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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 |
---|---|---|---|---|---|---|---|---|---|
#268314 | #7044. Easy Problem | 8BQube# | AC ✓ | 114ms | 4260kb | C++20 | 1.5kb | 2023-11-28 15:40:56 | 2023-11-28 15:40:56 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define pb push_back
#define ALL(v) v.begin(), v.end()
#define SZ(a) ((int)a.size())
const int MAXM = 100005;
const int MOD = 59964251;
const int PHI = 59870352;
int pw(int a, int n) {
if (a == 0) return 0;
int res = 1;
for (; n; n >>= 1, a = (ll)a * a % MOD)
if (n & 1)
res = (ll)res * a % MOD;
return res;
}
void add(int &x, int val) {
x += val;
if (x >= MOD) x -= MOD;
}
int mu[MAXM], prime[MAXM];
void solve() {
int n;
int m, d, k;
{
string num;
cin >> num;
n = 0;
for (char c : num) {
n = ((ll)n * 10 + int(c - '0'));
if (n >= 2 * PHI) {
n %= PHI;
n += PHI;
}
}
}
cin >> m >> d >> k;
vector<int> sumk(m + 1);
for (int i = 1; i <= m; ++i) {
sumk[i] = pw(i, k);
add(sumk[i], sumk[i - 1]);
}
int ans = 0;
for (int i = 1; i <= m / d; ++i) {
int val = pw((ll)pw(i * d, k) * sumk[m / (i * d)] % MOD, n);
if (mu[i] == 1) add(ans, val);
else if (mu[i] == -1) add(ans, MOD - val);
}
cout << ans << "\n";
}
int main() {
ios::sync_with_stdio(0), cin.tie(0);
mu[1] = 1;
for (int i = 1; i < MAXM; ++i)
for (int j = i + i; j < MAXM; j += i)
mu[j] -= mu[i];
int t;
cin >> t;
while (t--) {
solve();
}
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3816kb
input:
1 3 3 3 1
output:
27
result:
ok 1 number(s): "27"
Test #2:
score: 0
Accepted
time: 114ms
memory: 4260kb
input:
20 3 3 3 1 9109799336 6801 6178 261710951 7273901587 15151 659 409734533 2867553837 42265 22783 503178763 9393025453 49771 40281 632206641 8546649695 27578 8371 768172206 2453202595 27622 5445 542869700 334181849 61345 20134 20459578 2059563445 3141 1828 946541278 7244386143 69641 50850 906938712 89...
output:
27 20547372 8512644 59186649 51209646 43975644 44588858 9043868 30587070 44698073 3989303 8179341 37852631 19910063 45874282 20815913 47317834 21091711 47365734 49692924
result:
ok 20 numbers