結果
| 問題 |
No.1000 Point Add and Array Add
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2021-05-12 08:59:05 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 758 ms / 2,000 ms |
| コード長 | 2,644 bytes |
| コンパイル時間 | 2,428 ms |
| コンパイル使用メモリ | 78,092 KB |
| 実行使用メモリ | 68,164 KB |
| 最終ジャッジ日時 | 2024-09-22 14:29:04 |
| 合計ジャッジ時間 | 12,316 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 22 |
ソースコード
import java.io.*;
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int q = sc.nextInt();
int[] org = new int[n + 1];
for (int i = 1; i <= n; i++) {
org[i] = sc.nextInt();
}
boolean[] isA = new boolean[q];
int[] lefts = new int[q];
int[] rights = new int[q];
for (int i = 0; i < q; i++) {
isA[i] = sc.next().equals("A");
lefts[i] = sc.nextInt();
rights[i] = sc.nextInt();
}
BinaryIndexedTree bit = new BinaryIndexedTree(n + 2);
long[] ans = new long[n + 1];
for (int i = q - 1; i >= 0; i--) {
if (isA[i]) {
ans[lefts[i]] += (long)rights[i] * bit.getSum(lefts[i]);
} else {
bit.add(lefts[i], 1);
bit.add(rights[i] + 1, -1);
}
}
StringBuilder sb = new StringBuilder();
for (int i = 1; i <= n; i++) {
if (i > 1) {
sb.append(" ");
}
ans[i] += (long)org[i] * bit.getSum(i);
sb.append(ans[i]);
}
System.out.println(sb);
}
}
class BinaryIndexedTree {
int size;
int[] tree;
public BinaryIndexedTree(int size) {
this.size = size;
tree = new int[size];
}
public void add(int idx, int value) {
int mask = 1;
while (idx < size) {
if ((idx & mask) != 0) {
tree[idx] += value;
idx += mask;
}
mask <<= 1;
}
}
public int getSum(int from, int to) {
return getSum(to) - getSum(from - 1);
}
public int getSum(int x) {
int mask = 1;
int ans = 0;
while (x > 0) {
if ((x & mask) != 0) {
ans += tree[x];
x -= mask;
}
mask <<= 1;
}
return ans;
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
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