QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#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
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";
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 8528kb
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: 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'