結果
| 問題 |
No.10 +か×か
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-07-25 18:28:50 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 837 ms / 5,000 ms |
| コード長 | 5,894 bytes |
| コンパイル時間 | 1,760 ms |
| コンパイル使用メモリ | 171,320 KB |
| 実行使用メモリ | 337,024 KB |
| 最終ジャッジ日時 | 2024-12-14 15:42:30 |
| 合計ジャッジ時間 | 5,420 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 12 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
// 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 LINF = LONG_MAX;
const ll INF = 1LL << 60;
const ull MAX = ULONG_MAX;
#define mp make_pair
#define pb push_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 rall(v) rbegin(v), rend(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 pvector = vector<pair<T, 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; \
}
// 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)
run(0) { fasten, fout(10); }
// Speed
#pragma GCC optimize("O3")
#pragma GCC target("avx")
// Math
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; }
inline constexpr ll modulo(const ll n, const ll m) {
if (n < 0) {
return n % m + m;
} else if (n >= m) {
return n % m;
} else {
return n;
}
}
inline constexpr ll chmod(ll &n, const ll m = MOD) { return n = modulo(n, m); }
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; }
*/
};
signed main() {
ll N, M;
cin >> N >> M;
ll A[N];
rep(i, N) cin >> A[i];
string DP[N][M + 1];
rep(i, N) rep(j, M + 1) DP[i][j] = "";
DP[0][A[0]] = ".";
rep(i, N - 1) {
rep(j, 100000) {
if (j + A[i + 1] <= M) {
chmax(DP[i + 1][j + A[i + 1]], DP[i][j] + '+');
}
if (j * A[i + 1] <= M) {
chmax(DP[i + 1][j * A[i + 1]], DP[i][j] + '*');
}
}
}
DP[N - 1][M].erase(DP[N - 1][M].begin());
cout << DP[N - 1][M] << endl;
}