QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#668799 | #5113. Bridge | hei_yu_bai | RE | 0ms | 3532kb | C++20 | 2.4kb | 2024-10-23 16:00:06 | 2024-10-23 16:00:11 |
Judging History
answer
#include<iostream>
using namespace std;
#include<vector>
#include<algorithm>
#include<cmath>
#include<numeric>
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m, q;
cin >> n >> m >> q;
int s = sqrt(q);
vector<pair<int, int>> query;
vector<vector<pair<int, int>>> swaps(m + 2);
vector<int> inclu, cur(n + 1), vis(n + 1), pos(n + 1), tpos(n + 1), a(s), b(s);
vector<vector<int>> link(q + 1, vector<int>(n + 1));
vector<int> ans(q);
int tot = 0;
for (int i = 0; i < (q + s - 1) / s; ++i) {
query.clear(), inclu.clear();;
for (int j = 1; j <= n; ++j) cur[j] = j, vis[j] = false;
for (int j = i * s; j < min(q, (i + 1) * s); ++j) {
int op, x, y;
cin >> op >> x;
if (op == 1) {
cin >> y;
swaps[y].emplace_back(j, x);
}
else {
query.emplace_back(j, x);
inclu.emplace_back(x);
vis[x] = true;
}
}
//cout << "-1\n";
for (int j = 1; j <= m; ++j) {
for (auto o : swaps[j]) {
int& x = cur[o.second], & y = cur[o.second + 1];
swap(x, y);
if (o.first / s == i) {
if (!vis[x]) {
vis[x] = true;
inclu.emplace_back(x);
}
if (!vis[y]) {
vis[y] = true;
inclu.emplace_back(y);
}
}
}
}
//cout << "-1\n";
int len = 0, cnt = inclu.size();
for (int j = 1; j <= n; ++j) cur[j] = j, pos[j] = j;
for (int j = 0; j < cnt; ++j) tpos[j] = pos[inclu[j]];
for (int j = 1; j <= m; ++j) {
for (auto o : swaps[j]) {
int& x = cur[o.second], & y = cur[o.second + 1];
if (o.first / s == i) {
for (int k = 0; k < cnt; ++k) {
link[len][tpos[k]] = pos[inclu[k]];
}
a[len] = o.first, b[len] = o.second;
++len;
}
swap(x, y);
swap(pos[x], pos[y]);
if(o.first / s== i)
for (int k = 0; k < cnt; ++k) {
tpos[k] = pos[inclu[k]];
}
}
}
for (int k = 0; k < cnt; ++k) {
link[len][tpos[k]] = pos[inclu[k]];
}
a[len] = 1e9;
len++;
//cout << "-1\n";
for (auto o : query) {
int t = o.first, p = o.second;
for (int j = 0; j < len; ++j) {
p = link[j][p];
if (a[j] < t) {
if (b[j] == p) p++;
else if (b[j] == p - 1) p--;
}
}
ans[tot++] = p;
//cout << p << "\n";
}
//cout << "-1\n";
}
for (int i = 0; i < tot; ++i) cout << ans[i] << "\n";
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3532kb
input:
3 4 13 2 2 1 1 3 2 1 2 2 2 3 1 2 4 2 1 2 2 2 3 1 2 1 2 1 2 2 2 3
output:
2 2 1 3 3 1 2 3 2 1
result:
ok 10 numbers
Test #2:
score: -100
Runtime Error
input:
3 100000 99997 2 2 2 2 2 3 2 3 2 3 2 3 2 3 1 2 11047 1 1 98732 1 2 90045 1 1 43556 2 1 2 3 1 2 17242 1 1 17027 2 1 1 1 94195 2 1 2 2 2 1 2 3 1 1 34124 1 2 14354 1 2 673 1 2 39812 1 2 35520 1 2 16046 2 3 2 2 1 1 25410 2 3 2 1 2 3 2 2 1 2 55684 2 1 1 2 24811 1 2 92268 1 2 60268 2 2 1 1 89272 1 2 19232...
output:
2 2 2 2 3 3 3 2 3 2 2 1 2 3 3 1 3 2 3 1 2 1 1 2 1 3 2 2 1 3 3 2 3 3 2 1 3 2 1 3 2 1 1 2 2 1 3 3 2 3 1 3 2 2 3 3 2 1 2 1 2 3 2 3 2 2 2 2 1 3 1 3 2 1 2 2 2 1 1 1 2 3 1 3 3 2 2 2 3 3 1 2 2 3 2 2 1 1 2 3 2 3 2 1 1 3 1 2 1 1 2 1 1 2 2 3 1 3 1 3 3 1 1 2 1 1 2 2 1 3 2 2 2 1 3 3 3 3 1 3 3 1 3 1 3 1 3 1 3 1 ...