Submission #1777234
Source Code Expand
/*input 271828182845904523 314159265358979323 */ #include <bits/stdc++.h> using namespace std; #define sp ' ' #define endl '\n' #define fi first #define se second #define mp make_pair #define int long long #define N #define bit(x,y) ((x>>y)&1LL) #define na(x) (#x) << ":" << x ostream& operator << (ostream &os, vector<int>&x) { for (int i = 0; i < x.size(); i++) os << x[i] << sp; return os; } ostream& operator << (ostream &os, pair<int, int> x) { cout << x.fi << sp << x.se << sp; return os; } ostream& operator << (ostream &os, vector<pair<int, int> >&x) { for (int i = 0; i < x.size(); i++) os << x[i] << endl; return os; } #define pow binPow long long binPow(long long a, long long q) { long long ret = 1; for (int i = 0; (1LL << i) <= q; i++) { if (q & (1LL << i)) ret = (ret * a); a = (a * a); } return ret; } int L, R; pair<int, int> a[3]; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> L >> R; if (L == R) { cout << 1 << endl; return 0; } int diff = 0; for (int i = 61; i >= 0; i--) { if (bit(L, i) != bit(R, i)) { diff = i; break; } if (bit(L, i) && bit(R, i)) { L -= (1LL << i); R -= (1LL << i); } } a[0].fi = L; a[0].se = binPow(2, diff) - 1; a[1].fi = (1LL << diff); a[1].se = a[1].fi; for (int i = diff - 1; i >= 0; i--) { if (bit(R, i)) { a[1].se += (1LL << (i + 1)) - 1; break; } } a[2].fi = (1LL << diff) + a[0].fi; a[2].se = (1LL << (diff + 1)) - 1; int ans = 0; for (int mask = 1; mask < (1 << 3); mask++) { int Rx = 9e18, Lx = -9e18; for (int j = 0; j < 3; j++) { if (bit(mask, j)) { Rx = min(Rx, a[j].se); Lx = max(Lx, a[j].fi); } } if (__builtin_popcount(mask) % 2 == 1) ans += max(0LL, Rx - Lx + 1); else ans -= max(0LL, Rx - Lx + 1); } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - A or...or B Problem |
User | UncleGrandpa925 |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 1894 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.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, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 1 ms | 256 KB |
02.txt | AC | 1 ms | 256 KB |
03.txt | AC | 1 ms | 256 KB |
04.txt | AC | 1 ms | 256 KB |
05.txt | AC | 1 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | AC | 1 ms | 256 KB |
08.txt | AC | 1 ms | 256 KB |
09.txt | AC | 1 ms | 256 KB |
10.txt | AC | 1 ms | 256 KB |
11.txt | AC | 1 ms | 256 KB |
12.txt | AC | 1 ms | 256 KB |
13.txt | AC | 1 ms | 256 KB |
14.txt | AC | 1 ms | 256 KB |
15.txt | AC | 1 ms | 256 KB |
16.txt | AC | 1 ms | 256 KB |
17.txt | AC | 1 ms | 256 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 1 ms | 256 KB |
23.txt | AC | 1 ms | 256 KB |
24.txt | AC | 1 ms | 256 KB |
25.txt | AC | 1 ms | 256 KB |
26.txt | AC | 1 ms | 256 KB |
27.txt | AC | 1 ms | 256 KB |
28.txt | AC | 1 ms | 256 KB |
29.txt | AC | 1 ms | 256 KB |
30.txt | AC | 1 ms | 256 KB |
31.txt | AC | 1 ms | 256 KB |
32.txt | AC | 1 ms | 256 KB |
33.txt | AC | 1 ms | 256 KB |
34.txt | AC | 1 ms | 256 KB |
35.txt | AC | 1 ms | 256 KB |
36.txt | AC | 1 ms | 256 KB |
37.txt | AC | 1 ms | 256 KB |
38.txt | AC | 1 ms | 256 KB |
39.txt | AC | 1 ms | 256 KB |
40.txt | AC | 1 ms | 256 KB |
41.txt | AC | 1 ms | 256 KB |
42.txt | AC | 1 ms | 256 KB |
43.txt | AC | 1 ms | 256 KB |
44.txt | AC | 1 ms | 256 KB |
45.txt | AC | 1 ms | 256 KB |
46.txt | AC | 1 ms | 256 KB |
47.txt | AC | 1 ms | 256 KB |
48.txt | AC | 1 ms | 256 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 |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |