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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#571807 | #9313. Make Max | skade | WA | 936ms | 103236kb | Java8 | 5.6kb | 2024-09-18 08:58:00 | 2024-09-18 08:58:00 |
Judging History
answer
import java.io.*;
import java.math.*;
import java.sql.*;
import java.util.*;
public class Main
{
static FastScanner sc = new FastScanner(System.in);// 快读
static PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));// 快速输出
static StringTokenizer st;
public static void main(String[] args)
{
//由此输入:
int T = sc.nextInt();
while (T-- > 0)
{
int n = sc.nextInt();
int top;
int sum = 0;
Stack<Integer> stack = new Stack<>();
int[] sz = new int[n + 10];
int[] le = new int[n + 10];
int[] re = new int[n + 10];
for (int i = 1; i <= n; i++) {
sz[i] = sc.nextInt();
}
for (int i = 1; i <= n; i++) {
if (stack.isEmpty() || sz[i] < sz[stack.peek()]) stack.push(i);
else {
while (!stack.isEmpty() && sz[stack.peek()] <= sz[i]) {
re[stack.peek()] = i;
stack.pop();
}
stack.push(i);
}
}
while (!stack.isEmpty()) {
re[stack.peek()] = n + 1;
stack.pop();
}
for (int i = n; i >= 1; i--) {
if (stack.isEmpty() || sz[i] < sz[stack.peek()]) stack.push(i);
else {
while (!stack.isEmpty() && sz[stack.peek()] <= sz[i]) {
le[stack.peek()] = i;
stack.pop();
}
stack.push(i);
}
}
while (!stack.isEmpty()) {
le[stack.peek()] = 0;
stack.pop();
}
for (int i = 1; i <= n; i++) {
if (sz[le[i]] != sz[i]) sum += re[i] - le[i] - 1;
else sum += re[i] - i;
}
out.println(sum - n);
}
out.flush();
out.close();
}
static class FastScanner// 用于快速读入大量数据
{
static BufferedReader br;
static StringTokenizer st;
public FastScanner(InputStream in)
{
br = new BufferedReader(new InputStreamReader(in), 16384);
eat("");
}
public static void eat(String s)
{
st = new StringTokenizer(s);
}
public static String nextLine()
{
try
{
return br.readLine();
}
catch (IOException e)
{
return null;
}
}
public static boolean hasNext()
{
while (!st.hasMoreTokens())
{
String s = nextLine();
if (s == null) return false;
eat(s);
}
return true;
}
public static String next()
{
hasNext();
return st.nextToken();
}
public static int nextInt()
{
return Integer.parseInt(next());
}
public static long nextLong()
{
return Long.parseLong(next());
}
public static double nextDouble()
{
return Double.parseDouble(next());
}
public BigInteger nextBigInteger()
{
return new BigInteger(next());
}
public BigDecimal nextBigDecimal()
{
return new BigDecimal(next());
}
}
public static class SegmentTree
{
private int[] tree;
private int[] arr;
private int n;
public SegmentTree(int[] arr)
{
this.arr = arr;
n = arr.length;
tree = new int[4 * n];
build(1, 0, n - 1);
}
private void build(int node, int start, int end)
{
if (start == end) {
tree[node] = arr[start];
return;
}
int mid = (start + end) / 2;
build(2 * node, start, mid);
build(2 * node + 1, mid + 1, end);
tree[node] = Math.max(tree[2 * node], tree[2 * node + 1]);
}
public int query(int start, int end) {
return query(1, 0, n - 1, start, end);
}
private int query(int node, int start, int end, int l, int r) {
if (l > end || r < start)
{
return 0;
}
if (l <= start && r >= end)
{
return tree[node];
}
int mid = (start + end) / 2;
int leftSum = query(2 * node, start, mid, l, r);
int rightSum = query(2 * node + 1, mid + 1, end, l, r);
return Math.max(leftSum, rightSum);
}
public void update(int index, int value) {
update(1, 0, n - 1, index, value);
}
private void update(int node, int start, int end, int index, int value) {
if (index < start || index > end) {
return;
}
if (start == end) {
tree[node] = value;
return;
}
int mid = (start + end) / 2;
update(2 * node, start, mid, index, value);
update(2 * node + 1, mid + 1, end, index, value);
tree[node] = Math.max(tree[2 * node], tree[2 * node + 1]);
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 48ms
memory: 37056kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 3 3
result:
ok 4 number(s): "1 0 3 3"
Test #2:
score: 0
Accepted
time: 679ms
memory: 103236kb
input:
2 198018 875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...
output:
4084978 4130372
result:
ok 2 number(s): "4084978 4130372"
Test #3:
score: 0
Accepted
time: 828ms
memory: 91644kb
input:
2 195768 3086 1582 7854 5577 5243 2734 8054 4805 5686 7065 5555 2410 6240 7589 2889 3745 8094 9147 9438 1252 5497 5786 6655 4437 3933 2579 5722 9512 3117 1742 5362 2068 1853 4069 9231 1126 3991 420 2571 5517 3063 7279 8085 6111 5503 5980 50 6003 244 9684 6343 6517 1598 5223 5520 982 3932 1093 1149 7...
output:
3061429 2997931
result:
ok 2 number(s): "3061429 2997931"
Test #4:
score: -100
Wrong Answer
time: 936ms
memory: 88132kb
input:
2 200000 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99...
output:
1410065408 1409965411
result:
wrong answer 1st numbers differ - expected: '10000000000', found: '1410065408'