結果
| 問題 |
No.1736 Princess vs. Dragoness
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-11-13 01:00:50 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 2,000 ms |
| コード長 | 2,096 bytes |
| コンパイル時間 | 1,534 ms |
| コンパイル使用メモリ | 194,620 KB |
| 実行使用メモリ | 7,848 KB |
| 最終ジャッジ日時 | 2025-07-04 14:05:11 |
| 合計ジャッジ時間 | 2,556 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 34 |
ソースコード
// code of JUYU ^ ^ never doubt youself !
#include <bits/stdc++.h>
typedef long long ll;
#define int ll
#define For(i,a,b) for (int i = a; i <= b; i ++)
#define Dow(i,a,b) for (int i = b; i >= a; -- i)
#define ms(a,b) memset(a, b, sizeof (a))
#define fir first
#define sec second
#define mk make_pair
#define pb push_back
#define eb emplace_back
using namespace std;
typedef pair<int,int> PII;
const int mod = 998244353;
const int MOD = 1000000007;
const int maxn = 3005;
inline ll read()
{
ll t = 0, dp = 1; char c = getchar();
while(!isdigit(c)) {if (c == '-') dp = -1; c = getchar();}
while(isdigit(c)) t = t * 10 + c - 48, c = getchar();
return t * dp;
}
inline void write(ll x){if (x < 0){putchar('-'); x = -x;} if(x >= 10) write(x / 10); putchar(x % 10 + 48);}
inline void writeln(ll x){write(x); puts("");}
inline void write_p(ll x){write(x); putchar(' ');}
inline void write_b(ll x){putchar(' '); write(x);}
inline int qpow(int x, int y, int z){int ret = 1; for (; y; y /= 2, x = x * x % z) if (y & 1) ret = ret * x % z; return ret;}
inline int PrimeInv(int x, int y, int z){return qpow(x, y - 2, z);}
int H[maxn], N, A, B, X, Y;
inline bool check(int x)
{
int ret = 0;
For(i,1,N)
{
int t = max(0LL, (H[i] - x) / X);
if (H[i] - t * X > x) t ++;
ret += t;
}
return ret <= A;
}
signed main()
{
N = read(), A = read(), B = read(), X = read(), Y = read();
For(i,1,N) H[i] = read();
int l = -1, r = 1e9 + 1, x = -1;
while (l + 1 != r)
{
int mid = (l + r) / 2;
if (check(mid)) x = r = mid;
else l = mid;
}
For(i,1,N)
{
if (H[i] > x)
{
int t = max(0LL, (H[i] - x) / X);
if (H[i] - t * X > x) t ++;
if (A >= t)
{
H[i] -= t * X;
A -= t;
}
}
H[i] = max(0LL, H[i]);
}
int sum = 0;
For(i,1,N) sum += H[i];
puts((sum + Y - 1) / Y <= B ? "Yes" : "No");
return 0;
}
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
-- Benq
*/