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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 |
---|---|---|---|---|---|---|---|---|---|
#159686 | #7105. Pixel Art | ucup-team1600# | WA | 223ms | 12120kb | C++20 | 4.8kb | 2023-09-02 18:21:29 | 2023-09-02 18:21:30 |
Judging History
answer
//#pragma GCC optimize("Ofast", "unroll-loops")
//#pragma GCC target("sse", "sse2", "sse3", "ssse3", "sse4")
#ifdef LOCAL
#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>
#else
#include <bits/stdc++.h>
#endif
#define all(a) a.begin(),a.end()
#define len(a) (int)(a.size())
#define mp make_pair
#define pb push_back
#define fir first
#define sec second
#define fi first
#define se second
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
typedef long double ld;
template<typename T>
inline bool umin(T &a, T b) {
if (b < a) {
a = b;
return true;
}
return false;
}
template<typename T>
inline bool umax(T &a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
}
#ifdef LOCAL
#define D for (bool _FLAG = true; _FLAG; _FLAG = false)
#define LOG(...) print(#__VA_ARGS__" ::", __VA_ARGS__) << endl
template <class ...Ts> auto &print(Ts ...ts) { return ((cerr << ts << " "), ...); }
#else
#define D while (false)
#define LOG(...)
#endif // LOCAL
const int max_n = -1, inf = 1000111222;
struct dsu {
public:
int n;
vector <int> p, cnt;
inline void make_set (int v) {
p[v] = v;
}
dsu (int n) : n(n) {
p.resize(n);
cnt.assign(n, 1);
for (int i = 0; i < n; i++) {
make_set(i);
}
}
inline int get (int v) {
if (p[v] == v) return v;
return p[v] = get(p[v]); /// compressing path
}
inline bool unite (int a, int b) {
a = get(a);
b = get(b);
if (a == b) return false;
if (cnt[a] > cnt[b]) {
swap(a, b);
}
p[a] = b;
cnt[b] += cnt[a];
return true;
}
};
inline void test_case () {
int n, m, k;
cin >> n >> m >> k;
vector <vector <pii> > h(n), add(n + 1);
for (int i = 0, r0, c0, r1, c1; i < k; i++) {
cin >> r0 >> c0 >> r1 >> c1;
--r0, --r1, --c0, --c1;
if (r0 == r1) {
h[r1].pb({c0, c1});
}
else {
add[r0].pb({c1, 1});
add[r1 + 1].pb({c1, -1});
}
}
ll cnt = 0;
int cmp = 0, cur = 0, num = 0;
vector <pair<pii, int> > last;
vector <int> id(m, -1);
dsu t(k);
for (int i = 0; i < n; i++) {
vector <pair<pii, int> > have;
sort(all(add[i]));
for (auto &j : add[i]) {
cur += j.second;
if (j.second == -1) {
last.pb({{j.first, j.first}, id[j.first]});
id[j.first] = -1;
}
else {
id[j.first] = num++;
have.pb({{j.first, j.first}, id[j.first]});
++cmp;
}
}
for (auto &j : h[i]) {
cnt += j.second - j.first + 1;
++cmp;
have.pb({j, num++});
}
cnt += cur;
sort(all(last));
sort(all(have));
int p = 0;
for (auto &j : have) {
while (p < len(last) && last[p].first.second < j.first.first) {
++p;
}
while (p < len(last) && last[p].first.second <= j.first.second) {
if (t.unite(j.second, last[p].second)) {
--cmp;
}
++p;
}
if (p < len(last) && last[p].first.first <= j.first.second) {
if (t.unite(j.second, last[p].second)) {
--cmp;
}
}
if (j.first.first && id[j.first.first - 1] != -1) {
if (t.unite(j.second, id[j.first.first - 1])) {
--cmp;
}
}
if (j.first.second + 1 < m && id[j.first.second + 1] != -1) {
if (t.unite(j.second, id[j.first.second + 1])) {
--cmp;
}
}
}
last.swap(have);
cout << cnt << ' ' << cmp << '\n';
}
}
int main() {
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
cin >> t;
for (int test = 1; test <= t; test++) {
test_case();
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3544kb
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: -100
Wrong Answer
time: 223ms
memory: 12120kb
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:
wrong answer 10124th lines differ - expected: '100 1', found: '100 50'