結果
| 問題 | No.3612 Breaking door keys(ALL BREAK ver.) |
| コンテスト | |
| ユーザー |
37zigen
|
| 提出日時 | 2026-08-10 18:18:40 |
| 言語 | Java (openjdk 25.0.2) |
| 結果 |
AC
|
| 実行時間 | 254 ms / 2,000 ms |
| + 738µs | |
| コード長 | 6,450 bytes |
| 記録 | |
| コンパイル時間 | 1,763 ms |
| コンパイル使用メモリ | 96,240 KB |
| 実行使用メモリ | 53,596 KB |
| 最終ジャッジ日時 | 2026-08-10 18:18:50 |
| 合計ジャッジ時間 | 8,629 ms |
|
ジャッジサーバーID (参考情報) |
judge3_1 / judge2_0 |
(要ログイン)
| サブタスク | 配点 | 結果 |
|---|---|---|
| サンプル | 0 % | AC * 3 |
| 小課題1 | 40 % | AC * 7 |
| 小課題2 | 40 % | AC * 7 |
| 小課題3 | 20 % | AC * 24 |
| 合計 | 1.5 * 100% = 150 点 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.lang.reflect.Array;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Queue;
import java.util.Random;
import java.util.function.IntBinaryOperator;
import java.util.function.IntFunction;
import java.util.function.IntToDoubleFunction;
import java.util.function.IntToLongFunction;
import java.util.function.IntUnaryOperator;
import java.util.function.LongBinaryOperator;
import java.util.function.Predicate;
import java.util.function.ToIntFunction;
import java.util.random.RandomGenerator;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class Main {
static MyPrintWriter pw = MyPrintWriter.getInstance();
static FastScanner sc = FastScanner.getInstance();
public static void main(String[] args) throws IOException {
Thread.setDefaultUncaughtExceptionHandler((t, e) -> System.exit(1));
new Main().run();
pw.flush();
}
void run() {
int N = sc.nextInt();
int Q = sc.nextInt();
int[] S = sc.nextInts(N);
var ds = new StaticPointAddRangeSum1D(S);
for (int QUERY = 0; QUERY < Q; QUERY++) {
int L = sc.nextInt() - 1;
int R = sc.nextInt();
int K = sc.nextInt();
long ans = ds.getRangeSum(L, R);
pw.println(ans);
}
}
}
class ArrayUtils {
/**
* b[i] = a[1] + a[2] + .. + a[i]
*
* @param a
* @return */
public static long[] prefixSum(long[] a) {
long[] b = new long[a.length];
for (int i = 0; i < b.length; ++i) {
b[i] = (i == 0 ? 0 : b[i - 1]) + a[i];
}
return b;
}
}
class FastScanner {
private static FastScanner instance = null;
private final InputStream in = System.in;
private final byte[] buffer = new byte[1 << 16];
private int ptr = 0;
private int buflen = 0;
private FastScanner() {
}
public static FastScanner getInstance() {
if (instance == null) {
instance = new FastScanner();
}
return instance;
}
private boolean hasNextByte() {
if (ptr < buflen) {
return true;
}
ptr = 0;
try {
buflen = in.read(buffer);
} catch (IOException e) {
e.printStackTrace();
}
return buflen > 0;
}
private int readByte() {
if (hasNextByte()) {
return buffer[ptr++];
} else {
return -1;
}
}
private boolean isPrintableChar(int c) {
return (33 <= c) && (c <= 126);
}
public boolean hasNext() {
while (hasNextByte() && (!isPrintableChar(buffer[ptr]))) {
ptr++;
}
return hasNextByte();
}
public long nextLong() {
if (!hasNext()) {
throw new NoSuchElementException();
}
long n = 0;
boolean minus = false;
int b = readByte();
if (b == '-') {
minus = true;
b = readByte();
}
while ((b >= '0') && (b <= '9')) {
// n = n * 10 + (b - '0');
n = ((n << 1) + (n << 3)) + (b - '0');
b = readByte();
}
return minus ? -n : n;
}
public int nextInt() {
return ((int) (nextLong()));
}
public int[] nextInts(int n) {
int[] a = new int[n];
for (int i = 0; i < n; ++i) {
a[i] = nextInt();
}
return a;
}
}
class MyPrintWriter extends PrintWriter {
private static MyPrintWriter instance = null;
private MyPrintWriter() {
super(System.out);
}
public static MyPrintWriter getInstance() {
if (instance == null) {
instance = new MyPrintWriter();
}
return instance;
}
}
class StaticPointAddRangeSum1D {
int N;
long[] A;
boolean isBuilt = false;
/**
* 座標iにa[i]を足して初期化する
*
* @param N
*/
public StaticPointAddRangeSum1D(int[] a) {
this.N = a.length;
A = new long[N];
for (int i = 0; i < A.length; i++) {
add(i, a[i]);
}
}
public void add(int i, long val) {
A[i] += val;
}
void build() {
if (isBuilt) {
throw new AssertionError();
}
A = ArrayUtils.prefixSum(A);
isBuilt = true;
}
/**
* verified:https://atcoder.jp/contests/abc347/submissions/71277574
*/
public long getRangeSum(int leftInclusive, int rightExclusive) {
if (!isBuilt) {
build();
}
leftInclusive = Math.max(leftInclusive, 0);
rightExclusive = Math.min(rightExclusive, A.length);
if (rightExclusive <= leftInclusive) {
return 0;
}
return A[rightExclusive - 1] - (leftInclusive == 0 ? 0 : A[leftInclusive - 1]);
}
}
// --- Original Code ---
//
//
// import java.io.IOException;
// import java.util.ArrayList;
// import java.util.Arrays;
//
// import library.tools.FastScanner;
// import library.tools.MergeFiles;
// import library.tools.MyPrintWriter;
// import library.util.ArrayUtils;
// import library.util.Fp;
// import library.util.collections.LongArrayList;
// import library.util.fold.StaticPointAddRangeSum1D;
// import library.util.graph.ImplicitDigraph;
//
// public class Main {
// static MyPrintWriter pw = MyPrintWriter.getInstance();
// static FastScanner sc = FastScanner.getInstance();
//
// public static void main(String[] args) throws IOException {
// new Main().run();
// pw.flush();
// MergeFiles.export();
// }
//
//
// void run() {
// int N=sc.nextInt();
// int Q=sc.nextInt();
// int[]S=sc.nextInts(N);
// var ds=new StaticPointAddRangeSum1D(S);
// for (int QUERY = 0; QUERY < Q; QUERY++) {
// int L=sc.nextInt()-1;
// int R=sc.nextInt();
// int K=sc.nextInt();
// long ans=ds.getRangeSum(L, R);
// pw.println(ans);
// }
// }
//
// void tr(Object... objects) {
// System.out.println(Arrays.deepToString(objects));
// }
// }
//
37zigen