結果
| 問題 | No.797 Noelちゃんとピラミッド |
| ユーザー |
 Shuz*
|
| 提出日時 | 2019-03-15 21:39:12 |
| 言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,370 bytes |
| コンパイル時間 | 1,655 ms |
| コンパイル使用メモリ | 169,164 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-01 20:36:17 |
| 合計ジャッジ時間 | 4,690 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge2 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 2 ms
5,248 KB |
| testcase_01 | AC | 2 ms
5,376 KB |
| testcase_02 | AC | 2 ms
5,376 KB |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | WA | - |
| testcase_20 | WA | - |
| testcase_21 | WA | - |
| testcase_22 | WA | - |
| testcase_23 | WA | - |
| testcase_24 | WA | - |
| testcase_25 | WA | - |
| testcase_26 | WA | - |
| testcase_27 | WA | - |
| testcase_28 | WA | - |
| testcase_29 | WA | - |
| testcase_30 | WA | - |
| testcase_31 | WA | - |
| testcase_32 | WA | - |
| testcase_33 | WA | - |
| testcase_34 | WA | - |
| testcase_35 | WA | - |
| testcase_36 | WA | - |
| testcase_37 | WA | - |
| testcase_38 | WA | - |
| testcase_39 | WA | - |
| testcase_40 | WA | - |
| testcase_41 | WA | - |
| testcase_42 | WA | - |
| testcase_43 | WA | - |
| testcase_44 | WA | - |
| testcase_45 | WA | - |
| testcase_46 | WA | - |
| testcase_47 | AC | 2 ms
5,376 KB |
| testcase_48 | WA | - |
| testcase_49 | WA | - |
| testcase_50 | WA | - |
| testcase_51 | WA | - |
| testcase_52 | WA | - |
| testcase_53 | WA | - |
| testcase_54 | AC | 2 ms
5,376 KB |
| testcase_55 | WA | - |
| testcase_56 | WA | - |
| testcase_57 | WA | - |
| testcase_58 | AC | 2 ms
5,376 KB |
| testcase_59 | WA | - |
| testcase_60 | AC | 2 ms
5,376 KB |
| testcase_61 | AC | 2 ms
5,376 KB |
| testcase_62 | WA | - |
ソースコード
#include <bits/stdc++.h>
using namespace std;
/*
#include <boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
using cint = cpp_int;
*/
// Define
using ll = long long;
using ull = unsigned long long;
using ld = long double;
const ll dx[4] = {1, 0, -1, 0};
const ll dy[4] = {0, 1, 0, -1};
const ll MOD = 1e9 + 7;
const ll mod = 998244353;
const ll inf = 1 << 30;
// const ll INF = LONG_MAX;
const ll INF = 1LL << 60;
const ull MAX = ULONG_MAX;
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define elif else if
#define endl '\n'
#define space ' '
#define def inline auto
#define func inline constexpr ll
#define run(a) __attribute__((constructor)) def _##a()
#define all(v) begin(v), end(v)
#define input(a) scanf("%lld", &(a))
#define print(a) printf("%lld\n", (a))
#define fi first
#define se second
#define ok(a, b) (0 <= (a) && (a) < (b))
template <class T> using vvector = vector<vector<T>>;
template <class T>
using rpriority_queue = priority_queue<T, vector<T>, greater<T>>;
template <class T> bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T> bool chmin(T &a, const T &b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
// Debug
#define debug(...) \
{ \
cerr << __LINE__ << ": " << #__VA_ARGS__ << " = "; \
for (auto &&X : {__VA_ARGS__}) cerr << "[" << X << "] "; \
cerr << endl; \
}
#define dump(a, h, w) \
{ \
cerr << __LINE__ << ": " << #a << " = [" << endl; \
rep(__i, h) { \
rep(__j, w) cerr << a[__i][__j] << space; \
cerr << endl; \
} \
cerr << "]" << endl; \
}
#define vdump(a, n) \
{ \
cerr << __LINE__ << ": " << #a << " = ["; \
rep(__i, n) if (__i) cerr << space << a[__i]; \
else cerr << a[__i]; \
cerr << "]" << endl; \
}
struct edge {
ll to, cost;
edge(ll a, ll b) : to(a), cost(b) {}
};
struct position {
ll x, y;
position() {}
position(ll a, ll b) : x(a), y(b) {}
position next(ll i) { return {x + dx[i], y + dy[i]}; }
ll mdist() { return abs(x) + abs(y); }
double dist() { return sqrt(x * x + y * y); }
double norm(ll d) {
if (d == inf) return max(x, y);
if (d == 1) return mdist();
if (d == 2) return dist();
return 0;
}
ll num(ll width) { return abs(x) * width + abs(y); }
bool operator==(position a) { return x == a.x && y == a.y; }
bool operator!=(position a) { return x != a.x || y != a.y; }
bool operator<(position a) { return x < a.x && y < a.y; }
bool operator>(position a) { return x > a.x && y > a.y; }
bool operator<=(position a) { return x <= a.x && y <= a.y; }
bool operator>=(position a) { return x >= a.x && y >= a.y; }
position operator+(position a) { return position(x + a.x, y + a.y); }
position operator-(position a) { return position(x - a.x, y - a.y); }
position operator*(position a) { return position(x * a.x, y * a.y); }
position operator/(position a) { return position(x / a.x, y / a.y); }
position operator%(position a) { return position(x % a.x, y % a.y); }
position complex(position a) {
return position(x * a.x - y * a.y, x * a.y + y * a.x);
}
/*
// for sort:
bool operator<(position a) { return x ^ a.x ? x < a.x : y < a.y; }
bool operator>(position a) { return x ^ a.x ? x > a.x : y > a.y; }
bool operator<=(position a) { return x ^ a.x ? x < a.x : y <= a.y; }
bool operator>=(position a) { return x ^ a.x ? x > a.x : y >= a.y; }
*/
};
position Origin = position(0, 0);
using pos = position;
using vec = position;
struct Range {
ll left, right;
Range() {}
Range(ll l, ll r) : left(l), right(r) {}
ll length() { return right - left; }
bool operator==(Range A) { return left == A.left && right == A.right; }
bool operator!=(Range A) { return !(Range(left, right) == A); }
bool operator>(Range A) { return left < A.left && right > A.right; }
bool operator<(Range A) { return left > A.left && right < A.right; }
bool operator>=(Range A) { return left <= A.left && right >= A.right; }
bool operator<=(Range A) { return left >= A.left && right <= A.right; }
};
// Loop
#define inc(i, a, n) for (ll i = (a), _##i = (n); i <= _##i; ++i)
#define dec(i, a, n) for (ll i = (a), _##i = (n); i >= _##i; --i)
#define rep(i, n) for (ll i = 0, _##i = (n); i < _##i; ++i)
#define each(i, a) for (auto &&i : a)
#define loop() for (;;)
// Stream
#define fout(n) cout << fixed << setprecision(n)
#define fasten cin.tie(0), ios::sync_with_stdio(0)
// Speed
run(0) { fasten, fout(10); }
#pragma GCC optimize("O3")
#pragma GCC target("avx")
// Gen-Test
#define RAND(a) \
{ \
random_device rnd; \
mt19937_64 a(rnd()); \
}
#define warning(A) \
if (!(A)) return 1
#define sin(a, b) ifstream a(b);
#define sout(a, b) ofstream a(b);
// Math
//#define gcd __gcd
func gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
func lcm(ll a, ll b) { return a * b / gcd(a, b); }
func sign(ll a) { return a ? abs(a) / a : 0; }
template <class T> def in() {
T A;
cin >> A;
return A;
}
template <class T>
def out(vector<vector<T>> A, ll H, ll W, char divc = space, char endc = endl) {
rep(i, H) {
rep(j, W) {
if (j)
cout << divc << A[i][j];
else
cout << A[i][j];
}
cout << endc;
}
}
def extgcd(ll a, ll b, ll &x, ll &y) {
if (b == 0) {
x = 1, y = 0;
return a;
}
ll d = extgcd(b, a % b, y, x);
y -= a / b * x;
return d;
}
def mod_inv(ll a) {
ll x, y;
ll d = extgcd(a, MOD, x, y);
return (d == 1) * ((x + MOD) % MOD);
}
signed main() {
ll N;
cin >> N;
ll A[N], nCr[N], res = 0;
rep(i, N) cin >> A[i];
nCr[0] = 1;
rep(i, N - 1) nCr[i + 1] = (N - 1 - i) * mod_inv(i + 1) * nCr[i] % MOD;
rep(i, N) res += A[i] * nCr[i] % MOD;
cout << res % MOD << endl;
}
// for compilation: g++ -Ofast -march=native -o _ _.cpp -std=c++17