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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 |
---|---|---|---|---|---|---|---|---|---|
#160762 | #7105. Pixel Art | ucup-team004# | AC ✓ | 357ms | 13628kb | C++20 | 2.3kb | 2023-09-02 21:20:50 | 2023-09-04 04:30:57 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
void solve() {
int n, m, k;
std::cin >> n >> m >> k;
std::vector<int> r1(k), r2(k), c1(k), c2(k);
std::vector<std::vector<int>> add(n);
std::vector<std::vector<int>> del(n);
for (int i = 0; i < k; i++) {
std::cin >> r1[i] >> c1[i] >> r2[i] >> c2[i];
r1[i]--, c1[i]--;
add[r1[i]].push_back(i);
if (r2[i] < n) {
del[r2[i]].push_back(i);
}
}
std::vector<int> f(k);
std::iota(f.begin(), f.end(), 0);
auto find = [&](int x) {
while (f[x] != x) {
x = f[x] = f[f[x]];
}
return x;
};
i64 ans = 0;
int comp = 0;
int width = 0;
auto merge = [&](int x, int y) {
x = find(x);
y = find(y);
if (x != y) {
f[y] = x;
comp--;
}
};
std::set<std::array<int, 3>> s;
for (int x = 0; x < n; x++) {
for (auto i : add[x]) {
auto it = s.lower_bound({c1[i], 0, 0});
if (it != s.begin()) {
it--;
}
while (it != s.end() && (*it)[0] < c2[i]) {
if ((*it)[1] > c1[i]) {
merge((*it)[2], i);
}
it++;
}
}
for (auto i : del[x]) {
width -= c2[i] - c1[i];
s.erase({c1[i], c2[i], i});
}
for (auto i : add[x]) {
auto it = s.insert({c1[i], c2[i], i}).first;
if (it != s.begin()) {
auto prv = std::prev(it);
if ((*prv)[1] == c1[i]) {
merge((*prv)[2], i);
}
}
auto nxt = std::next(it);
if (nxt != s.end()) {
if ((*nxt)[0] == c2[i]) {
merge((*nxt)[2], i);
}
}
width += c2[i] - c1[i];
comp++;
}
ans += width;
std::cout << ans << " " << comp << "\n";
}
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3492kb
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: 357ms
memory: 13628kb
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