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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#537289 | #8338. Quad Kingdoms Chess | Phang | WA | 90ms | 16856kb | C++14 | 2.1kb | 2024-08-30 09:13:03 | 2024-08-30 09:13:04 |
Judging History
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'