結果

問題 No.961 Vibrant Fillumination
ユーザー Pachicobue
提出日時 2019-10-21 15:48:01
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 3,382 bytes
コンパイル時間 5,437 ms
コンパイル使用メモリ 212,208 KB
最終ジャッジ日時 2025-01-08 00:24:37
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1 WA * 1
other AC * 1 MLE * 47
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using ull = unsigned long long;
using usize = std::size_t;
int main()
{
std::cin.tie(nullptr), std::ios::sync_with_stdio(false);
usize N;
std::cin >> N;
std::vector<ull> h(N + 1, 0ULL);
for (usize i = 1; i <= N; i++) { std::cin >> h[i]; }
const usize L = 2 * N;
std::vector<usize> a(N + 1, 0), b(N + 1, 0), c(N + 1, L), d(N + 1, L), e(N + 1, 0);
std::vector<int> lr(L + 1, 0), du(L + 1, 0);
for (usize i = 1; i <= N; i++) {
std::cin >> a[i] >> b[i] >> c[i] >> d[i] >> e[i];
lr[++a[i]] = du[++b[i]] = int(i), lr[++c[i]] = du[++d[i]] = -int(i);
}
constexpr usize BS = 2000;
const usize BN = (N + BS - 1) / BS;
std::vector<std::vector<ull>> hashs(BN, std::vector<ull>(BN, 0ULL));
std::vector<std::vector<std::vector<usize>>> cs(BN, std::vector<std::vector<usize>>(BN));
std::vector<std::vector<std::vector<usize>>> cnt(BN, std::vector<std::vector<usize>>(BN));
for (usize x = 0; x < N; x++) {
for (usize y = 0; y < N; y++) {
const int xind = lr[x], yind = du[y];
if (xind != 0) { cs[x / BS][y / BS].push_back(e[(usize)std::abs(xind)]); }
if (yind != 0) { cs[x / BS][y / BS].push_back(e[(usize)std::abs(yind)]); }
}
}
for (usize i = 0; i < BN; i++) {
for (usize j = 0; j < BN; j++) {
std::sort(cs[i][j].begin(), cs[i][j].end());
cs[i][j].erase(std::unique(cs[i][j].begin(), cs[i][j].end()), cs[i][j].end());
}
}
std::vector<usize> color_cnt(N + 1, 0);
ull hash = 0;
auto von = [&](const usize x, const usize y) { return b[(usize)std::abs(lr[x])] <= y and y < d[(usize)std::abs(lr[x])]; };
auto hon = [&](const usize x, const usize y) { return a[(usize)std::abs(du[y])] <= x and x < c[(usize)std::abs(du[y])]; };
auto add_film = [&](const usize i) {
const usize c = e[i];
if (color_cnt[c]++ == 0) { hash ^= h[c]; }
};
auto del_film = [&](const usize i) {
const usize c = e[i];
if (--color_cnt[c] == 0) { hash ^= h[c]; }
};
auto add_del_film = [&](const int i) {
if (i > 0) { add_film(usize(i)); }
if (i < 0) { del_film(usize(-i)); }
};
for (usize i = 0; i < BN; i++) {
hash = 0, std::fill(color_cnt.begin(), color_cnt.end(), 0);
usize x = i * BS, y = 0;
for (usize j = 0; j < BN; j++) {
const usize ny = std::min(N, (j + 1) * BS);
for (; y < ny; y++) {
if (hon(x, y + 1)) { add_del_film(du[y + 1]); }
}
hashs[i][j] = hash;
for (const usize ci : cs[i][j]) { cnt[i][j].push_back(color_cnt[ci]); }
}
}
usize Q;
std::cin >> Q;
for (usize i = 0, p, q; i < Q; i++) {
std::cin >> p >> q, p++, q++;
const usize xi = p / BS, yi = q / BS;
usize x = xi * BS, y = yi * BS;
hash = hashs[xi][yi];
for (const usize ci : cs[xi][yi]) { color_cnt[ci] = cnt[xi][yi][(usize)(std::lower_bound(cs[xi][yi].begin(), cs[xi][yi].end(), ci) -
            cs[xi][yi].begin())]; }
for (; x < p; x++) {
if (von(x + 1, y)) { add_del_film(lr[x + 1]); }
}
for (; y < q; y++) {
if (hon(x, y + 1)) { add_del_film(du[y + 1]); }
}
std::cout << hash << "\n";
}
return 0;
}
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