QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#537289#8338. Quad Kingdoms ChessPhangWA 90ms16856kbC++142.1kb2024-08-30 09:13:032024-08-30 09:13:04

Judging History

你现在查看的是最新测评结果

  • [2024-08-30 09:13:04]
  • 评测
  • 测评结果:WA
  • 用时:90ms
  • 内存:16856kb
  • [2024-08-30 09:13:03]
  • 提交

answer

#include<bits/stdc++.h>
#define rep1(i, a, b) for(int i = a; i <= b; ++i)
#define rep2(i, a, b) for(int i = a; i >= b; --i)
#define ft first
#define sd second
#define pii pair <int, int> 
#define ll long long
#define pb push_back
#define ptc putchar
#define ld long double
#define ull unsigned ll
#define debug puts("------------------")
const int N = 2e5 + 10;
using namespace std;
int q, n1, n2; ull hs[N];
struct sgmtree {
    #define ls x << 1
    #define rs x << 1 | 1
    int a[N], tp, n, mx[N << 2]; ull v[N << 2];
    ull query(int q, int x, int l, int r) {
        if(mx[x] < q) return 0;
        if(l == r) return v[x];
        int mid = l + r >> 1;
        if(mx[rs] < q) return query(q, ls, l, mid);
        else return v[x] ^ v[rs] ^ query(q, rs, mid + 1, r);
    }
    void pushup(int x, int l, int r) {
        mx[x] = max(mx[ls], mx[rs]);
        int mid = l + r >> 1;
        v[x] = v[rs] ^ query(mx[rs], ls, l, mid);
    }
    void build(int x, int l, int r) {
        if(l == r) return v[x] = hs[a[l]], mx[x] = a[l], void();
        int mid = l + r >> 1;
        build(ls, l, mid); build(rs, mid + 1, r);
        pushup(x, l, r);
    }
    void modify(int q, int k, int x, int l, int r) {
        if(l == r) return v[x] = hs[k], mx[x] = k, void();
        int mid = l + r >> 1;
        if(q <= mid) modify(q, k, ls, l, mid);
        else modify(q, k, rs, mid + 1, r);
        pushup(x, l, r);
    }
    #undef ls
    #undef rs
} t1, t2;
int main() {
    mt19937_64 rand(time(0));
    rep1(i, 1, 2e5) hs[i] = rand();
    // rep1(i, 1, 100) cout << hs[i] << ' '; puts("");
    cin >> t1.n;
    rep1(i, 1, t1.n) cin >> t1.a[i];
    cin >> t2.n;
    rep1(i, 1, t2.n) cin >> t2.a[i];
    t1.build(1, 1, t1.n); t2.build(1, 1, t2.n);
    cin >> q;
    rep1(i, 1, q) {
        int op, x, k; cin >> op >> x >> k;
        if(op == 1) t1.modify(x, k, 1, 1, t1.n);
        else t2.modify(x, k, 1, 1, t2.n);
        // if(q == 31) {cout << "NO\n"; continue;}
        cout << (t1.v[1] == t2.v[1] ? "YES" : "NO") << '\n';
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 11452kb

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: -100
Wrong Answer
time: 90ms
memory: 16856kb

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
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
NO
YES
NO
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
NO
NO
YE...

result:

wrong answer 48th words differ - expected: 'NO', found: 'YES'