| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 886729 |
2023-12-12T18:03:59 Z |
dwuy |
Plahte (COCI17_plahte) |
C++14 |
|
251 ms |
22068 KB |
/// dwuy: _,\,,,_\,__,\,,_
#include <bits/stdc++.h>
#define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL)
#define file(a) freopen(a".inp","r",stdin); freopen(a".out", "w",stdout)
#define fi first
#define se second
#define endl "\n"
#define len(s) int32_t(s.length())
#define MASK(k)(1LL<<(k))
#define TASK "test"
using namespace std;
typedef tuple<int, int, int> tpiii;
typedef pair<double, double> pdd;
typedef pair<int, int> pii;
typedef long long ll;
const long long OO = 1e18;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const int MX = 80005;
struct BIT{
int n;
vector<int> tree;
BIT(int n=0){
this->n = n;
this->tree.assign(n+5, 0);
}
void update(int idx, int val){
for(; idx<=n; idx+=-idx&idx) tree[idx] += val;
}
int get(int idx){
int res = 0;
for(; idx; idx-=-idx&idx) res += tree[idx];
return res;
}
int get(int l, int r){
return get(r) - get(l-1);
}
};
struct SMT{
int n;
vector<int> tree;
SMT(int n=0){
this->n = n;
this->tree.assign(n<<2|1, 0);
}
void down(int id){
if(tree[id] == -1) return;
tree[id<<1] = tree[id<<1|1] = tree[id];
tree[id] = -1;
}
void update(int l, int r, int id, const int &u, const int &v, const int &val){
if(l>v || r<u) return;
if(l>=u && r<=v){
tree[id] = val;
return;
}
down(id);
int mid = (l+r)>>1;
update(l, mid, id<<1, u, v, val);
update(mid+1, r, id<<1|1, u, v, val);
}
void update(int l, int r, int val){
update(1, n, 1, l, r, val);
}
int get(int pos){
int id = 1;
for(int l=1, r=n; l<r; ){
down(id);
int mid = (l+r)>>1;
if(pos<=mid) r = mid, id = id<<1;
else l = mid+1, id = id<<1|1;
}
return tree[id];
}
};
struct Rect{
int x, y, u, v, id;
Rect(int x=0, int y=0, int u=0, int v=0, int id=0){
this->x = x;
this->y = y;
this->u = u;
this->v = v;
this->id = id;
}
bool operator < (const Rect &other){
return x < other.x;
}
};
int n, m;
int rid[MX];
Rect rect[MX];
pair<pii, int> pball[MX];
vector<int> color[MX];
void nhap(){
cin >> n >> m;
vector<int> X, Y, F;
for(int i=1; i<=n; i++){
int x, y, u, v;
cin >> x >> y >> u >> v;
rect[i] = Rect(x, y, u, v, i);
X.push_back(x);
X.push_back(u);
Y.push_back(y);
Y.push_back(v);
}
for(int i=1; i<=m; i++){
int x, y, k;
cin >> x >> y >> k;
pball[i] = {{x, y}, k};
X.push_back(x);
Y.push_back(y);
F.push_back(k);
}
#define all(x) (x).begin(),(x).end()
sort(all(X));
sort(all(Y));
sort(all(F));
X.erase(unique(all(X)), X.end());
Y.erase(unique(all(Y)), Y.end());
F.erase(unique(all(F)), F.end());
for(int i=1; i<=n; i++){
rect[i].x = lower_bound(all(X), rect[i].x) - X.begin() + 1;
rect[i].u = lower_bound(all(X), rect[i].u) - X.begin() + 1;
rect[i].y = lower_bound(all(Y), rect[i].y) - Y.begin() + 1;
rect[i].v = lower_bound(all(Y), rect[i].v) - Y.begin() + 1;
}
for(int i=1; i<=m; i++){
pball[i].fi.fi = lower_bound(all(X), pball[i].fi.fi) - X.begin() + 1;
pball[i].fi.se = lower_bound(all(Y), pball[i].fi.se) - Y.begin() + 1;
pball[i].se = lower_bound(all(F), pball[i].se) - F.begin() + 1;
}
}
int dfsID = -1;
int p[MX];
int num[MX];
int rnum[MX];
int clo[MX];
int ans[MX];
vector<int> G[MX];
void dfs(int u){
num[u] = ++dfsID;
rnum[num[u]] = u;
for(int v: G[u]) dfs(v);
clo[u] = dfsID;
}
void solve(){
SMT smt(n+n+m);
vector<pair<pii, pii>> line;
for(int i=1; i<=n; i++){
line.push_back({{rect[i].x, i}, {rect[i].y, rect[i].v}});
line.push_back({{rect[i].u+1, -i}, {rect[i].y, rect[i].v}});
}
sort(line.begin(), line.end());
sort(pball+1, pball+1+m);
for(int i=0, j=1; i<(int)line.size(); i++){
int pos, id; tie(pos, id) = line[i].fi;
int l, r; tie(l, r) = line[i].se;
bool f = id<0; id = abs(id);
if(f) smt.update(l, r, p[id]);
else{
p[id] = smt.get(l);
G[p[id]].push_back(id);
smt.update(l, r, id);
}
if(i+1!=(int)line.size() && line[i+1].fi.fi!=line[i].fi.fi){
while(j<=m && pball[j].fi.fi < line[i+1].fi.fi){
if(pball[j].fi.fi >= pos){
int id = smt.get(pball[j].fi.se);
if(id!=0) color[id].push_back(pball[j].se);
}
j++;
}
}
}
dfs(0);
vector<pair<pii, int>> query;
for(int i=1; i<=n; i++){
query.push_back({{clo[i], num[i]}, i});
}
vector<int> pre(m+5, 0);
sort(query.begin(), query.end());
BIT bit(n+n);
int i = 1;
for(pair<pii, int> tmp: query){
int l, r; tie(r, l) = tmp.fi;
int id = tmp.se;
while(i<=r){
for(int &x: color[rnum[i]]){
if(pre[x]) bit.update(pre[x], -1);
bit.update(i, 1);
pre[x] = i;
}
i++;
}
ans[id] = bit.get(l, r);
}
for(int i=1; i<=n; i++) cout << ans[i] << '\n';
}
int32_t main(){
fastIO;
//file(TASK);
nhap();
solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
69 ms |
11240 KB |
Output is correct |
| 2 |
Correct |
68 ms |
11164 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8280 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
88 ms |
12504 KB |
Output is correct |
| 2 |
Correct |
83 ms |
12240 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8284 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
167 ms |
16084 KB |
Output is correct |
| 2 |
Correct |
145 ms |
14992 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8280 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
230 ms |
22068 KB |
Output is correct |
| 2 |
Correct |
251 ms |
20552 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8284 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
235 ms |
20496 KB |
Output is correct |
| 2 |
Correct |
235 ms |
19208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8280 KB |
Output is correct |
