結果
| 問題 |
No.2617 容量3のナップザック
|
| コンテスト | |
| ユーザー |
 uwi
|
| 提出日時 | 2024-01-26 23:03:33 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 15,163 bytes |
| コンパイル時間 | 5,658 ms |
| コンパイル使用メモリ | 94,272 KB |
| 実行使用メモリ | 134,352 KB |
| 最終ジャッジ日時 | 2024-09-28 08:54:39 |
| 合計ジャッジ時間 | 27,484 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 21 WA * 6 TLE * 6 -- * 7 |
ソースコード
package contest240126.contest240126;
import java.io.*;
import java.util.*;
import java.util.function.IntUnaryOperator;
import java.util.function.LongUnaryOperator;
public class D {
InputStream is;
FastWriter out;
String INPUT = "";
public void solve()
{
// 3
// 2+1
// 1+1+1
// 2
// 1+1
// 1
int n = ni();
int K = ni();
long seed = ni();
long a = nl(), b = nl(), m = nl();
long[] f = new long[2*n];
f[0] = seed;
for(int i = 1;i < 2*n;i++){
f[i] = (a*f[i-1]+b)%m;
}
long[] w = new long[n];
long[] v = new long[n];
for(int i = 0;i < n;i++){
w[i] = f[i] % 3 + 1;
v[i] = w[i] * f[n+i];
}
// tr(w);
// tr(v);
List<List<Long>> ws = new ArrayList<>();
for(int i = 0;i < 4;i++){
ws.add(new ArrayList<>());
}
for(int i = 0;i < n;i++){
ws.get((int)w[i]).add(v[i]);
}
for(int i = 0;i < 4;i++){
Collections.sort(ws.get(i));
Collections.reverse(ws.get(i));
}
long[] twocum = new long[ws.get(2).size()+1];
for(int i = 0;i < ws.get(2).size();i++){
twocum[i+1] = twocum[i] + ws.get(2).get(i);
}
long[] threecum = new long[ws.get(3).size()+1];
for(int i = 0;i < ws.get(3).size();i++){
threecum[i+1] = threecum[i] + ws.get(3).get(i);
}
long[][] otcum = new long[2][K+1];
long[][] ot = new long[2][K];
for(int k = 0;k < 2;k++) {
for (int i = 0; i < K; i++) {
ot[k][i] = (i*2 + k < ws.get(1).size() ? ws.get(1).get(i * 2 + k) : 0)
+ (i*2+1 + k < ws.get(1).size() ? ws.get(1).get(i * 2 + 1 + k) : 0);;
otcum[k][i + 1] = otcum[k][i] + ot[k][i];
}
}
long[] onecum = new long[K+1];
for(int i = 0;i < K;i++){
onecum[i+1] = onecum[i] + (i < ws.get(1).size() ? ws.get(1).get(i) : 0);
}
long ans = 0;
for(int three = 0;three <= K && three <= ws.get(3).size();three++){
long sum = threecum[three] + onecum[K-three];
// tr(three, sum);
long low = -1, high = 2000000007;
// tr(ws.get(2));
// tr(ot[K - three & 1]);
while(high - low > 1) {
long h = high + low >> 1;
int ind2 = Math.min(K - three, rlowerBound(ws.get(2), h));
int ind1 = Math.min(K - three, rlowerBound(ot[K - three & 1], h) - (K - three) / 2);
// tr(ind2, ind1, h, K-three);
if (ind2 + ind1 >= (K - three)) {
low = h;
} else {
high = h;
}
}
long h = low;
int ind2 = Math.min(K - three, rlowerBound(ws.get(2), h));
int ind1 = Math.min(K - three, rlowerBound(ot[K - three & 1], h) - (K - three) / 2);
ind2 = Math.min(ind2, K-three - ind1);
int ind = Math.min(K-three+(K-three)/2, rlowerBound(ot[K-three&1], h));
// tr(ind2, ind, (K-three)/2, K, otcum[1]);
ans = Math.max(ans, sum + twocum[ind2] + otcum[K-three&1][ind] - otcum[K-three&1][(K-three)/2]);
}
out.println(ans);
// a1,a2,a3
// a1+2a2+3a3 = 3k
// a2+a3 <= k
}
public static int lowerBound(List<Integer> a, int v){ return lowerBound(a, 0, a.size(), v); }
public static int lowerBound(List<Integer> a, int l, int r, int v)
{
if(l > r || l < 0 || r > a.size())throw new IllegalArgumentException();
int low = l-1, high = r;
while(high-low > 1){
int h = high+low>>>1;
if(a.get(h) >= v){
high = h;
}else{
low = h;
}
}
return high;
}
public static int rlowerBound(List<Long> a, long v){ return rlowerBound(a, 0, a.size(), v); }
public static int rlowerBound(List<Long> a, int l, int r, long v)
{
if(l > r || l < 0 || r > a.size())throw new IllegalArgumentException();
int low = l-1, high = r;
while(high-low > 1){
int h = high+low>>>1;
if(a.get(h) <= v){
high = h;
}else{
low = h;
}
}
return high;
}
public static int rlowerBound(long[] a, long v){ return rlowerBound(a, 0, a.length, v); }
public static int rlowerBound(long[] a, int l, int r, long v)
{
if(l > r || l < 0 || r > a.length)throw new IllegalArgumentException();
int low = l-1, high = r;
while(high-low > 1){
int h = high+low>>>1;
if(a[h] <= v){
high = h;
}else{
low = h;
}
}
return high;
}
public static void main(String[] args) {
new D().run();
}
public void run()
{
long S = System.currentTimeMillis();
is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
out = new FastWriter(System.out);
solve();
out.flush();
long G = System.currentTimeMillis();
tr(G-S+"ms");
// Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
// @Override
// public void run() {
// long s = System.currentTimeMillis();
// solve();
// out.flush();
// if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
// }
// };
// t.start();
// t.join();
}
private boolean eof()
{
if(lenbuf == -1)return true;
int lptr = ptrbuf;
while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false;
try {
is.mark(1000);
while(true){
int b = is.read();
if(b == -1){
is.reset();
return true;
}else if(!isSpaceChar(b)){
is.reset();
return false;
}
}
} catch (IOException e) {
return true;
}
}
private final byte[] inbuf = new byte[1024];
public int lenbuf = 0, ptrbuf = 0;
private int readByte()
{
if(lenbuf == -1)throw new InputMismatchException();
if(ptrbuf >= lenbuf){
ptrbuf = 0;
try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
if(lenbuf <= 0)return -1;
}
return inbuf[ptrbuf++];
}
private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
// private boolean isSpaceChar(int c) { return !(c >= 32 && c <= 126); }
private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
private double nd() { return Double.parseDouble(ns()); }
private char nc() { return (char)skip(); }
private String ns()
{
int b = skip();
StringBuilder sb = new StringBuilder();
while(!(isSpaceChar(b))){
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
private char[] ns(int n)
{
char[] buf = new char[n];
int b = skip(), p = 0;
while(p < n && !(isSpaceChar(b))){
buf[p++] = (char)b;
b = readByte();
}
return n == p ? buf : Arrays.copyOf(buf, p);
}
private char[][] nm(int n, int m)
{
char[][] map = new char[n][];
for(int i = 0;i < n;i++)map[i] = ns(m);
return map;
}
private int[][] nmi(int n, int m)
{
int[][] map = new int[n][];
for(int i = 0;i < n;i++)map[i] = na(m);
return map;
}
private int[] na(int n)
{
int[] a = new int[n];
for(int i = 0;i < n;i++)a[i] = ni();
return a;
}
private long[] nal(int n)
{
long[] a = new long[n];
for(int i = 0;i < n;i++)a[i] = nl();
return a;
}
private int ni()
{
int num = 0, b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
private long nl()
{
long num = 0;
int b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
public static class FastWriter
{
private static final int BUF_SIZE = 1<<13;
private final byte[] buf = new byte[BUF_SIZE];
private final OutputStream out;
private int ptr = 0;
private FastWriter(){out = null;}
public FastWriter(OutputStream os)
{
this.out = os;
}
public FastWriter(String path)
{
try {
this.out = new FileOutputStream(path);
} catch (FileNotFoundException e) {
throw new RuntimeException("FastWriter");
}
}
public FastWriter write(byte b)
{
buf[ptr++] = b;
if(ptr == BUF_SIZE)innerflush();
return this;
}
public FastWriter write(char c)
{
return write((byte)c);
}
public FastWriter write(char[] s)
{
for(char c : s){
buf[ptr++] = (byte)c;
if(ptr == BUF_SIZE)innerflush();
}
return this;
}
public FastWriter write(String s)
{
s.chars().forEach(c -> {
buf[ptr++] = (byte)c;
if(ptr == BUF_SIZE)innerflush();
});
return this;
}
private static int countDigits(int l) {
if (l >= 1000000000) return 10;
if (l >= 100000000) return 9;
if (l >= 10000000) return 8;
if (l >= 1000000) return 7;
if (l >= 100000) return 6;
if (l >= 10000) return 5;
if (l >= 1000) return 4;
if (l >= 100) return 3;
if (l >= 10) return 2;
return 1;
}
public FastWriter write(int x)
{
if(x == Integer.MIN_VALUE){
return write((long)x);
}
if(ptr + 12 >= BUF_SIZE)innerflush();
if(x < 0){
write((byte)'-');
x = -x;
}
int d = countDigits(x);
for(int i = ptr + d - 1;i >= ptr;i--){
buf[i] = (byte)('0'+x%10);
x /= 10;
}
ptr += d;
return this;
}
private static int countDigits(long l) {
if (l >= 1000000000000000000L) return 19;
if (l >= 100000000000000000L) return 18;
if (l >= 10000000000000000L) return 17;
if (l >= 1000000000000000L) return 16;
if (l >= 100000000000000L) return 15;
if (l >= 10000000000000L) return 14;
if (l >= 1000000000000L) return 13;
if (l >= 100000000000L) return 12;
if (l >= 10000000000L) return 11;
if (l >= 1000000000L) return 10;
if (l >= 100000000L) return 9;
if (l >= 10000000L) return 8;
if (l >= 1000000L) return 7;
if (l >= 100000L) return 6;
if (l >= 10000L) return 5;
if (l >= 1000L) return 4;
if (l >= 100L) return 3;
if (l >= 10L) return 2;
return 1;
}
public FastWriter write(long x)
{
if(x == Long.MIN_VALUE){
return write("" + x);
}
if(ptr + 21 >= BUF_SIZE)innerflush();
if(x < 0){
write((byte)'-');
x = -x;
}
int d = countDigits(x);
for(int i = ptr + d - 1;i >= ptr;i--){
buf[i] = (byte)('0'+x%10);
x /= 10;
}
ptr += d;
return this;
}
public FastWriter write(double x, int precision)
{
if(x < 0){
write('-');
x = -x;
}
x += Math.pow(10, -precision)/2;
// if(x < 0){ x = 0; }
write((long)x).write(".");
x -= (long)x;
for(int i = 0;i < precision;i++){
x *= 10;
write((char)('0'+(int)x));
x -= (int)x;
}
return this;
}
public FastWriter writeln(char c){ return write(c).writeln(); }
public FastWriter writeln(int x){ return write(x).writeln(); }
public FastWriter writeln(long x){ return write(x).writeln(); }
public FastWriter writeln(double x, int precision){ return write(x, precision).writeln(); }
public FastWriter write(int... xs)
{
boolean first = true;
for(int x : xs) {
if (!first) write(' ');
first = false;
write(x);
}
return this;
}
public FastWriter write(long... xs)
{
boolean first = true;
for(long x : xs) {
if (!first) write(' ');
first = false;
write(x);
}
return this;
}
public FastWriter write(IntUnaryOperator f, int... xs)
{
boolean first = true;
for(int x : xs) {
if (!first) write(' ');
first = false;
write(f.applyAsInt(x));
}
return this;
}
public FastWriter write(LongUnaryOperator f, long... xs)
{
boolean first = true;
for(long x : xs) {
if (!first) write(' ');
first = false;
write(f.applyAsLong(x));
}
return this;
}
public FastWriter writeln()
{
return write((byte)'\n');
}
public FastWriter writeln(int... xs) { return write(xs).writeln(); }
public FastWriter writeln(long... xs) { return write(xs).writeln(); }
public FastWriter writeln(IntUnaryOperator f, int... xs) { return write(f, xs).writeln(); }
public FastWriter writeln(LongUnaryOperator f, long... xs) { return write(f, xs).writeln(); }
public FastWriter writeln(char[] line) { return write(line).writeln(); }
public FastWriter writeln(char[]... map) { for(char[] line : map)write(line).writeln();return this; }
public FastWriter writeln(String s) { return write(s).writeln(); }
private void innerflush()
{
try {
out.write(buf, 0, ptr);
ptr = 0;
} catch (IOException e) {
throw new RuntimeException("innerflush");
}
}
public void flush()
{
innerflush();
try {
out.flush();
} catch (IOException e) {
throw new RuntimeException("flush");
}
}
public FastWriter print(byte b) { return write(b); }
public FastWriter print(char c) { return write(c); }
public FastWriter print(char[] s) { return write(s); }
public FastWriter print(String s) { return write(s); }
public FastWriter print(int x) { return write(x); }
public FastWriter print(long x) { return write(x); }
public FastWriter print(double x, int precision) { return write(x, precision); }
public FastWriter println(char c){ return writeln(c); }
public FastWriter println(int x){ return writeln(x); }
public FastWriter println(long x){ return writeln(x); }
public FastWriter println(double x, int precision){ return writeln(x, precision); }
public FastWriter print(int... xs) { return write(xs); }
public FastWriter print(long... xs) { return write(xs); }
public FastWriter print(IntUnaryOperator f, int... xs) { return write(f, xs); }
public FastWriter print(LongUnaryOperator f, long... xs) { return write(f, xs); }
public FastWriter println(int... xs) { return writeln(xs); }
public FastWriter println(long... xs) { return writeln(xs); }
public FastWriter println(IntUnaryOperator f, int... xs) { return writeln(f, xs); }
public FastWriter println(LongUnaryOperator f, long... xs) { return writeln(f, xs); }
public FastWriter println(char[] line) { return writeln(line); }
public FastWriter println(char[]... map) { return writeln(map); }
public FastWriter println(String s) { return writeln(s); }
public FastWriter println() { return writeln(); }
}
public static void trnz(int... o)
{
for(int i = 0;i < o.length;i++)if(o[i] != 0)System.out.print(i+":"+o[i]+" ");
System.out.println();
}
// print ids which are 1
public static void trt(long... o)
{
Queue<Integer> stands = new ArrayDeque<>();
for(int i = 0;i < o.length;i++){
for(long x = o[i];x != 0;x &= x-1)stands.add(i<<6|Long.numberOfTrailingZeros(x));
}
System.out.println(stands);
}
public static void tf(boolean... r)
{
for(boolean x : r)System.out.print(x?'#':'.');
System.out.println();
}
public static void tf(boolean[]... b)
{
for(boolean[] r : b) {
for(boolean x : r)System.out.print(x?'#':'.');
System.out.println();
}
System.out.println();
}
public void tf(long[]... b)
{
if(INPUT.length() != 0) {
for (long[] r : b) {
for (long x : r) {
for (int i = 0; i < 64; i++) {
System.out.print(x << ~i < 0 ? '#' : '.');
}
}
System.out.println();
}
System.out.println();
}
}
public void tf(long... b)
{
if(INPUT.length() != 0) {
for (long x : b) {
for (int i = 0; i < 64; i++) {
System.out.print(x << ~i < 0 ? '#' : '.');
}
}
System.out.println();
}
}
private void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
}