QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#187796 | #1085. Brave Seekers of Unicorns | SublimeText | AC ✓ | 91ms | 11516kb | C++14 | 1.2kb | 2023-09-24 22:44:56 | 2023-09-24 22:44:56 |
Judging History
answer
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <climits>
#include <cstdlib>
#include <set>
#include <cmath>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <stack>
#include <queue>
#include <vector>
#include <unordered_set>
#include <assert.h>
#include <bitset>
using namespace std;
#define REP(i, l, r) for(int i = l; i <= r; ++i)
#define PER(i, r, l) for(int i = r; i >= l; --i)
namespace Main {
const int N = 1e6 + 5;
int n, mod;
int f[N];
void add(int &x, int y) {
x += y;
if (x < 0) x += mod;
if(x >= mod) x -= mod;
}
int lg[N];
int main() {
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin >> n;
mod = 998244353;
lg[0] = -1;
for(int i = 1; i <= n; ++i) {
f[i] = 1;
add(f[i], f[i - 1]);
lg[i] = lg[i >> 1] + 1;
for (int j = 0; (i >> j) > 1; ++j) {
if((i >> j) & 1) {
add(f[i], -f[(1 << (j + 1)) - 1]);
add(f[i], f[(1 << j) - 1]);
}
}
add(f[i], f[i - 1]);
}
cout << f[n] << '\n';
return 0;
}
}
int main() {
// freopen("sort.in", "r", stdin);
// freopen("sort.out", "w", stdout);
Main :: main();
return 0;
}
/*
5
4 5 1 2 3
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3648kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
2
output:
3
result:
ok 1 number(s): "3"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
3
output:
6
result:
ok 1 number(s): "6"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
5
output:
26
result:
ok 1 number(s): "26"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
322
output:
782852421
result:
ok 1 number(s): "782852421"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
10
output:
728
result:
ok 1 number(s): "728"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
100
output:
234222727
result:
ok 1 number(s): "234222727"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3624kb
input:
10000
output:
348787098
result:
ok 1 number(s): "348787098"
Test #9:
score: 0
Accepted
time: 87ms
memory: 11456kb
input:
1000000
output:
246427510
result:
ok 1 number(s): "246427510"
Test #10:
score: 0
Accepted
time: 87ms
memory: 11516kb
input:
999999
output:
525546416
result:
ok 1 number(s): "525546416"
Test #11:
score: 0
Accepted
time: 82ms
memory: 11068kb
input:
950000
output:
154241852
result:
ok 1 number(s): "154241852"
Test #12:
score: 0
Accepted
time: 87ms
memory: 11432kb
input:
999888
output:
254589934
result:
ok 1 number(s): "254589934"
Test #13:
score: 0
Accepted
time: 91ms
memory: 11380kb
input:
999423
output:
917909701
result:
ok 1 number(s): "917909701"
Test #14:
score: 0
Accepted
time: 51ms
memory: 11296kb
input:
600000
output:
546076071
result:
ok 1 number(s): "546076071"
Test #15:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
1337
output:
616951443
result:
ok 1 number(s): "616951443"