結果
| 問題 |
No.961 Vibrant Fillumination
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-12-08 01:53:48 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,036 ms / 5,000 ms |
| コード長 | 5,709 bytes |
| コンパイル時間 | 1,254 ms |
| コンパイル使用メモリ | 85,008 KB |
| 実行使用メモリ | 270,788 KB |
| 最終ジャッジ日時 | 2025-01-02 17:45:33 |
| 合計ジャッジ時間 | 43,366 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 48 |
ソースコード
#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cmath>
#include <cstring>
const int MAX_N = 50003;
const int MAX_Q = 50003;
const int WIDTH = 600;
const int LEN = 2 * MAX_N / WIDTH + 1;
struct info {
int lower, upper, color;
info(){}
info(const int _lower, const int _upper, const int _color)
: lower(_lower), upper(_upper), color(_color){}
};
info xborder[2 * MAX_N], yborder[2 * MAX_N];
unsigned long long h[MAX_N], memo[LEN][LEN];
unsigned short kp[2 * WIDTH], sz[LEN][LEN], cnt[LEN][LEN][2 * WIDTH], color_table[LEN][LEN][2 * WIDTH];
int border_color[LEN][LEN][2 * WIDTH];
int X[2 * MAX_N], Y[2 * MAX_N], C[MAX_N], used[MAX_N];
int N, Q;
void transform_rectangle(){
std::vector<std::vector<int> > tmp(N);
std::vector<int> idX(2 * N, 0), idY(2 * N, 0);
for(int i = 0; i < N; ++i){
int a, b, c, d, e;
std::cin >> a >> b >> c >> d >> e;
X[2 * i] = a, X[2 * i + 1] = c, Y[2 * i] = b, Y[2 * i + 1] = d;
tmp[i] = {a, b, c, d, e};
}
std::sort(X, X + 2 * N), std::sort(Y, Y + 2 * N);
for(const std::vector<int>& in : tmp){
const int a = std::lower_bound(X, X + 2 * N, in[0]) - X + idX[in[0]]++;
const int b = std::lower_bound(Y, Y + 2 * N, in[1]) - Y + idY[in[1]]++;
const int c = std::lower_bound(X, X + 2 * N, in[2]) - X + idX[in[2]]++;
const int d = std::lower_bound(Y, Y + 2 * N, in[3]) - Y + idY[in[3]]++;
const int e = in[4];
xborder[a] = {b, d, e}, xborder[c] = {b, d, -e}, yborder[b] = {a, c, e}, yborder[d] = {a, c, -e};
}
}
void pre_calc(){
unsigned long long cur_hash = 0;
int curx = -1, cury = -1;
const int length = (2 * N - 2) / WIDTH + 1;
for(int i = 0; i < length; ++i){
for(int j = 0; j < length; ++j){
std::vector<int> color;
auto ct = color_table[i][j];
const int stx = i * WIDTH + 1, sty = j * WIDTH + 1;
for(int curx = stx; curx < std::min((i + 1) * WIDTH, 2 * N - 1); ++curx){
const int c = xborder[curx].color;
if(c > 0){
if(!used[c]){
color.push_back(c), ct[used[c] = (int)color.size()] = c;
}
border_color[i][j][curx - stx] = used[c];
}else{
if(!used[-c]){
color.push_back(-c), ct[used[-c] = (int)color.size()] = -c;
}
border_color[i][j][curx - stx] = -used[-c];
}
}
for(int cury = sty; cury < std::min((j + 1) * WIDTH, 2 * N - 1); ++cury){
const int c = yborder[cury].color;
if(c > 0){
if(!used[c]){
color.push_back(c), ct[used[c] = (int)color.size()] = c;
}
border_color[i][j][cury + WIDTH - sty] = used[c];
}else{
if(!used[-c]){
color.push_back(-c), ct[used[-c] = (int)color.size()] = -c;
}
border_color[i][j][cury + WIDTH - sty] = -used[-c];
}
}
sz[i][j] = (int)color.size();
for(const int c : color) used[c] = 0;
}
}
for(int i = 0; i < length; ++i){
memset(C, 0, sizeof(C)), cur_hash = 0, curx = i * WIDTH, cury = -1;
for(int j = 0; j < length; ++j){
while(cury < j * WIDTH){
++cury;
if(yborder[cury].lower <= curx && curx < yborder[cury].upper){
const int c = yborder[cury].color;
if(c > 0){
if(++C[c] == 1) cur_hash ^= h[c];
}else{
if(--C[-c] == 0) cur_hash ^= h[-c];
}
}
}
memo[i][j] = cur_hash;
for(int k = 1; k <= sz[i][j]; ++k){
cnt[i][j][k] = C[color_table[i][j][k]];
}
}
}
}
unsigned long long query(const int p, const int q){
const int x = std::upper_bound(X, X + 2 * N, p) - X - 1;
const int y = std::upper_bound(Y, Y + 2 * N, q) - Y - 1;
if(x < 0 || x >= 2 * N - 1 || y < 0 || y >= 2 * N - 1) return 0ULL;
const int zx = x / WIDTH, zy = y / WIDTH;
unsigned long long cur_hash = memo[zx][zy];
for(int i = 1; i <= sz[zx][zy]; ++i) kp[i] = cnt[zx][zy][i];
auto ct = color_table[zx][zy];
auto bc = border_color[zx][zy];
const int stx = zx * WIDTH + 1, sty = zy * WIDTH + 1;
int curx = stx - 1, cury = sty - 1;
while(curx < x){
++curx;
if(xborder[curx].lower <= cury && cury < xborder[curx].upper){
const int c = bc[curx - stx];
if(c > 0){
if(++kp[c] == 1) cur_hash ^= h[ct[c]];
}else{
if(--kp[-c] == 0) cur_hash ^= h[ct[-c]];
}
}
}
while(cury < y){
++cury;
if(yborder[cury].lower <= curx && curx < yborder[cury].upper){
const int c = bc[cury + WIDTH - sty];
if(c > 0){
if(++kp[c] == 1) cur_hash ^= h[ct[c]];
}else{
if(--kp[-c] == 0) cur_hash ^= h[ct[-c]];
}
}
}
return cur_hash;
}
int main()
{
std::cin.tie(0);
std::ios::sync_with_stdio(false);
std::cin >> N;
for(int i = 1; i <= N; ++i){
std::cin >> h[i];
}
transform_rectangle();
std::cin >> Q;
pre_calc();
for(int i = 0; i < Q; ++i){
int p, q;
std::cin >> p >> q;
std::cout << query(p, q) << "\n";
}
return 0;
}