#include <cstdio>
#include <queue>
#include <set>
#include <vector>
#include <algorithm>
#include <map>
#define MOD 1000000007
long long pow(long long n, long long k) {
if (k == 0) return 1;
if (k == 1) return n%MOD;
long long ret = pow(n, k / 2);
ret = ret * ret % MOD;
if (k & 1) ret = ret * n % MOD;
return ret;
}
long long count(long long i) {
if (i & 1) {
return i / 2 * (i / 2 + 1) + i/2 + 1;
}
else {
return i/2 * (i/2+1);
}
}
long long dy[2000000];
std::vector<std::pair<long long,long long>> D;
int main() {
long long n;
scanf("%lld", &n);
long long ans = 4;
long long nu = 3;
long long i = 0;
long long pv = 0;
if (n <= 3) {
if (n == 1) ans = 1;
else if (n == 2) ans = 2;
else if (n == 3) ans = 4;
printf("%lld\n", ans);
return 0;
}
D.push_back({ 1, 1 });
D.push_back({ 3, 2 });
for (i = 3; nu <= n; i++) {
pv = std::upper_bound(D.begin(), D.end(),
std::make_pair( i,0ll) ) - D.begin();
if (nu + D[pv].second > n) break;
ans = ans * pow(i, D[pv].second) % MOD;
nu += D[pv].second;
D.push_back({ nu, i });
}
n -= nu;
ans = ans * pow(i, n) % MOD;
printf("%lld\n", ans);
}
Compilation message
FG.cpp: In function 'int main()':
FG.cpp:29:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &n);
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
16796 KB |
Output is correct |
2 |
Correct |
0 ms |
16796 KB |
Output is correct |
3 |
Correct |
0 ms |
16796 KB |
Output is correct |
4 |
Correct |
0 ms |
16796 KB |
Output is correct |
5 |
Correct |
0 ms |
16796 KB |
Output is correct |
6 |
Correct |
0 ms |
16796 KB |
Output is correct |
7 |
Correct |
0 ms |
16796 KB |
Output is correct |
8 |
Correct |
0 ms |
16796 KB |
Output is correct |
9 |
Correct |
0 ms |
16796 KB |
Output is correct |
10 |
Correct |
0 ms |
16796 KB |
Output is correct |
11 |
Correct |
0 ms |
16936 KB |
Output is correct |
12 |
Correct |
0 ms |
17068 KB |
Output is correct |
13 |
Correct |
0 ms |
17068 KB |
Output is correct |
14 |
Correct |
0 ms |
16796 KB |
Output is correct |
15 |
Correct |
0 ms |
17068 KB |
Output is correct |
16 |
Correct |
0 ms |
17068 KB |
Output is correct |
17 |
Correct |
0 ms |
16936 KB |
Output is correct |
18 |
Correct |
0 ms |
17068 KB |
Output is correct |
19 |
Correct |
0 ms |
16936 KB |
Output is correct |
20 |
Correct |
0 ms |
16936 KB |
Output is correct |
21 |
Correct |
0 ms |
17068 KB |
Output is correct |
22 |
Correct |
0 ms |
16936 KB |
Output is correct |
23 |
Correct |
0 ms |
16936 KB |
Output is correct |
24 |
Correct |
0 ms |
17068 KB |
Output is correct |
25 |
Correct |
0 ms |
16936 KB |
Output is correct |
26 |
Correct |
0 ms |
16796 KB |
Output is correct |
27 |
Correct |
0 ms |
17068 KB |
Output is correct |
28 |
Correct |
0 ms |
16936 KB |
Output is correct |
29 |
Correct |
0 ms |
17068 KB |
Output is correct |
30 |
Correct |
0 ms |
16936 KB |
Output is correct |
31 |
Correct |
0 ms |
17068 KB |
Output is correct |
32 |
Correct |
0 ms |
16936 KB |
Output is correct |
33 |
Correct |
0 ms |
17068 KB |
Output is correct |
34 |
Correct |
0 ms |
16936 KB |
Output is correct |
35 |
Correct |
0 ms |
17068 KB |
Output is correct |
36 |
Correct |
0 ms |
16936 KB |
Output is correct |
37 |
Correct |
0 ms |
16936 KB |
Output is correct |
38 |
Correct |
0 ms |
16936 KB |
Output is correct |
39 |
Correct |
0 ms |
17068 KB |
Output is correct |
40 |
Correct |
0 ms |
17068 KB |
Output is correct |
41 |
Correct |
0 ms |
16936 KB |
Output is correct |
42 |
Correct |
0 ms |
17068 KB |
Output is correct |
43 |
Correct |
0 ms |
16936 KB |
Output is correct |
44 |
Correct |
0 ms |
17068 KB |
Output is correct |
45 |
Correct |
0 ms |
16936 KB |
Output is correct |
46 |
Correct |
0 ms |
17068 KB |
Output is correct |
47 |
Correct |
0 ms |
16936 KB |
Output is correct |
48 |
Correct |
0 ms |
17068 KB |
Output is correct |
49 |
Correct |
0 ms |
16936 KB |
Output is correct |
50 |
Correct |
0 ms |
17068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
16796 KB |
Output is correct |
2 |
Correct |
0 ms |
16796 KB |
Output is correct |
3 |
Correct |
0 ms |
16796 KB |
Output is correct |
4 |
Correct |
0 ms |
16796 KB |
Output is correct |
5 |
Correct |
0 ms |
16796 KB |
Output is correct |
6 |
Correct |
0 ms |
16796 KB |
Output is correct |
7 |
Correct |
0 ms |
16796 KB |
Output is correct |
8 |
Correct |
0 ms |
16796 KB |
Output is correct |
9 |
Correct |
0 ms |
16796 KB |
Output is correct |
10 |
Correct |
0 ms |
16796 KB |
Output is correct |
11 |
Correct |
0 ms |
16936 KB |
Output is correct |
12 |
Correct |
0 ms |
17068 KB |
Output is correct |
13 |
Correct |
0 ms |
17068 KB |
Output is correct |
14 |
Correct |
0 ms |
16796 KB |
Output is correct |
15 |
Correct |
0 ms |
17068 KB |
Output is correct |
16 |
Correct |
0 ms |
17068 KB |
Output is correct |
17 |
Correct |
0 ms |
16936 KB |
Output is correct |
18 |
Correct |
0 ms |
17068 KB |
Output is correct |
19 |
Correct |
0 ms |
16936 KB |
Output is correct |
20 |
Correct |
0 ms |
16936 KB |
Output is correct |
21 |
Correct |
0 ms |
17068 KB |
Output is correct |
22 |
Correct |
0 ms |
16936 KB |
Output is correct |
23 |
Correct |
0 ms |
16936 KB |
Output is correct |
24 |
Correct |
0 ms |
17068 KB |
Output is correct |
25 |
Correct |
0 ms |
16936 KB |
Output is correct |
26 |
Correct |
0 ms |
16796 KB |
Output is correct |
27 |
Correct |
0 ms |
17068 KB |
Output is correct |
28 |
Correct |
0 ms |
16936 KB |
Output is correct |
29 |
Correct |
0 ms |
17068 KB |
Output is correct |
30 |
Correct |
0 ms |
16936 KB |
Output is correct |
31 |
Correct |
0 ms |
17068 KB |
Output is correct |
32 |
Correct |
0 ms |
16936 KB |
Output is correct |
33 |
Correct |
0 ms |
17068 KB |
Output is correct |
34 |
Correct |
0 ms |
16936 KB |
Output is correct |
35 |
Correct |
0 ms |
17068 KB |
Output is correct |
36 |
Correct |
0 ms |
16936 KB |
Output is correct |
37 |
Correct |
0 ms |
16936 KB |
Output is correct |
38 |
Correct |
0 ms |
16936 KB |
Output is correct |
39 |
Correct |
0 ms |
17068 KB |
Output is correct |
40 |
Correct |
0 ms |
17068 KB |
Output is correct |
41 |
Correct |
0 ms |
16936 KB |
Output is correct |
42 |
Correct |
0 ms |
17068 KB |
Output is correct |
43 |
Correct |
0 ms |
16936 KB |
Output is correct |
44 |
Correct |
0 ms |
17068 KB |
Output is correct |
45 |
Correct |
0 ms |
16936 KB |
Output is correct |
46 |
Correct |
0 ms |
17068 KB |
Output is correct |
47 |
Correct |
0 ms |
16936 KB |
Output is correct |
48 |
Correct |
0 ms |
17068 KB |
Output is correct |
49 |
Correct |
0 ms |
16936 KB |
Output is correct |
50 |
Correct |
0 ms |
17068 KB |
Output is correct |
51 |
Execution timed out |
500 ms |
213488 KB |
Execution timed out |
52 |
Halted |
0 ms |
0 KB |
- |