結果
| 問題 |
No.961 Vibrant Fillumination
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-12-09 04:28:55 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 784 ms / 5,000 ms |
| コード長 | 4,897 bytes |
| コンパイル時間 | 740 ms |
| コンパイル使用メモリ | 80,216 KB |
| 実行使用メモリ | 119,704 KB |
| 最終ジャッジ日時 | 2024-09-18 20:16:05 |
| 合計ジャッジ時間 | 28,863 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| 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 <cstring>
#include <array>
const int MAX_N = 50003;
const int MAX_Q = 50003;
const int WIDTH = 800;
const int MAX_BLOCK = 2 * MAX_N / WIDTH + 1;
struct event {
int lower, upper, color;
event(){}
event(const int _lower, const int _upper, const int _color)
: lower(_lower), upper(_upper), color(_color){}
};
event xborder[2 * MAX_N], yborder[2 * MAX_N];
unsigned long long h[MAX_N], memo[MAX_BLOCK][MAX_BLOCK];
unsigned short cnt[MAX_BLOCK][MAX_BLOCK][2 * WIDTH], kp[2 * WIDTH], trans[MAX_N];
std::vector<unsigned short> color_table[MAX_BLOCK][MAX_BLOCK];
unsigned int smx[2 * MAX_N], smy[2 * MAX_N], C[MAX_N];
bool used[MAX_N];
int N, Q;
void transform_rectangle(){
std::vector<std::array<int, 5> > 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;
++smx[a + 1], ++smx[c + 1], ++smy[b + 1], ++smy[d + 1];
tmp[i] = {a, b, c, d, e};
}
for(int i = 0; i < 2 * N; ++i){
smx[i + 1] += smx[i], smy[i + 1] += smy[i];
}
for(const std::array<int, 5>& arr : tmp){
const int a = smx[arr[0]] + idX[arr[0]]++;
const int b = smy[arr[1]] + idY[arr[1]]++;
const int c = smx[arr[2]] + idX[arr[2]]++;
const int d = smy[arr[3]] + idY[arr[3]]++;
const int e = arr[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){
memset(C, 0, sizeof(C)), cur_hash = 0, curx = i * WIDTH, cury = -1;
for(int j = 0; j < length; ++j){
auto& ct = color_table[i][j];
const int stx = i * WIDTH + 1, sty = j * WIDTH + 1;
for(int k = stx; k < std::min((i + 1) * WIDTH, 2 * N - 1); ++k){
const int c = xborder[k].color;
if(c > 0){
if(!used[c]) ct.push_back(c), used[c] = true;
}else{
if(!used[-c]) ct.push_back(-c), used[-c] = true;
}
}
for(int k = sty; k < std::min((j + 1) * WIDTH, 2 * N - 1); ++k){
const int c = yborder[k].color;
if(c > 0){
if(!used[c]) ct.push_back(c), used[c] = true;
}else{
if(!used[-c]) ct.push_back(-c), used[-c] = true;
}
}
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 = 0; k < (int)color_table[i][j].size(); ++k){
const int c = color_table[i][j][k];
cnt[i][j][k] = C[c], used[c] = false;
}
}
}
}
unsigned long long query(const int p, const int q){
const int x = smx[p + 1] - 1;
const int y = smy[q + 1] - 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];
const auto& ct = color_table[zx][zy];
for(int i = 0; i < (int)ct.size(); ++i){
kp[trans[ct[i]] = i] = cnt[zx][zy][i];
}
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 = xborder[curx].color;
if(c > 0){
if(++kp[trans[c]] == 1) cur_hash ^= h[c];
}else{
if(--kp[trans[-c]] == 0) cur_hash ^= h[-c];
}
}
}
while(cury < y){
++cury;
if(yborder[cury].lower <= curx && curx < yborder[cury].upper){
const int c = yborder[cury].color;
if(c > 0){
if(++kp[trans[c]] == 1) cur_hash ^= h[c];
}else{
if(--kp[trans[-c]] == 0) cur_hash ^= h[-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;
}