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 | 2023-02-01 09:53:33 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 1,163 ms / 2,000 ms |
| コード長 | 3,311 bytes |
| コンパイル時間 | 3,058 ms |
| コンパイル使用メモリ | 87,488 KB |
| 実行使用メモリ | 86,632 KB |
| 最終ジャッジ日時 | 2024-07-01 07:04:58 |
| 合計ジャッジ時間 | 14,971 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / 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.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
long[] inits = new long[n];
for (int i = 0; i < n; i++) {
inits[i] = sc.nextInt();
}
boolean[] isAs = new boolean[m];
int[] idx = new int[m];
int[] value = new int[m];
for (int i = 0; i < m; i++) {
isAs[i] = (sc.next().charAt(0) == 'A');
idx[i] = sc.nextInt();
value[i] = sc.nextInt();
}
BinaryIndexedTree counts = new BinaryIndexedTree(n + 2);
long[] ans = new long[n];
for (int i = m - 1; i >= 0; i--) {
if (isAs[i]) {
int time = counts.getSum(idx[i]);
long x = value[i];
ans[idx[i] - 1] += x * time;
} else {
counts.add(idx[i], 1);
counts.add(value[i] + 1, -1);
}
}
for (int i = 0; i < n; i++) {
ans[i] += inits[i] * counts.getSum(i + 1);
}
System.out.println(String.join(" ", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
}
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 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();
}
}
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