 16 ms | 1024 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 |