Submission #461301

#	Time	Username	Problem	Language	Result	Execution time	Memory
461301		vanic	Nuclearia (CEOI15_nuclearia)	C++14	55 / 100	1094 ms	178752 KiB

nuclearia

#include <iostream>
#include <cmath>
#include <cstdio>
#include <algorithm>
#include <cassert>
#include <vector>

using namespace std;
typedef long long ll;

const int maxn=2500000;

ll range[maxn*2];
ll najl[maxn*2];
ll pref[maxn+1];

void precompute(){
	for(int i=maxn; i<maxn*2; i++){
		range[i]=1;
		najl[i]=i-maxn;
	}
	for(int i=maxn-1; i>0; i--){
		range[i]=range[i*2]*2;
		najl[i]=najl[i*2];
	}
}


struct tournament{
	pair < ll, ll > prop[maxn*2];
	void propagate(int &x){
		if(!prop[x].first && !prop[x].second){
			return;
		}
		if(x<maxn){
			prop[x*2].first+=prop[x].first;
			prop[x*2].second+=prop[x].second;
			prop[x*2+1].first+=prop[x].first+prop[x].second*(range[x]/2);
			prop[x*2+1].second+=prop[x].second;
		}
	}
	void update2(int l, int d, pair < ll, ll > val){
		ll L=l;
		d++;
		int x;
		ll val1;
		for(l+=maxn, d+=maxn; l<d; l>>=1, d>>=1){
			if(l&1){
				x=l++;
				val1=val.first+val.second*(najl[x]-L);
				prop[x].first+=val1;
				prop[x].second+=val.second;
			}
			if(d&1){
				x=--d;
				val1=val.first+val.second*(najl[x]-L);
				prop[x].first+=val1;
				prop[x].second+=val.second;
			}
		}
	}
	void resi(){
		for(int i=1; i<maxn*2; i++){
			propagate(i);
		}
	}
};

tournament T;
/*

struct tournament1{
	int pot;
	vector < tournament > t;
	tournament1(int sz1, int sz2){
		pot=sz1;
		tournament T(sz2);
		for(int i=0; i<pot*2; i++){
			t.push_back(T);
		}
	}
	void update(int l, int d, int l2, int d2, pair < ll, ll > val){
		d++;
		for(l+=pot, d+=pot; l<d; l>>=1, d>>=1){
			if(l&1){
				t[l++].update2(l2, d2, val);
			}
			if(d&1){
				
			}
		}
	}
};
*/

int h, w;


vector < vector < ll > > l1;
vector < vector < ll > > pref1;
vector < ll > vi;

void brutaj(){
	vi.resize(h, 0);
	l1.resize(w, vi);
	vi.resize(h+1, 0);
	pref1.resize(w+1, vi);
	int n;
	scanf("%d", &n);
	ll a, b, c, d;
	for(int i=0; i<n; i++){
		scanf("%lld%lld%lld%lld", &a, &b, &c, &d);
		a--;
		b--;
		for(int j=0; j<w; j++){
			for(int k=0; k<h; k++){
				l1[j][k]+=max(0ll, c-d*max(abs(j-a), abs(k-b)));
			}
		}
	}
	for(int i=0; i<w; i++){
		for(int j=0; j<h; j++){
			pref1[i+1][j+1]=pref1[i+1][j]+pref1[i][j+1]-pref1[i][j]+l1[i][j];
		}
	}
	int q;
	scanf("%d", &q);
	ll sum;
	for(int i=0; i<q; i++){
		scanf("%lld%lld%lld%lld", &a, &b, &c, &d);
		sum=0;
		sum=pref1[c][d]-pref1[c][b-1]-pref1[a-1][d]+pref1[a-1][b-1];
		printf("%lld\n", (ll)round((double)sum/((c-a+1)*(d-b+1))));
	}
}


int main(){
	precompute();
	scanf("%d%d", &w, &h);
	bool p=0;
	if(h!=1){
		brutaj();
		return 0;
	}
	if(h>w){
		swap(h, w);
	}
	int n, q;
	scanf("%d", &n);
	int a, b, c, d;
	int kol;
	int l, r;
	pair < ll, ll > val;
	for(int i=0; i<n; i++){
		scanf("%d%d%d%d", &a, &b, &c, &d);
		a--;
		b--;
		if(!p){
			swap(a, b);
		}
		kol=c/d;
		l=b-kol;
		r=b;
		if(l>-1){
			val={c%d, d};
		}
		else{
			val={c%d-l*d, d};
			l=0;
		}
//		cout << "upd " << val.first << ' ' << val.second << endl;
		T.update2(l, r, val);
		l=b+1;
		r=b+kol;
		r=min(r, w-1);
		val={c-d, -d};
		if(l<=r){
			T.update2(l, r, val);
		}
	}
	T.resi();
	for(int i=0; i<w; i++){
		pref[i+1]=pref[i]+T.prop[i+maxn].first;
	}
/*	for(int i=0; i<w; i++){
		cout << T.query(i, i) << ' ';
	}
	cout << endl;*/
	scanf("%d", &q);
	ll sol, dij, res;
	for(int i=0; i<q; i++){
		scanf("%d%d%d%d", &a, &b, &c, &d);
		if(!p){
			swap(a, b);
			swap(c, d);
		}
		sol=pref[d]-pref[b-1];
		dij=d-b+1;
		res=sol/dij;
		if(sol%dij>=(dij+1)/2){
			res++;
		}
		printf("%lld\n", res);
//		printf("%lld\n", (ll)T.query(0, pot-1, 1, b, d));
	}
	return 0;
}

Compilation message (stderr)

nuclearia.cpp: In function 'void brutaj()':
nuclearia.cpp:109:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
nuclearia.cpp:112:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  112 |   scanf("%lld%lld%lld%lld", &a, &b, &c, &d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nuclearia.cpp:127:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  127 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
nuclearia.cpp:130:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  130 |   scanf("%lld%lld%lld%lld", &a, &b, &c, &d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nuclearia.cpp: In function 'int main()':
nuclearia.cpp:140:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  140 |  scanf("%d%d", &w, &h);
      |  ~~~~~^~~~~~~~~~~~~~~~
nuclearia.cpp:150:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  150 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
nuclearia.cpp:156:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  156 |   scanf("%d%d%d%d", &a, &b, &c, &d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
nuclearia.cpp:190:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  190 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
nuclearia.cpp:193:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  193 |   scanf("%d%d%d%d", &a, &b, &c, &d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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