結果
| 問題 |
No.1046 Fruits Rush
|
| コンテスト | |
| ユーザー |
 CuriousFairy315
|
| 提出日時 | 2020-05-08 21:54:41 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 56 ms / 2,000 ms |
| コード長 | 6,415 bytes |
| コンパイル時間 | 2,457 ms |
| コンパイル使用メモリ | 79,456 KB |
| 実行使用メモリ | 36,892 KB |
| 最終ジャッジ日時 | 2024-07-04 00:34:10 |
| 合計ジャッジ時間 | 4,118 ms |
|
ジャッジサーバーID （参考情報） |
judge4 / judge1 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 14 |
ソースコード
public class Main {
public static void main(String[] args) {
new Main();
}
public Main() {
FastScanner fs = new FastScanner();
java.io.PrintWriter out = new java.io.PrintWriter(System.out);
solve(fs, out);
out.flush();
//if (fs.hasNext()) throw new AssertionError("read input");
}
public void solve(FastScanner fs, java.io.PrintWriter out) {
int N = fs.nextInt(), K = fs.nextInt();
int[] A = new int[N];
for (int i = 0;i < N;++ i) A[i] = fs.nextInt();
Arrays.sort(A);
int ans = A[N - 1];
for (int i = 1;i < K;++ i) ans += Math.max(0, A[N - i - 1]);
out.println(ans);
}
static class FastScanner {
private final java.io.InputStream in = System.in;
private final byte[] buffer = new byte[1024];
private int ptr = 0;
private int buflen = 0;
private boolean hasNextByte() {
if (ptr < buflen) return true;
ptr = 0;
try {
buflen = in.read(buffer);
} catch (java.io.IOException e) {
e.printStackTrace();
}
return buflen > 0;
}
private byte readByte() {
return hasNextByte() ? buffer[ptr++ ] : -1;
}
private static boolean isPrintableChar(byte c) {
return 32 < c || c < 0;
}
private static boolean isNumber(int c) {
return '0' <= c && c <= '9';
}
public boolean hasNext() {
while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++ ;
return hasNextByte();
}
public String next() {
if (!hasNext()) throw new java.util.NoSuchElementException();
StringBuilder sb = new StringBuilder();
byte b;
while (isPrintableChar(b = readByte())) sb.appendCodePoint(b);
return sb.toString();
}
public final long nextLong() {
if (!hasNext()) throw new java.util.NoSuchElementException();
long n = 0;
try {
byte b = readByte();
if (b == '-') {
while(isNumber(b = readByte())) n = n * 10 + '0' - b;
return n;
} else if (!isNumber(b)) throw new NumberFormatException();
do n = n * 10 + b - '0'; while (isNumber(b = readByte()));
} catch (java.util.NoSuchElementException e) {
}
return n;
}
public final int nextInt() {
if (!hasNext()) throw new java.util.NoSuchElementException();
int n = 0;
try {
byte b = readByte();
if (b == '-') {
while(isNumber(b = readByte())) n = n * 10 + '0' - b;
return n;
} else if (!isNumber(b)) throw new NumberFormatException();
do n = n * 10 + b - '0'; while (isNumber(b = readByte()));
} catch (java.util.NoSuchElementException e) {
}
return n;
}
public double nextDouble() {
return Double.parseDouble(next());
}
}
public static class Arrays {
public static void sort(final int[] array) {
int l, min = 0xFFFFFFFF, max = 0;
for (l = 0;l < array.length;++ l) {
int i = array[l];
min &= i;
max |= i;
if ((i & 0x80000000) == 0) break;
}
for (int r = l + 1;r < array.length;++ r) {
int i = array[r];
min &= i;
max |= i;
if ((i & 0x80000000) != 0) {
array[r] = array[l];
array[l ++] = i;
}
}
int use = min ^ max, bit = Integer.highestOneBit(use & 0x7FFFFFFF);
if (bit == 0) return;
sort(array, 0, l, use, bit);
sort(array, l, array.length, use, bit);
}
private static void sort(final int[] array, final int left, final int right, final int use, int digit) {
if (right - left <= 96) {
for (int i = left + 1;i < right;++ i) {
int tmp = array[i], tmp2, j;
for (j = i;j > left && (tmp2 = array[j - 1]) > tmp;-- j) array[j] = tmp2;
array[j] = tmp;
}
return;
}
int l = left;
while(l < right && (array[l] & digit) == 0) ++ l;
for (int r = l + 1;r < right;++ r) {
int i = array[r];
if ((i & digit) == 0) {
array[r] = array[l];
array[l ++] = i;
}
}
if ((digit = Integer.highestOneBit(use & digit - 1)) == 0) return;
sort(array, left, l, use, digit);
sort(array, l, right, use, digit);
}
public static void sort(final long[] array) {
int l;
long min = 0xFFFFFFFFFFFFFFFFL, max = 0;
for (l = 0;l < array.length;++ l) {
long i = array[l];
min &= i;
max |= i;
if ((i & 0x8000000000000000L) == 0) break;
}
for (int r = l + 1;r < array.length;++ r) {
long i = array[r];
min &= i;
max |= i;
if ((i & 0x8000000000000000L) != 0) {
array[r] = array[l];
array[l ++] = i;
}
}
long use = min ^ max, bit = Long.highestOneBit(use & 0x7FFFFFFFFFFFFFFFL);
if (bit == 0) return;
sort(array, 0, l, use, bit);
sort(array, l, array.length, use, bit);
}
private static void sort(final long[] array, final int left, final int right, final long use, long digit) {
if (right - left <= 96) {
for (int i = left + 1, j;i < right;++ i) {
long tmp = array[i], tmp2;
for (j = i;j > left && (tmp2 = array[j - 1]) > tmp;-- j) array[j] = tmp2;
array[j] = tmp;
}
return;
}
int l = left;
while(l < right && (array[l] & digit) == 0) ++ l;
for (int r = l + 1;r < right;++ r) {
long i = array[r];
if ((i & digit) == 0) {
array[r] = array[l];
array[l ++] = i;
}
}
if ((digit = Long.highestOneBit(use & digit - 1)) == 0) return;
sort(array, left, l, use, digit);
sort(array, l, right, use, digit);
}
}
public static class IntMath {
public static int gcd(int a, int b) {
while (a != 0) if ((b %= a) != 0) a %= b; else return a;
return b;
}
public static int gcd(int... array) {
int ret = array[0];
for (int i = 1;i < array.length;++ i) ret = gcd(ret, array[i]);
return ret;
}
public static long gcd(long a, long b) {
while (a != 0) if ((b %= a) != 0) a %= b; else return a;
return b;
}
public static long gcd(long... array) {
long ret = array[0];
for (int i = 1;i < array.length;++ i) ret = gcd(ret, array[i]);
return ret;
}
public static long lcm(long a, long b) {
return a / gcd(a, b) * b;
}
public static int pow(int a, int b) {
int ans = 1;
for (int mul = a;b > 0;b >>= 1, mul *= mul) if ((b & 1) != 0) ans *= mul;
return ans;
}
public static int pow(int a, int b, int mod) {
if (b < 0) b = b % (mod - 1) + mod - 1;
long ans = 1;
for (long mul = a;b > 0;b >>= 1, mul = mul * mul % mod) if ((b & 1) != 0) ans = ans * mul % mod;
return (int)ans;
}
public static int floorsqrt(long n) {
return (int)Math.sqrt(n + 0.1);
}
public static int ceilsqrt(long n) {
return n <= 1 ? (int)n : (int)Math.sqrt(n - 0.1) + 1;
}
}
}