This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
//priorityqueue
struct Node{
int l, r;
priority_queue<int, vector<int>, greater<int>> f;
priority_queue<int> fcan;
int can, p;
};
int N, M;
bool ans[100005];
bool exist1[100005], exist2[100005];
pair<int, int> arr[100005];
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.top() : 0, seg[idx].p);
seg[idx].can = min(seg[idx].fcan.size() ? seg[idx].fcan.top() : 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){
while(seg[idx].fcan.size() && !exist1[seg[idx].fcan.top()]){
seg[idx].fcan.pop();
}
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.top() > v){
exist1[v] = 0;
ans[v] = 1;
}
while(seg[idx].fcan.size() && seg[idx].fcan.top() < v){
int n = seg[idx].fcan.top();
exist1[n] = 0;
remc(yo[n], yx[n], n, 1);
ans[n] = 1;
}
if(seg[idx].l == l && seg[idx].r == r){
if(exist1[v]){
seg[idx].f.push(v);
}
seg[idx].fcan.push(v);
//cout << *seg[idx].can.begin() << endl;
while(seg[idx].can < v){
ans[seg[idx].can] = 1;
exist1[seg[idx].can] = 0;
remc(yo[seg[idx].can], yx[seg[idx].can], seg[idx].can, 1);
}
if(seg[idx].p > v){
ans[v] = 1;
exist1[v] = 0;
}
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){
while(seg[idx].f.size() && !exist2[seg[idx].f.top()]){
seg[idx].f.pop();
}
while(seg[idx].fcan.size() && !exist1[seg[idx].fcan.top()]){
seg[idx].fcan.pop();
}
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++){
//cout << arr[n].second << endl;
if(arr[n].second > 0){
exist1[arr[n].second] = exist2[arr[n].second] = 1;
add(yo[arr[n].second], yx[arr[n].second], arr[n].second, 1);
if(!exist1[arr[n].second]){
remc(yo[arr[n].second], yx[arr[n].second], arr[n].second, 1);
}
}
else{
exist1[-arr[n].second] = exist2[-arr[n].second] = 0;
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";
}
}
}
/*
4
1 1 20 20
1 1 1 1
1 2 1 1
1 2 2 2
3
1 1 2 2
1 4 2 2
3 2 5 5
*/
Compilation message (stderr)
suncanje.cpp: In function 'void build(int, int, int)':
suncanje.cpp:32:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = l+r>>1;
~^~
suncanje.cpp: In function 'void remc(int, int, int, int)':
suncanje.cpp:56:26: 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:100:26: 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:125:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = seg[idx].l + seg[idx].r >> 1;
~~~~~~~~~~~^~~~~~~~~~~~
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