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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#348013#8338. Quad Kingdoms Chessucup-team2112#WA 80ms40480kbC++203.6kb2024-03-09 16:37:012024-03-09 16:37:03

Judging History

你现在查看的是最新测评结果

  • [2024-03-09 16:37:03]
  • 评测
  • 测评结果:WA
  • 用时:80ms
  • 内存:40480kb
  • [2024-03-09 16:37:01]
  • 提交

answer

#include <bits/stdc++.h>

using pii = std::pair<int, int>;
const int base1 = 13331;
const int base2 = 233;
const int mod1 = 1e9 + 7;
const int mod2 = 1e9 + 9;

pii operator + (const pii &a, const pii &b){
    return { (a.first + b.first) % mod1, (a.second + b.second) % mod2 };
}

pii operator - (const pii &a, const pii &b){
    return { (a.first - b.first + mod1) % mod1, (a.second - b.second + mod2) % mod2 };
}

pii operator * (const pii &a, const pii &b){
    return { (1LL * a.first * b.first) % mod1, (1LL * a.second * b.second) % mod2 };
}

pii get(const std::vector<pii> &h, int l, int r){
    return h[r] - h[l - 1];
}

const int maxn = 4e5 + 233;
pii pw[maxn];

struct Segment_Tree{
    pii h[maxn << 2];
    int mx[maxn << 2];
    int len[maxn << 2];
    #define ls o << 1
    #define rs o << 1 | 1

    std::pair<int, pii> merge(int o, int l, int r, int v) {
        if (mx[o] < v) return make_pair(0, pii(0, 0));
        if (l == r) {
            return {len[o], h[o]}; 
        }
        int mid = (l + r) >> 1;
        if (mx[rs] < v) {
            auto cc = merge(ls, l, mid, v);
            return cc;
        }
        auto [a, b] = merge(rs, mid + 1, r, v);
        
        // std::cerr << "!!: " << l << " " << r << " " << mid << " " << len[ls] << "\n";
        return {len[o] - len[rs] + a, (h[o] - h[rs]) * pw[a] + b};
    }

    void up(int o, int l, int r) {
        mx[o] = std::max(mx[ls], mx[rs]);
        int mid = (l + r) >> 1;
        auto [a, b] = merge(ls, l, mid, mx[rs]);
        h[o] = h[rs] + b * pw[len[rs]];
        len[o] = len[rs] + a;
        // std::cerr << o << " " << l << " " << r << " " << a << "\n"; 
    }

    void modify(int o, int tl, int tr, int l, int r, int v) {
        if (l > tr || r < tl) return;
        if (l <= tl && tr <= r) {
            h[o] = pii(v, v);
            mx[o] = v;
            len[o] = 1;
            return;
        }
        int mid = (tl + tr) >> 1;
        modify(ls, tl, mid, l, r, v);
        modify(rs, mid + 1, tr, l, r, v);
        up(o, tl, tr);
    }

    // pii query(int o, int tl, int tr, int l, int r) {
    //     if (l > tr || r < tl) return pii(0, 0);
    //     if (l <= tl && tr <= r) {
           
    //         return h[o];
    //     }
    //     int mid = (tl + tr) >> 1;
    //     auto res = merge(ls, tl, mid, mx[rs]) + query(rs, mid + 1, tr, l, r); 
    //     return res;
    // }
}A, B;

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    pw[0] = pii(1, 1);
    for (int i = 1; i < maxn; i++) {
        pw[i] = pw[i - 1] * pii(base1, base2);
    }
    int n, m;
    std::cin >> n;
    for (int i = 1; i <= n; i += 1) {
        int x;
        std::cin >> x;
        // std::cerr << "!: " << i << "\n";
        A.modify(1, 1, n, i, i, x);
    }
    std::cin >> m;
    for (int i = 1; i <= m; i += 1) {
        int x;
        std::cin >> x;
        // std::cerr << "!: " << i << "\n";
        B.modify(1, 1, m, i, i, x);
    }
    // std::cout << (A.h[1] == B.h[1] ? "YES" : "NO") << std::endl;
    // auto cc1 = A.h[1];
    // auto cc2 = B.h[1];
    // std::cout << cc1.first << " " << cc1.second << " " << A.len[1] << std::endl;
    // std::cout << cc2.first << " " << cc2.second << " " << B.len[1] << std::endl;
    int q;
    std::cin >> q;
    while (q--) {
        int o, x, y;
        std::cin >> o >> x >> y;
        if (o == 1) {
            A.modify(1, 1, n, x, x, y);
        }
        else {
            B.modify(1, 1, m, x, x, y);
        }
        std::cout << (A.h[1] == B.h[1] ? "YES" : "NO") << std::endl;
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 40472kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: 0
Accepted
time: 51ms
memory: 40428kb

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: 0
Accepted
time: 80ms
memory: 38360kb

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
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
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
...

result:

ok 200000 tokens

Test #4:

score: -100
Wrong Answer
time: 76ms
memory: 40480kb

input:

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

output:

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
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
...

result:

wrong answer 27th words differ - expected: 'YES', found: 'NO'