Submission #1320489
Source Code Expand
#include <cstdio> typedef long long ll; int main() { ll a, b; scanf("%lld%lld", &a, &b); if (a == b) return !printf("1\n"); ll c = a ^ b; int r = 63 - __builtin_clzll(c); ll T = 1ll << r, A = a & (T - 1), B = b & (T * 2 - 1); int k = 63 - __builtin_clzll(B ^ (1ll << r)); if (B == 1ll << r) k = -1; // printf("%d %d\n", r, k); // printf("%lld %lld %lld\n", A, B, T); ll ans = 0; ans += T - A; ll la = T, ra = T + (1ll << (k + 1)) - 1; ll lb = T + A, rb = 2 * T - 1; if (lb <= ra) ans -= ra - lb + 1; ans += ra - la + 1; ans += rb - lb + 1; // printf("%lld %lld\n%lld %lld\n", la, ra, lb, rb); printf("%lld\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - A or...or B Problem |
User | chentong |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 674 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:6:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] ll a, b; scanf("%lld%lld", &a, &b); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
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|
Set Name | Test Cases |
---|---|
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 | 128 KB |
02.txt | AC | 1 ms | 128 KB |
03.txt | AC | 1 ms | 128 KB |
04.txt | AC | 1 ms | 128 KB |
05.txt | AC | 1 ms | 128 KB |
06.txt | AC | 1 ms | 128 KB |
07.txt | AC | 1 ms | 128 KB |
08.txt | AC | 1 ms | 128 KB |
09.txt | AC | 1 ms | 128 KB |
10.txt | AC | 1 ms | 128 KB |
11.txt | AC | 1 ms | 128 KB |
12.txt | AC | 1 ms | 128 KB |
13.txt | AC | 1 ms | 128 KB |
14.txt | AC | 1 ms | 128 KB |
15.txt | AC | 1 ms | 128 KB |
16.txt | AC | 1 ms | 128 KB |
17.txt | AC | 1 ms | 128 KB |
18.txt | AC | 1 ms | 128 KB |
19.txt | AC | 1 ms | 128 KB |
20.txt | AC | 1 ms | 128 KB |
21.txt | AC | 1 ms | 128 KB |
22.txt | AC | 1 ms | 128 KB |
23.txt | AC | 1 ms | 128 KB |
24.txt | AC | 1 ms | 128 KB |
25.txt | AC | 1 ms | 128 KB |
26.txt | AC | 1 ms | 128 KB |
27.txt | AC | 1 ms | 128 KB |
28.txt | AC | 1 ms | 128 KB |
29.txt | AC | 1 ms | 128 KB |
30.txt | AC | 1 ms | 128 KB |
31.txt | AC | 1 ms | 128 KB |
32.txt | AC | 1 ms | 128 KB |
33.txt | AC | 1 ms | 128 KB |
34.txt | AC | 1 ms | 128 KB |
35.txt | AC | 1 ms | 128 KB |
36.txt | AC | 1 ms | 128 KB |
37.txt | AC | 1 ms | 128 KB |
38.txt | AC | 1 ms | 128 KB |
39.txt | AC | 1 ms | 128 KB |
40.txt | AC | 1 ms | 128 KB |
41.txt | AC | 1 ms | 128 KB |
42.txt | AC | 1 ms | 128 KB |
43.txt | AC | 1 ms | 128 KB |
44.txt | AC | 1 ms | 128 KB |
45.txt | AC | 1 ms | 128 KB |
46.txt | AC | 1 ms | 128 KB |
47.txt | AC | 1 ms | 128 KB |
48.txt | AC | 1 ms | 128 KB |
49.txt | AC | 1 ms | 128 KB |
50.txt | AC | 1 ms | 128 KB |
51.txt | AC | 1 ms | 128 KB |
52.txt | AC | 1 ms | 128 KB |
53.txt | AC | 1 ms | 128 KB |
54.txt | AC | 1 ms | 128 KB |
55.txt | AC | 1 ms | 128 KB |
56.txt | AC | 1 ms | 128 KB |
s1.txt | AC | 1 ms | 128 KB |
s2.txt | AC | 1 ms | 128 KB |
s3.txt | AC | 1 ms | 128 KB |