| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 672190 |
2022-12-15T02:38:27 Z |
4EVER |
Sunčanje (COCI18_suncanje) |
C++11 |
|
1568 ms |
240732 KB |
/******************************
* author : @hihihihi *
* date : 13 / 12 / 2022 *
******************************/
#include <bits/stdc++.h>
// #pragma GCC optimize("O2")
// #pragma GCC target("avx,avx2,fma")
// #pragma GCC optimize ("O3,unroll-loops,no-stack-protector")
// #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// template
#define PB push_back
#define ALL(i_) i_.begin(), i_.end()
#define LOG2(x_) (31 - __builtin_clz(x_))
#define getBit(x_, i_) ((x_ >> i_) & (ll) 1)
#define rd(l_, r_) (l_ + rng() % (r_ - l_ + 1))
#define FOR(i_, a_, b_) for(int i_ = (int) (a_); i_ <= (int) (b_); ++i_)
#define FORD(i_, a_, b_) for(int i_ = (int) (a_); i_ >= (int) (b_); --i_)
// debugger
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef DEBUG
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
typedef long long ll;
typedef long double ld;
template<class X, class Y> bool minimize(X &x, const Y &y){
X eps = 1e-9;
if (x > y + eps) {
x = y;
return 1;
}
return 0;
}
template<class X, class Y> bool maximize(X &x, const Y &y) {
X eps = 1e-9;
if (x + eps < y) {
x = y;
return 1;
}
return 0;
}
template<class T> T Abs(const T &x) { return (x < 0 ? -x : x); }
template<class T> using heap_min = priority_queue<T, vector<T>, greater<T>>;
template<class T> using heap_max = priority_queue<T>;
const int mod = (int) 1e9 + 7;
template<class X, class Y> void Add(X &x, const Y &y){
x += y;
if(x >= mod) x -= mod;
if(x < 0) x += mod;
}
const int oo = (int) 1e9 + 99;
const array<int, 2> dxy8[] = { {-1, 0}, {1, 0}, {0, 1}, {0, -1}, {1, -1}, {1, 1}, {-1, 1}, {-1, -1} };
const array<int, 2> dxy4[] = { {-1, 0}, {1, 0}, {0, 1}, {0, -1} };
const int maxn = (int) 1e5 + 11;
const int LOG = (int) LOG2(maxn) + 3;
void File(){
#define TASK "SUNCANJE"
if(fopen(TASK".inp", "r")) {
freopen(TASK".inp", "r", stdin);
freopen(TASK".out", "w", stdout);
}
}
struct item{
int x1, y1, x2, y2;
item(int x1_ = 0, int y1_ = 0, int x2_ = 0, int y2_ = 0){
x1 = x1_;
y1 = y1_;
x2 = x2_;
y2 = y2_;
}
} rect[maxn];
int n, m;
void ReadInput(){
cin >> n;
FOR(i, 1, n) {
int x, y, a, b; cin >> x >> y >> a >> b;
rect[i] = item(x, y, x + a - 1, y + b - 1);
}
}
struct SegmentTree{
vector<set<array<int, 2>>> seg[2];
void Init(int n){
FOR(i, 0, 1){
seg[i].resize(4 * n + 11, {});
}
}
bool Check(set<array<int, 2>> &se, int l, int r){
if(se.empty()) return 0;
auto it = se.lower_bound({l, -1});
if(it != se.end() && (*it)[0] <= r) return 1;
if(it != se.begin()){
--it;
if((*it)[1] >= l) return 1;
}
return 0;
}
void Insert(set<array<int, 2>> &se, int l, int r){
if(se.empty()){
se.insert({l, r});
return;
}
auto lf = se.upper_bound({l, -1});
auto rt = se.upper_bound({r, oo});
if(lf != se.begin()){
--lf;
if((*lf)[1] < l) ++lf;
}
vector<array<int, 2>> temp;
while(lf != rt){
temp.PB(*lf);
++lf;
}
for(auto x : temp){
se.erase(x);
minimize(l, x[0]);
maximize(r, x[1]);
}
se.insert({l, r});
}
bool Add(int u, int v, int l, int r, int node = 1, int lf = 0, int rt = m){
if(u > rt || v < lf) return 0;
if(lf >= u && rt <= v){
bool res = Check(seg[0][node], l, r) | Check(seg[1][node], l, r);
Insert(seg[0][node], l, r);
return res;
}
bool res = Check(seg[0][node], l, r);
Insert(seg[1][node], l, r);
int mid = (lf + rt) >> 1;
res |= Add(u, v, l, r, node << 1, lf, mid);
res |= Add(u, v, l, r, node << 1 | 1, mid + 1, rt);
return res;
}
} SEG;
int res[maxn];
void Solve(){
vector<int> cpr;
FOR(i, 1, n) {
cpr.PB(rect[i].x1);
cpr.PB(rect[i].x2);
cpr.PB(rect[i].y1);
cpr.PB(rect[i].y2);
}
sort(ALL(cpr)); cpr.resize(unique(ALL(cpr)) - cpr.begin());
FOR(i, 1, n){
rect[i].x1 = lower_bound(ALL(cpr), rect[i].x1) - cpr.begin();
rect[i].x2 = lower_bound(ALL(cpr), rect[i].x2) - cpr.begin();
rect[i].y1 = lower_bound(ALL(cpr), rect[i].y1) - cpr.begin();
rect[i].y2 = lower_bound(ALL(cpr), rect[i].y2) - cpr.begin();
}
m = (int) cpr.size() - 1;
SEG.Init(m);
FORD(i, n, 1){
res[i] = SEG.Add(rect[i].x1, rect[i].x2, rect[i].y1, rect[i].y2);
// debug(rect[i].x1, rect[i].x2, rect[i].y1, rect[i].y2);
}
FOR(i, 1, n) cout << (res[i] ? "NE" : "DA") << "\n";
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
File();
ReadInput();
Solve();
cerr << "\nTime elapsed: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
return 0;
}
Compilation message
suncanje.cpp: In function 'void File()':
suncanje.cpp:94:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
94 | freopen(TASK".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
suncanje.cpp:95:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
95 | freopen(TASK".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
33 ms |
12352 KB |
Output is correct |
| 2 |
Correct |
59 ms |
16964 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
98 ms |
27808 KB |
Output is correct |
| 2 |
Correct |
546 ms |
105508 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
220 ms |
48320 KB |
Output is correct |
| 2 |
Correct |
736 ms |
133940 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
338 ms |
67980 KB |
Output is correct |
| 2 |
Correct |
635 ms |
112308 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
639 ms |
111088 KB |
Output is correct |
| 2 |
Correct |
831 ms |
140352 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
628 ms |
111208 KB |
Output is correct |
| 2 |
Correct |
776 ms |
134432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
675 ms |
120052 KB |
Output is correct |
| 2 |
Correct |
795 ms |
140312 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1133 ms |
176976 KB |
Output is correct |
| 2 |
Correct |
629 ms |
113024 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1167 ms |
183108 KB |
Output is correct |
| 2 |
Correct |
1211 ms |
194432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1346 ms |
216640 KB |
Output is correct |
| 2 |
Correct |
1568 ms |
240732 KB |
Output is correct |
