| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 154693 |
2019-09-23T14:01:45 Z |
AQT |
Sunčanje (COCI18_suncanje) |
C++14 |
|
822 ms |
117708 KB |
#include <bits/stdc++.h>
using namespace std;
//set
struct Node{
int l, r;
set<int> f, fcan;
int can, p;
};
int N, M;
bool ans[100005];
pair<int, int> arr[200005];
int xo[100005], xx[100005], yo[100005], yx[100005];
vector<int> cmp;
Node seg[1000005];
int getidx(int n){
return lower_bound(cmp.begin(), cmp.end(), n) - cmp.begin() + 1;
}
inline void build(int l, int r, int idx){
seg[idx].can = N+1;
seg[idx].l = l, seg[idx].r = r;
if(l == r){
return;
}
int mid = l+r>>1;
build(l, mid, 2*idx);
build(mid+1, r, 2*idx+1);
}
inline void pu(int idx){
seg[idx].p = 0;
seg[idx].can = N+1;
if(seg[idx].l != seg[idx].r){
seg[idx].p = max(seg[2*idx].p, seg[2*idx+1].p);
seg[idx].can = min(seg[2*idx].can, seg[2*idx+1].can);
}
seg[idx].p = max(seg[idx].f.size() ? *(--seg[idx].f.end()) : 0, seg[idx].p);
seg[idx].can = min(seg[idx].fcan.size() ? *(seg[idx].fcan.begin()) : N+1, seg[idx].can);
}
inline void remc(int l, int r, int v, int idx){
if(seg[idx].l == l && seg[idx].r == r){
if(seg[idx].fcan.count(v)){
seg[idx].fcan.erase(v);
}
pu(idx);
return;
}
int mid = seg[idx].l + seg[idx].r >> 1;
if(r <= mid){
remc(l, r, v, 2*idx);
}
else if(l > mid){
remc(l, r, v, 2*idx+1);
}
else{
remc(l, mid, v, 2*idx);
remc(mid+1, r, v, 2*idx+1);
}
pu(idx);
}
inline void add(int l, int r, int v, int idx){
//cout << l << " " << r << " " << v << endl;
if(seg[idx].f.size() && *(--seg[idx].f.end()) > v){
ans[v] = 1;
}
while(seg[idx].fcan.size() && *seg[idx].fcan.begin() < v){
int n = *seg[idx].fcan.begin();
remc(yo[n], yx[n], n, 1);
ans[n] = 1;
}
if(seg[idx].l == l && seg[idx].r == r){
seg[idx].f.insert(v);
seg[idx].fcan.insert(v);
//cout << *seg[idx].can.begin() << endl;
while(seg[idx].can < v){
ans[seg[idx].can] = 1;
remc(yo[seg[idx].can], yx[seg[idx].can], seg[idx].can, 1);
}
if(seg[idx].p > v){
ans[v] = 1;
}
pu(idx);
return;
}
int mid = seg[idx].l + seg[idx].r >> 1;
if(r <= mid){
add(l, r, v, 2*idx);
}
else if(l > mid){
add(l, r, v, 2*idx+1);
}
else{
add(l, mid, v, 2*idx);
add(mid+1, r, v, 2*idx+1);
}
pu(idx);
}
void rem(int l, int r, int v, int idx){
if(seg[idx].l == l && seg[idx].r == r){
if(seg[idx].f.count(v)){
seg[idx].f.erase(v);
}
if(seg[idx].fcan.count(v)){
seg[idx].fcan.erase(v);
}
pu(idx);
return;
}
int mid = seg[idx].l + seg[idx].r >> 1;
if(r <= mid){
rem(l, r, v, 2*idx);
}
else if(l > mid){
rem(l, r, v, 2*idx+1);
}
else{
rem(l, mid, v, 2*idx);
rem(mid+1, r, v, 2*idx+1);
}
pu(idx);
}
int main(){
cin.sync_with_stdio(0);
cin.tie(0);
cin >> N;
for(int i = 1; i<=N; i++){
cin >> xo[i] >> yo[i] >> xx[i] >> yx[i];
xx[i] += xo[i];
yx[i] += yo[i];
yx[i]--;
cmp.push_back(yo[i]);
cmp.push_back(yx[i]);
}
sort(cmp.begin(), cmp.end());
cmp.erase(unique(cmp.begin(), cmp.end()), cmp.end());
M = cmp.size();
build(1, M, 1);
for(int i = 1; i<=N; i++){
yo[i] = getidx(yo[i]), yx[i] = getidx(yx[i]);
arr[i].first = xo[i];
arr[i+N].first = xx[i];
arr[i].second = i;
arr[i+N].second = -i;
}
sort(arr+1, arr+1+2*N);
for(int n = 1; n<=2*N; n++){
if(arr[n].second > 0){
add(yo[arr[n].second], yx[arr[n].second], arr[n].second, 1);
}
else{
rem(yo[-arr[n].second], yx[-arr[n].second], -arr[n].second, 1);
}
}
for(int i = 1; i<=N; i++){
if(ans[i]){
cout << "NE\n";
}
else{
cout << "DA\n";
}
}
}
/*
5
1 1 20 20
1 1 1 1
1 2 1 1
1 2 2 2
1 1 10 10
3
1 1 2 2
1 4 2 2
3 2 5 5
*/
Compilation message
suncanje.cpp: In function 'void build(int, int, int)':
suncanje.cpp:30:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = l+r>>1;
~^~
suncanje.cpp: In function 'void remc(int, int, int, int)':
suncanje.cpp:54:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = seg[idx].l + seg[idx].r >> 1;
~~~~~~~~~~~^~~~~~~~~~~~
suncanje.cpp: In function 'void add(int, int, int, int)':
suncanje.cpp:92:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = seg[idx].l + seg[idx].r >> 1;
~~~~~~~~~~~^~~~~~~~~~~~
suncanje.cpp: In function 'void rem(int, int, int, int)':
suncanje.cpp:117:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = seg[idx].l + seg[idx].r >> 1;
~~~~~~~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
120 ms |
110328 KB |
Output is correct |
| 2 |
Correct |
133 ms |
110648 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
162 ms |
111076 KB |
Output is correct |
| 2 |
Correct |
316 ms |
113408 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
218 ms |
111992 KB |
Output is correct |
| 2 |
Correct |
324 ms |
114292 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
277 ms |
112860 KB |
Output is correct |
| 2 |
Correct |
289 ms |
113544 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
379 ms |
114144 KB |
Output is correct |
| 2 |
Correct |
371 ms |
114544 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
404 ms |
114356 KB |
Output is correct |
| 2 |
Correct |
367 ms |
114464 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
309 ms |
113884 KB |
Output is correct |
| 2 |
Correct |
694 ms |
116172 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
488 ms |
115184 KB |
Output is correct |
| 2 |
Correct |
436 ms |
114804 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
545 ms |
115948 KB |
Output is correct |
| 2 |
Correct |
542 ms |
116208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
822 ms |
117472 KB |
Output is correct |
| 2 |
Correct |
615 ms |
117708 KB |
Output is correct |
