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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#236621 | #7522. Sequence Shift | zhaohaikun | WA | 1ms | 7700kb | C++14 | 1.5kb | 2023-11-04 09:06:01 | 2023-11-04 09:06:03 |
Judging History
answer
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops")
// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "[" << __LINE__ << "] "
#define SZ(x) (int) x.size() - 1
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> inline void chkmax(T& x, T y) { x = max(x, y); }
template <typename T> inline void chkmin(T& x, T y) { x = min(x, y); }
template <typename T> inline void read(T &x) {
x = 0; int f = 1; char c = getchar();
for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
x *= f;
}
const int N = 2e6 + 10;
int n, q, b[N], lst, aa[N];
pair <int, int> a[N];
set <pair <int, int>> s;
signed main() {
read(n), read(q);
F(i, 1, n) read(aa[i]), a[i].first = aa[i], a[i].second = i;
F(i, 1, n) read(b[i]), s.emplace(-b[i], i), chkmax(lst, aa[i] + b[i]);
sort(a + 1, a + n + 1);
F(i, 1, q) {
read(b[n + i]);
b[n + i] ^= lst;
s.erase(make_pair(-b[i], i));
s.emplace(b[n + i], n + i);
lst = 0;
F(j, 1, min(n, 20)) {
chkmax(lst, a[j].first + b[a[j].second + i]);
}
auto pos = s.begin();
F(j, 1, min(n, 20)) {
// debug << pos -> first << " " << pos -> second << endl;
chkmax(lst, -pos -> first + aa[pos -> second - i]);
pos++;
}
cout << lst << '\n';
}
return 0;
}
/* why?
*/
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 7700kb
input:
5 3 1 4 3 2 5 7 5 8 3 2 3 6 4
output:
13 16 25
result:
wrong answer 1st lines differ - expected: '11', found: '13'