QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#41420 | #1085. Brave Seekers of Unicorns | Antistar | AC ✓ | 74ms | 19332kb | C++20 | 546b | 2022-07-30 15:09:34 | 2022-07-30 15:09:37 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
const int mo = 998244353;
using ll = long long;
ll sum[N], dp[N];
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
dp[i] = sum[i - 1] + 1;
int cur = i;
int x = 1;
while (cur) {
if ((cur & 1) && cur != 1) {
(dp[i] += (mo - sum[min((x << 1) - 1, i)] + sum[min(x - 1, i)]) % mo) %= mo;
}
cur >>= 1;
x <<= 1;
}
sum[i] = (sum[i - 1] + dp[i]) % mo;
}
printf("%lld\n", sum[n]);
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 5752kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 5688kb
input:
2
output:
3
result:
ok 1 number(s): "3"
Test #3:
score: 0
Accepted
time: 1ms
memory: 5820kb
input:
3
output:
6
result:
ok 1 number(s): "6"
Test #4:
score: 0
Accepted
time: 2ms
memory: 5768kb
input:
5
output:
26
result:
ok 1 number(s): "26"
Test #5:
score: 0
Accepted
time: 2ms
memory: 5808kb
input:
322
output:
782852421
result:
ok 1 number(s): "782852421"
Test #6:
score: 0
Accepted
time: 3ms
memory: 5684kb
input:
10
output:
728
result:
ok 1 number(s): "728"
Test #7:
score: 0
Accepted
time: 3ms
memory: 5752kb
input:
100
output:
234222727
result:
ok 1 number(s): "234222727"
Test #8:
score: 0
Accepted
time: 3ms
memory: 5828kb
input:
10000
output:
348787098
result:
ok 1 number(s): "348787098"
Test #9:
score: 0
Accepted
time: 74ms
memory: 19268kb
input:
1000000
output:
246427510
result:
ok 1 number(s): "246427510"
Test #10:
score: 0
Accepted
time: 68ms
memory: 19324kb
input:
999999
output:
525546416
result:
ok 1 number(s): "525546416"
Test #11:
score: 0
Accepted
time: 63ms
memory: 18784kb
input:
950000
output:
154241852
result:
ok 1 number(s): "154241852"
Test #12:
score: 0
Accepted
time: 62ms
memory: 19332kb
input:
999888
output:
254589934
result:
ok 1 number(s): "254589934"
Test #13:
score: 0
Accepted
time: 63ms
memory: 19192kb
input:
999423
output:
917909701
result:
ok 1 number(s): "917909701"
Test #14:
score: 0
Accepted
time: 41ms
memory: 13544kb
input:
600000
output:
546076071
result:
ok 1 number(s): "546076071"
Test #15:
score: 0
Accepted
time: 3ms
memory: 5772kb
input:
1337
output:
616951443
result:
ok 1 number(s): "616951443"