QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#166246 | #7105. Pixel Art | ucup-team368 | AC ✓ | 442ms | 17420kb | C++20 | 4.4kb | 2023-09-06 03:36:45 | 2023-09-06 03:36:46 |
Judging History
answer
#ifndef Yamada
#define Yamada
#include Yamada __FILE__ Yamada
using p3i = tuple<int, int, int>;
using p4i = tuple<int, int, int, int>;
const vector<int> dx{1, 0, -1, 0};
const vector<int> dy{0, 1, 0, -1};
struct DSU {
vector<int> p;
int maxn, cc;
void init(int N) {
maxn = N + 1;
p.resize(maxn), iota(ALL(p), 0);
cc = 0;
}
int R(int x) {return x ^ p[x] ? p[x] = R(p[x]) : x;}
int U(int x, int y) {x = R(x), y = R(y); return x ^ y ? p[x] = y, --cc, 1 : 0;}
void add() {++cc;}
};
void solve() {
int N, M, K; cin >> N >> M >> K;
vector<p4i> lines(K);
for (auto &[r1, c1, r2, c2] : lines) cin >> r1 >> c1 >> r2 >> c2;
sort(ALL(lines));
unordered_map<int, vector<p3i>> rows, cols;
for (int i = 0; auto &[r1, c1, r2, c2] : lines) {
if (r1 == r2) rows[r1].eb(c1, c2, i);
else cols[c1].eb(r1, r2, i);
++i;
}
for (auto &[r, row_vec] : rows) sort(ALL(row_vec));
for (auto &[c, col_vec] : cols) sort(ALL(col_vec));
auto search = [&](int r, int c) -> int {
if (rows.contains(r)) {
auto &row_vec = rows[r];
auto it = lower_bound(ALL(row_vec), p3i{c+1, -1, -1});
if (it != begin(row_vec) and get<1>(*prev(it)) >= c) return get<2>(*prev(it));
}
if (cols.contains(c)) {
auto &col_vec = cols[c];
auto it = lower_bound(ALL(col_vec), p3i{r+1, -1, -1});
if (it != begin(col_vec) and get<1>(*prev(it)) >= r) return get<2>(*prev(it));
}
return -1;
};
vector<vector<pii>> ops(N+1);
vector<int64_t> cnt(N+2, 0);
for (int i = 0; auto &[r1, c1, r2, c2] : lines) {
cnt[r1] += (c2 - c1 + 1), cnt[r2 + 1] -= (c2 - c1 + 1);
for (int r, c; int d : {0, 1, 2, 3}) {
r = r1 + dx[d], c = c1 + dy[d];
if (int res = search(r, c); res != -1) ops[max(r1, r)].eb(i, res);
r = r2 + dx[d], c = c2 + dy[d];
if (int res = search(r, c); res != -1) ops[max(r2, r)].eb(i, res);
}
++i;
}
partial_sum(ALL(cnt), begin(cnt));
partial_sum(ALL(cnt), begin(cnt));
DSU dsu; dsu.init(K);
for (int r = 1, tok = 0; r <= N; ++r) {
while (tok < K and get<0>(lines[tok]) == r) dsu.add(), ++tok;
for (auto [a, b] : ops[r]) dsu.U(a, b);
cout << cnt[r] << " " << dsu.cc << "\n";
}
}
int32_t main() {
fastIO();
int t = 1; cin >> t;
for (int _ = 1; _ <= t; ++_) {
solve();
}
return 0;
}
#else
#ifdef local
#define _GLIBCXX_DEBUG 1
#endif
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;
// #define int int64_t
// #define double __float80
using pii = pair<int, int>;
template <typename T> using Prior = std::priority_queue<T>;
template <typename T> using prior = std::priority_queue<T, vector<T>, greater<T>>;
// #define X first
// #define Y second
#define eb emplace_back
#define ef emplace_front
#define ee emplace
#define pb pop_back
#define pf pop_front
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define SZ(x) ((int)(x).size())
#ifdef local
#define fastIO() void()
#define debug(...) \
fprintf(stderr, "%sAt [%s], line %d: (%s) = ", "\u001b[33m", __FILE__, __LINE__, #__VA_ARGS__), \
_do(__VA_ARGS__), fprintf(stderr, "%s", "\u001b[0m")
template <typename T> void _do(T &&_t) {cerr << _t << "\n";}
template <typename T, typename ...U> void _do(T &&_t, U &&..._u) {cerr << _t << ", ", _do(_u...);}
#else
#define fastIO() ios_base::sync_with_stdio(0), cin.tie(0)
#define debug(...) void()
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T, typename U> bool chmin(T &lhs, U rhs) {return lhs > rhs ? lhs = rhs, 1 : 0;}
template <typename T, typename U> bool chmax(T &lhs, U rhs) {return lhs < rhs ? lhs = rhs, 1 : 0;}
template <typename T>
ostream & operator << (ostream &os, const vector<T> &vec) {
os << "[";
for (int i = 0; i < SZ(vec); ++i) {
if (i) os << ", ";
os << vec[i];
}
os << "]";
return os;
}
template <typename T, typename U>
ostream & operator << (ostream &os, const pair<T, U> &p) {
os << "(" << p.first << ", " << p.second << ")";
return os;
}
#endif
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3896kb
input:
3 2 5 2 1 1 1 2 2 3 2 5 2 5 2 1 1 1 3 2 3 2 5 3 3 3 1 1 1 2 3 1 3 2 1 3 2 3
output:
2 1 5 2 3 1 6 1 3 1 4 1 6 2
result:
ok 7 lines
Test #2:
score: 0
Accepted
time: 442ms
memory: 17420kb
input:
2130 2 5 2 1 1 1 2 2 3 2 5 2 5 2 1 1 1 3 2 3 2 5 3 3 3 1 1 1 2 3 1 3 2 1 3 2 3 3 100 51 1 2 2 2 1 4 2 4 1 6 2 6 1 8 2 8 1 10 2 10 1 12 2 12 1 14 2 14 1 16 2 16 1 18 2 18 1 20 2 20 1 22 2 22 1 24 2 24 1 26 2 26 1 28 2 28 1 30 2 30 1 32 2 32 1 34 2 34 1 36 2 36 1 38 2 38 1 40 2 40 1 42 2 42 1 44 2 44 ...
output:
2 1 5 2 3 1 6 1 3 1 4 1 6 2 50 50 100 50 200 1 50 50 150 1 200 1 2 1 4 1 6 1 8 1 10 1 12 1 14 1 16 1 18 1 20 1 22 1 24 1 26 1 28 1 30 1 32 1 34 1 36 1 38 1 40 1 42 1 44 1 46 1 48 1 50 1 52 1 54 1 56 1 58 1 60 1 62 1 64 1 66 1 68 1 70 1 72 1 74 1 76 1 78 1 80 1 82 1 84 1 86 1 88 1 90 1 92 1 94 1 96 1...
result:
ok 355756 lines
Extra Test:
score: 0
Extra Test Passed