ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#213840 | #2157. 数列 | nodgd | 100 | 685ms | 8940kb | C++11 | 869b | 2024-11-13 21:40:28 | 2024-11-13 23:08:37 |
answer
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1000000 + 5;
int N, P;
int is_prime[MAX_N];
int a[MAX_N];
int main() {
scanf("%d%d", &N, &P);
for (int i = 2; i <= N; i ++) {
is_prime[i] = 1;
}
for (int i = 2; i <= N; i ++) {
if (is_prime[i]) {
for (int j = i << 1; j <= N; j += i) {
is_prime[j] = 0;
}
}
}
for (int i = 2; i <= N; i ++) {
a[i] = N + i;
}
for (int i = 2; i <= N; i ++) {
if (is_prime[i]) {
int s = 0;
for (int t = N / i; t; t /= i) {
s += t;
}
int l = i - N % i;
if (l < 2) l += i;
assert(a[l] % i == 0);
for (; s; l += i) {
for (; s && a[l] % i == 0; s --) {
a[l] /= i;
}
}
assert(s == 0);
}
}
int ans = 1;
for (int i = 2; i <= N; i ++) {
ans = 1ll * ans * a[i] % P;
}
printf("%d\n", ans);
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 5
Accepted
time: 0ms
memory: 1200kb
input:
921 998054347
output:
345389219
result:
ok single line: '345389219'
Test #2:
score: 5
Accepted
time: 1ms
memory: 1200kb
input:
926 998064329
output:
458756691
result:
ok single line: '458756691'
Test #3:
score: 5
Accepted
time: 1ms
memory: 1204kb
input:
1000 998074327
output:
457273797
result:
ok single line: '457273797'
Test #4:
score: 5
Accepted
time: 0ms
memory: 1196kb
input:
952 998084303
output:
329700115
result:
ok single line: '329700115'
Test #5:
score: 5
Accepted
time: 1ms
memory: 1200kb
input:
989 998094347
output:
94788253
result:
ok single line: '94788253'
Test #6:
score: 5
Accepted
time: 0ms
memory: 1200kb
input:
902 998104313
output:
911969455
result:
ok single line: '911969455'
Test #7:
score: 5
Accepted
time: 1ms
memory: 1196kb
input:
914 998114333
output:
827812986
result:
ok single line: '827812986'
Test #8:
score: 5
Accepted
time: 0ms
memory: 1204kb
input:
986 998124313
output:
169699253
result:
ok single line: '169699253'
Test #9:
score: 5
Accepted
time: 0ms
memory: 1200kb
input:
947 998134339
output:
761932751
result:
ok single line: '761932751'
Test #10:
score: 5
Accepted
time: 0ms
memory: 1196kb
input:
934 998144339
output:
42889072
result:
ok single line: '42889072'
Test #11:
score: 5
Accepted
time: 65ms
memory: 8940kb
input:
991572 998154343
output:
277089318
result:
ok single line: '277089318'
Test #12:
score: 5
Accepted
time: 69ms
memory: 8476kb
input:
932800 998164337
output:
945072504
result:
ok single line: '945072504'
Test #13:
score: 5
Accepted
time: 62ms
memory: 8256kb
input:
903603 998174341
output:
29916736
result:
ok single line: '29916736'
Test #14:
score: 5
Accepted
time: 66ms
memory: 8684kb
input:
958646 998184331
output:
802903490
result:
ok single line: '802903490'
Test #15:
score: 5
Accepted
time: 72ms
memory: 8872kb
input:
983016 998194349
output:
802900579
result:
ok single line: '802900579'
Test #16:
score: 5
Accepted
time: 60ms
memory: 8396kb
input:
922347 998204353
output:
228575331
result:
ok single line: '228575331'
Test #17:
score: 5
Accepted
time: 86ms
memory: 8820kb
input:
976053 998214317
output:
982618317
result:
ok single line: '982618317'
Test #18:
score: 5
Accepted
time: 70ms
memory: 8672kb
input:
957300 998224351
output:
514549818
result:
ok single line: '514549818'
Test #19:
score: 5
Accepted
time: 71ms
memory: 8392kb
input:
921760 998234353
output:
470386410
result:
ok single line: '470386410'
Test #20:
score: 5
Accepted
time: 60ms
memory: 8324kb
input:
912948 998244353
output:
129235345
result:
ok single line: '129235345'