結果
| 問題 |
No.2065 Sum of Min
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-12-07 10:57:58 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 818 ms / 2,000 ms |
| コード長 | 3,823 bytes |
| コンパイル時間 | 2,925 ms |
| コンパイル使用メモリ | 85,248 KB |
| 実行使用メモリ | 74,276 KB |
| 最終ジャッジ日時 | 2024-09-27 02:03:01 |
| 合計ジャッジ時間 | 20,558 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 20 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int q = sc.nextInt();
PriorityQueue<Query> queue = new PriorityQueue<>();
BinaryIndexedTree counts = new BinaryIndexedTree(n + 1);
for (int i = 1; i <= n; i++) {
queue.add(new Query(i, sc.nextInt()));
counts.add(i, 1);
}
for (int i = 0; i < q; i++) {
queue.add(new Query(i, sc.nextInt(), sc.nextInt(), sc.nextInt()));
}
BinaryIndexedTree bit = new BinaryIndexedTree(n + 1);
long[] ans = new long[q];
while (queue.size() > 0) {
Query x = queue.poll();
if (x.isQuery()) {
ans[x.idx] = bit.getSum(x.left, x.right) + counts.getSum(x.left, x.right) * x.value;
} else {
bit.add(x.idx, x.value);
counts.add(x.idx, -1);
}
}
System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
static class Query implements Comparable<Query> {
int idx;
int left;
int right;
int value;
public Query(int idx, int left, int right, int value) {
this.idx = idx;
this.left = left;
this.right = right;
this.value = value;
}
public Query(int idx, int value) {
this(idx, 0, 0, value);
}
public boolean isQuery() {
return left > 0;
}
public int compareTo(Query another) {
return value - another.value;
}
}
}
class BinaryIndexedTree {
int size;
long[] tree;
public BinaryIndexedTree(int size) {
this.size = size;
tree = new long[size];
}
public void add(int idx, long value) {
int mask = 1;
while (idx < size) {
if ((idx & mask) != 0) {
tree[idx] += value;
idx += mask;
}
mask <<= 1;
}
}
public long getSum(int from, int to) {
return getSum(to) - getSum(from - 1);
}
public long getSum(int x) {
int mask = 1;
long ans = 0;
while (x > 0) {
if ((x & mask) != 0) {
ans += tree[x];
x -= mask;
}
mask <<= 1;
}
return ans;
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten