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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
#522515	#5000. Balanced Seesaw Array	yzkkai	WA	306ms	31728kb	C++20	4.0kb	2024-08-17 00:47:46	2024-08-17 00:47:47

Judging History

你现在查看的是最新测评结果

[2024-08-17 00:47:47]
评测

测评结果：WA
用时：306ms
内存：31728kb

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[2024-08-17 00:47:46]
提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using LL = long long;
using pii = pair<int, int>;
using pll = pair<__int128, __int128>;
#define sz(x) signed(size(x))

struct segTree {
    int l, r, mid;
    __int128 sum1 = 0, sum2 = 0, len = 0, tot = 0, tag1 = 1e18, tag2 = 1e18;
    segTree *lson = 0, *rson = 0;

    segTree(int _l, int _r) : l(_l), r(_r), mid((l + r) >> 1) {}

    void pull() {
        sum1 = lson->sum1 + rson->sum1;
        sum2 = lson->sum2 + rson->sum2;
        return;
    }

    void push() {
        if (tag2 != 1e18) {
            for (segTree* son : {lson, rson}) {
                son->sum1 = tag2 * son->len;
                son->sum2 = tag2 * son->tot;
                son->tag1 = 1e18;
                son->tag2 = tag2;
            }
        }

        if (tag1 != 1e18) {
            for (segTree* son : {lson, rson}) {
                son->sum1 += tag1 * son->len;
                son->sum2 += tag1 * son->tot; 
                if (son->tag1 == 1e18) son->tag1 = 0;
                son->tag1 += tag1;
            }
        }

        tag1 = 1e18;
        tag2 = 1e18;

        return;
    }

    void build(const vector<int>& a) {
        if (r - l == 1) {
            sum1 = a[l];
            sum2 = 1LL * a[l] * l;
            len = 1, tot = l;
            return;
        }

        lson = new segTree(l, mid);
        rson = new segTree(mid, r);
        lson->build(a);
        rson->build(a);
        pull();
        len = lson->len + rson->len;
        tot = lson->tot + rson->tot;
        return;
    }

    void add(int ql, int qr, __int128 val) {
        if (l == ql && r == qr) {
            sum1 += val * len;
            sum2 += val * tot; 
            if (tag1 == 1e18) tag1 = 0;
            tag1 += val;
            return;
        }

        push();

        if (qr <= mid)
            lson->add(ql, qr, val);
        else if (mid <= ql)
            rson->add(ql, qr, val);
        else {
            lson->add(ql, mid, val);
            rson->add(mid, qr, val);
        }

        pull();
        return;
    }

    void modify(int ql, int qr, __int128 val) {
        if (l == ql && r == qr) {
            sum1 = val * len;
            sum2 = val * tot; 
            tag1 = 1e18;
            tag2 = val;
            return;
        }

        push();

        if (qr <= mid)
            lson->modify(ql, qr, val);
        else if (mid <= ql)
            rson->modify(ql, qr, val);
        else {
            lson->modify(ql, mid, val);
            rson->modify(mid, qr, val);
        }

        pull();
        return;
    }

    pll query(int ql, int qr) {
        if (l == ql && r == qr) 
            return {sum1, sum2};

        if (qr <= mid)
            return lson->query(ql, qr);
        else if (mid <= ql)
            return rson->query(ql, qr);
        else {
            auto [x1, y1] = lson->query(ql, mid);
            auto [x2, y2] = rson->query(mid, qr);
            return {x1 + x2, y1 + y2};
        }
    }
};

inline void solve() {
    int n, q;
    cin >> n >> q;

    vector<int> a(n + 1);
    for (int i = 1; i <= n; ++i)
        cin >> a[i];

    segTree *root = new segTree(1, n + 1);
    root->build(a);

    while (q--) {
        int op, ql, qr, x;
        cin >> op >> ql >> qr;

        if (op == 1) {
            cin >> x;
            root->add(ql, qr + 1, x);
        }
        else if (op == 2) {
            cin >> x;
            root->modify(ql, qr + 1, x);
        }
        else {
            auto [sum1, sum2] = root->query(ql, qr + 1);
            sum2 -= sum1 * (ql - 1);
            if (sum1 == sum2 || (sum1 != 0 && sum2 > sum1 && sum2 % sum1 == 0 && sum2 / sum1 <= qr - ql + 1))
                cout << "Yes\n";
            else
                cout << "No\n";
        }
    }

    return;
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    while (t--)
        solve();
    return 0;
}

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3660kb

input:

output:

Yes
No
Yes
Yes

result:

ok 4 lines

Test #2:

score: -100

Wrong Answer

time: 306ms

memory: 31728kb

input:

100000 451163
-18 609 -793 393 375 313 -55 -892 -446 928 -207 -390 729 -383 27 318 -400 31 -661 202 -978 212 238 -368 351 -613 -23 400 809 1000 -431 -174 -103 886 73 -150 25 820 -689 972 777 794 -36 -231 -966 632 -418 -288 -476 725 -713 -379 896 -19 -883 338 -797 937 -557 -809 -241 -539 704 44 576 -...

output:

No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No...

result:

wrong answer 9th lines differ - expected: 'Yes', found: 'No'