QOJ.ac

QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#694345	#8338. Quad Kingdoms Chess	snow_mikumiku	WA	21ms	8536kb	C++14	3.2kb	2024-10-31 17:45:12	2024-10-31 17:45:23

Judging History

你现在查看的是最新测评结果

[2024-10-31 17:45:23]
评测

测评结果：WA
用时：21ms
内存：8536kb

查看

[2024-10-31 17:45:12]
提交

answer

#include <bits/stdc++.h>
using namespace std;
using LL = long long;
using UL = unsigned long long;
const UL mi = 1e9 + 7;
const int N = 1e5 + 10;

UL m995[N], a[N], b[N];
struct tree {
    UL max, hs;
}A[N << 2], B[N << 2];

UL ask(int p, UL mx, int ty, int l, int r) 
{
    int mid = l + r >> 1;
    if(!ty) {
        if(A[p].max < mx) return 0;
        if(l == r) return A[p].hs;
        if(A[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty, mid + 1, r);
        else 
            return A[p].hs - A[p * 2].hs + ask(p * 2, mx, ty, l, mid);
    }

    else {
        if(B[p].max < mx) return 0;
        if(l == r) return B[p].hs;
        if(B[p * 2].max < mx) 
            return ask(p * 2 + 1, mx, ty, mid + 1, r);
        else 
            return B[p].hs - B[p * 2].hs + ask(p * 2, mx, ty, l, mid);
    }
}

void build(int p, int l, int r, int ty)
{
    if(!ty) {
        if(l == r) {
            A[p].hs = m995[a[l]] * a[l];
            A[p].max = a[l];
            return;
        }
        int mid = l + r >> 1;
        build(p * 2, l, mid, 0);
        build(p * 2 + 1, mid + 1, r, 0);

        A[p].max = max(A[p * 2].max, A[p * 2 + 1].max);
        A[p].hs = A[p * 2].hs + ask(p * 2 + 1, A[p * 2].max, 1, mid + 1, r);
    }

    else {
        if(l == r) {
            B[p].hs = m995[b[l]] * b[l];
            B[p].max = b[l];
            return;
        }
        int mid = l + r >> 1;
        build(p * 2, l, mid, 1);
        build(p * 2 + 1, mid + 1, r, 1);

        B[p].max = max(B[p * 2].max, B[p * 2 + 1].max);
        B[p].hs = B[p * 2].hs + ask(p * 2 + 1, B[p * 2].max, 1, mid + 1, r);
    }
}

void change(int x, int p, UL To, int ty, int l, int r)
{
    if(!ty) {
        if(l == r) {
            A[p].hs = m995[To] * To;
            A[p].max = To;
            return;
        }
        int mid = l + r >> 1;
        if(x <= mid) change(x, p * 2, To, ty, l, mid);
        else change(x, p * 2 + 1, To, ty, mid + 1, r);

        A[p].max = max(A[p * 2].max, A[p * 2 + 1].max);
        A[p].hs = A[p * 2].hs + ask(p * 2 + 1, A[p * 2].max, 1, mid + 1, r);
    }

    else {
        if(l == r) {
            B[p].hs = m995[To] * To;
            B[p].max = To;
            return;
        }
        int mid = l + r >> 1;
        if(x <= mid) change(x, p * 2, To, ty, l, mid);
        else change(x, p * 2 + 1, To, ty, mid + 1, r);

        B[p].max = max(B[p * 2].max, B[p * 2 + 1].max);
        B[p].hs = B[p * 2].hs + ask(p * 2 + 1, B[p * 2].max, 1, mid + 1, r);
    }
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    m995[0] = 1;
    for(int i = 1; i < N; i++) m995[i] = m995[i - 1] * mi;

    int n, m, q;
    cin >> n;
    for(int i = n; i >= 1; i--) cin >> a[i];
    cin >> m;
    for(int i = m; i >= 1; i--) cin >> b[i];
    build(1, 1, n, 0);
    build(1, 1, m, 1);

    int op, x, y;
    cin >> q;
    for(int i = 1; i <= q; i++) {
        cin >> op >> x >> y;
        if(op == 1) x = n - x + 1, change(x, 1, y, 0, 1, n);
        if(op == 2) x = m - x + 1, change(x, 1, y, 1, 1, m);
        if(B[1].hs == A[1].hs) cout << "YES\n";
        else cout << "NO\n"; 
    }
}

源文件, 语言: C++14

詳細信息

Test #1:

score: 100

Accepted

time: 1ms

memory: 8528kb

input:

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: 0

Accepted

time: 21ms

memory: 8536kb

input:

1
2
6
2 1 1 1 1 1
200000
2 6 2
1 1 1
1 1 1
1 1 2
2 1 1
1 1 2
1 1 1
2 4 1
2 1 2
1 1 1
1 1 2
2 5 1
1 1 1
1 1 2
1 1 1
2 6 1
1 1 2
1 1 2
1 1 2
2 3 1
1 1 1
2 1 1
2 6 2
1 1 2
2 4 1
1 1 2
2 6 1
1 1 2
1 1 1
2 5 2
2 6 2
1 1 1
2 4 2
2 5 2
2 6 2
1 1 1
2 5 1
2 6 2
1 1 2
1 1 1
1 1 1
2 4 1
1 1 2
1 1 2
1 1 2
2 3 2...

output:

NO
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
N...

result:

ok 200000 tokens

Test #3:

score: -100

Wrong Answer

time: 20ms

memory: 8468kb

input:

6
2 1 1 2 1 2
1
1
200000
2 1 1
1 1 2
1 1 1
2 1 2
2 1 1
2 1 1
2 1 2
2 1 2
1 1 2
1 3 1
1 6 2
1 5 2
1 4 2
1 3 1
2 1 2
1 4 2
1 4 2
2 1 2
2 1 2
1 3 1
1 6 1
1 1 2
2 1 1
1 6 1
1 3 1
1 5 2
1 6 2
1 5 2
2 1 2
1 2 1
1 5 2
2 1 1
2 1 1
1 6 1
2 1 2
2 1 1
1 3 2
2 1 1
1 6 1
1 4 2
1 2 1
1 1 1
2 1 1
1 2 1
1 6 2
1 6 2...

output:

NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
NO
YES
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
N...

result:

wrong answer 4th words differ - expected: 'NO', found: 'YES'