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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#266434 | #7108. Couleur | UtopianZ# | AC ✓ | 2460ms | 38468kb | C++14 | 3.0kb | 2023-11-26 14:13:14 | 2023-11-26 14:13:14 |
Judging History
answer
#include <set>
#include <cmath>
#include <queue>
#include <cstdio>
#include <vector>
#include <cstring>
#include <iostream>
#include <algorithm>
#define ll long long
#define ull unsigned long long
#define pii std :: pair<int, int>
#define pb push_back
#define fi first
#define se second
#define lep(i, l, r) for(int i = l; i <= r; i++)
#define rep(i, r, l) for(int i = r; i >= l; i--)
#define mset(s, t) memset(s, t, sizeof(s))
#define mcpy(s, t) memcpy(s, t, sizeof(t))
template <typename T1, typename T2> void Min(T1 &x, T2 y) {
if (x > y) x = y;
}
template <typename T1, typename T2> void Max(T1 &x, T2 y) {
if (x < y) x = y;
}
int read() {
int x = 0, f = 0;
char ch = getchar();
while (!isdigit(ch)) f |= ch == '-', ch = getchar();
while (isdigit(ch)) x = 10 * x + ch - '0', ch = getchar();
return f ? -x : x;
}
template <typename T> void print(T x) {
if (x < 0) putchar('-'), x = -x;
if (x >= 10) print(x / 10);
putchar(x % 10 + '0');
}
template <typename T> void Print(T x, char let) {
print(x), putchar(let);
}
const int N = 2e5 + 5;
const int M = N * 20;
int n;
int a[N];
int tot;
int rt[N], s[M], ls[M], rs[M];
void Add(int &x, int l, int r, int p) {
tot++, ls[tot] = ls[x], rs[tot] = rs[x], s[tot] = s[x] + 1, x = tot;
if (l == r) return;
int mid = (l + r) >> 1;
if (p <= mid) Add(ls[x], l, mid, p); else Add(rs[x], mid + 1, r, p);
}
int Query(int x, int l, int r, int ql, int qr) {
if (l > qr || r < ql) return 0;
if (ql <= l && r <= qr) return s[x];
int mid = (l + r) >> 1;
return Query(ls[x], l, mid, ql, qr) + Query(rs[x], mid + 1, r, ql, qr);
}
ll sp[N];
ll G(int l, int r) {
ll ans = 0;
for (int i = l + 1; i <= r; i++)
ans += Query(rt[i - 1], 0, n + 1, a[i] + 1, n + 1) -
Query(rt[l - 1], 0, n + 1, a[i] + 1, n + 1);
return ans;
}
void Solve() {
n = read();
for (int i = 1; i <= n; i++) a[i] = read(), rt[i] = rt[i - 1], Add(rt[i], 0, n + 1, a[i]);
std :: set <int> S;
std :: multiset <ll> ans;
// puts("?");
S.insert(0), S.insert(n + 1), sp[1] = G(1, n), ans.insert(sp[1]);
for (int i = 1; i <= n; i++) {
ll lst = *--ans.end();
printf("%lld ", lst);
if (i == n) puts("");
// int v = read() ^ lst;
ll v;
scanf("%lld", &v), v ^= lst;
auto p = S.lower_bound(v);
int r = *p - 1, l = *--p + 1;
S.insert(v), ans.erase(ans.lower_bound(sp[l]));
ll cur = sp[l];
if (v - l > r - v) {
for (int j = r; j >= v; j--)
cur -= Query(rt[j - 1], 0, n + 1, a[j] + 1, n + 1) -
Query(rt[l - 1], 0, n + 1, a[j] + 1, n + 1);
sp[l] = cur, sp[v + 1] = G(v + 1, r);
}
else {
for (int j = l; j <= v; j++) {
cur -= Query(rt[r], 0, n + 1, 0, a[j] - 1) -
Query(rt[j], 0, n + 1, 0, a[j] - 1);
}
sp[l] = G(l, v - 1), sp[v + 1] = cur;
}
ans.insert(sp[l]), ans.insert(sp[v + 1]);
}
for (int i = 1; i <= tot; i++) ls[i] = rs[i] = s[i] = 0;
tot = 0;
}
int main() {
//freopen(".in", "r", stdin);
//freopen(".out", "w", stdout);
int T = read();
while (T--) Solve();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3700kb
input:
3 5 4 3 1 1 1 5 4 5 3 1 10 9 7 1 4 7 8 5 7 4 8 21 8 15 5 9 2 4 5 10 6 15 4 8 8 1 12 1 10 14 7 14 2 9 13 10 3 37 19 23 15 7 2 10 15 2 13 4 5 8 7 10
output:
7 0 0 0 0 20 11 7 2 0 0 0 0 0 0 42 31 21 14 14 4 1 1 1 0 0 0 0 0 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 2460ms
memory: 38468kb
input:
11116 10 10 5 10 3 6 4 8 5 9 8 31 27 24 11 12 3 0 2 3 1 10 8 2 7 2 8 10 1 10 9 10 6 5 2 13 2 1 0 1 3 1 10 7 10 7 6 1 3 10 6 7 9 21 18 10 1 6 5 4 8 9 10 10 2 10 4 8 8 5 7 2 6 7 20 10 9 1 15 0 4 2 9 7 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 10 1 2 3 4 5 6 7 8 9 10 6 3 5 2 7 10 9 1 4 8 10 1 10 1 3...
output:
21 18 16 12 10 6 4 1 1 0 12 12 10 10 4 4 4 2 1 0 20 16 9 5 3 3 3 0 0 0 22 14 8 8 5 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 12 7 4 4 2 2 1 0 0 20 18 8 3 1 1 0 0 0 0 45 21 21 10 3 3 3 0 0 0 17 11 8 2 1 1 1 0 0 0 13 4 1 0 0 0 0 0 0 0 29 27 22 15 9 7 4 3 1 0 26 16 9 2 1 1 1 1 1 ...
result:
ok 11116 lines
Extra Test:
score: 0
Extra Test Passed