結果
| 問題 |
No.1104 オンライン点呼
|
| ユーザー |
|
| 提出日時 | 2020-07-03 22:30:45 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 35 ms / 2,000 ms |
| コード長 | 2,978 bytes |
| コンパイル時間 | 837 ms |
| コンパイル使用メモリ | 121,768 KB |
| 実行使用メモリ | 12,076 KB |
| 最終ジャッジ日時 | 2024-06-22 07:37:26 |
| 合計ジャッジ時間 | 2,005 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;
class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }
bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }
int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }
enum INF = 10L^^18;
void main() {
try {
for (; ; ) {
const N = readInt();
const K = readLong();
auto A = new long[N];
foreach (u; 0 .. N) {
A[u] = readLong();
}
auto B = new long[N];
foreach (u; 0 .. N) {
B[u] = readLong();
}
if(!(1<=N&&N<=10^^5))for(;;){}
if(!(0<=K&&K<=10^^8))for(;;){}
foreach(u;0..N)if(!(0<=A[u]&&A[u]<=10^^8))for(;;){}
foreach(u;0..N)if(!(0<=B[u]&&B[u]<=10^^8))for(;;){}
/*
alias Entry = Tuple!(long, "c", int, "u");
BinaryHeap!(Array!Entry, "a.c > b.c") que;
auto dist = new long[N];
dist[] = INF;
dist[0] = 0;
que.insert(Entry(0, 0));
for (; !que.empty; ) {
const c = que.front.c;
const u = que.front.u;
que.removeFront;
if (dist[u] == c) {
if (u + 1 < N) {
const cc = dist[u] + A[u] + B[u + 1];
if (chmin(dist[u + 1], cc)) {
que.insert(Entry(cc, u + 1));
}
}
if (u + 2 < N) {
const cc = dist[u] + A[u] + B[u + 2] + K;
if (chmin(dist[u + 2], cc)) {
que.insert(Entry(cc, u + 2));
}
}
}
}
*/
auto dist = new long[N];
dist[] = INF;
dist[0] = 0;
foreach (u; 0 .. N) {
if (u + 1 < N) {
const cc = dist[u] + A[u] + B[u + 1];
chmin(dist[u + 1], cc);
}
if (u + 2 < N) {
const cc = dist[u] + A[u] + B[u + 2] + K;
chmin(dist[u + 2], cc);
}
}
debug {
writeln("dist = ", dist);
}
// const ans = dist.maxElement;
const ans = dist[max(N - 2, 0) .. N].maxElement;
writeln(ans);
}
} catch (EOFException e) {
}
}