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QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #48538 | #3995. Terrible Additive Number Theory Problem | 13889577060# | WA | 28ms | 4568kb | C++ | 809b | 2022-09-14 15:09:00 | 2022-09-14 15:09:00 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<int> GetPrime(int n) {
vector<bool> mark(n + 1);
vector<int> Prime;
for (int i = 2; i <= n; ++i) {
if (!mark[i]) {
Prime.emplace_back(i);
}
for (int j = 0; j < Prime.size() && i * Prime[j] <= n; ++j) {
mark[i * Prime[j]] = true;
if (i % Prime[j] == 0) {
break;
}
}
}
return Prime;
}
int main() {
long long n;
cin >> n;
auto p = GetPrime(2000000);
int m = p.size();
int ans = 0;
for (int i = 3; i < m; ++i) {
ll mul = 1ll * p[i - 1] * p[i - 2] * p[i - 3] + 1;
if (mul <= n && mul % p[i] == 0) {
ll div = mul / p[i];
while (div % 2 == 0) {
div /= 2;
}
if (div == 1) {
ans++;
}
}
}
cout << ans << '\n';
}
详细
Test #1:
score: 100
Accepted
time: 25ms
memory: 4508kb
input:
100
output:
0
result:
ok 1 number(s): "0"
Test #2:
score: 0
Accepted
time: 15ms
memory: 4404kb
input:
10000
output:
1
result:
ok 1 number(s): "1"
Test #3:
score: 0
Accepted
time: 28ms
memory: 4440kb
input:
1767
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 20ms
memory: 4472kb
input:
9876
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 27ms
memory: 4524kb
input:
1800
output:
0
result:
ok 1 number(s): "0"
Test #6:
score: 0
Accepted
time: 20ms
memory: 4424kb
input:
9540
output:
1
result:
ok 1 number(s): "1"
Test #7:
score: 0
Accepted
time: 26ms
memory: 4420kb
input:
1926
output:
0
result:
ok 1 number(s): "0"
Test #8:
score: 0
Accepted
time: 12ms
memory: 4504kb
input:
8426
output:
1
result:
ok 1 number(s): "1"
Test #9:
score: 0
Accepted
time: 19ms
memory: 4500kb
input:
2022
output:
0
result:
ok 1 number(s): "0"
Test #10:
score: 0
Accepted
time: 19ms
memory: 4440kb
input:
7826
output:
1
result:
ok 1 number(s): "1"
Test #11:
score: 0
Accepted
time: 15ms
memory: 4424kb
input:
1000000000000000000
output:
1
result:
ok 1 number(s): "1"
Test #12:
score: 0
Accepted
time: 20ms
memory: 4500kb
input:
284398329857324927
output:
1
result:
ok 1 number(s): "1"
Test #13:
score: 0
Accepted
time: 19ms
memory: 4528kb
input:
928473658274163764
output:
1
result:
ok 1 number(s): "1"
Test #14:
score: 0
Accepted
time: 13ms
memory: 4568kb
input:
2435
output:
1
result:
ok 1 number(s): "1"
Test #15:
score: 0
Accepted
time: 15ms
memory: 4468kb
input:
2430
output:
0
result:
ok 1 number(s): "0"
Test #16:
score: 0
Accepted
time: 19ms
memory: 4504kb
input:
2425
output:
0
result:
ok 1 number(s): "0"
Test #17:
score: -100
Wrong Answer
time: 19ms
memory: 4532kb
input:
2431
output:
0
result:
wrong answer 1st numbers differ - expected: '1', found: '0'