Submission #1083447

# Submission time Handle Problem Language Result Execution time Memory
1083447 2024-09-03T08:07:56 Z 4EVER Sunčanje (COCI18_suncanje) C++11
0 / 130
1466 ms 227780 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});
    		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:94:20: 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:95:20: 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 Incorrect 33 ms 13140 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 98 ms 29652 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 212 ms 51668 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 327 ms 72656 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 599 ms 117448 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 662 ms 118728 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 629 ms 126388 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1037 ms 185688 KB Output is correct
2 Incorrect 692 ms 121184 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1178 ms 193736 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1466 ms 227780 KB Output isn't correct
2 Halted 0 ms 0 KB -