Submission #265432

#	Time	Username	Problem	Language	Result	Execution time	Memory
265432		TadijaSebez	Nuclearia (CEOI15_nuclearia)	C++11	100 / 100	434 ms	252080 KiB

nuclearia

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2")
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
const int N=200050;
int x[N],y[N],a[N],b[N],rng[N];
int xl[N],xr[N],yl[N],yr[N];
inline int dist(int x1,int y1,int x2,int y2){return max(abs(x1-x2),abs(y1-y2));}
inline int get(int i,int X,int Y){return max((ll)0,a[i]-(ll)b[i]*dist(x[i],y[i],X,Y));}
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int H,W,n,q;
	cin>>H>>W>>n;
	for(int i=1;i<=n;++i)cin>>x[i]>>y[i]>>a[i]>>b[i],rng[i]=a[i]/b[i];
	cin>>q;
	for(int i=1;i<=q;++i)cin>>xl[i]>>yl[i]>>xr[i]>>yr[i];
	if(H>W){
		swap(H,W);
		for(int i=1;i<=n;++i)swap(x[i],y[i]);
		for(int i=1;i<=q;++i)swap(xl[i],yl[i]),swap(xr[i],yr[i]);
	}
	vector<ll> fir(W+2,0),add(W+2,0),f_d(W+2,0),f_n(W+2,0),add_r(H+2,0);
	vector<vector<ll>> cell(H,vector<ll>(W,0)),add_d1(H+2,vector<ll>(W+2,0)),add_d2(H+2,vector<ll>(W+2,0));
	vector<vector<int>> work(H+1);
	auto get_t=[&](int o,int i){return i<=x[o]?x[o]-i:i-x[o]-1;};
	for(int i=1;i<=n;++i){
		if(x[i]-rng[i]>0)work[x[i]-rng[i]].pb(i);
		if(x[i]+rng[i]+1<=H)work[x[i]+rng[i]+1].pb(i);
		if(rng[i]!=0){
			int p=min(min(rng[i],x[i]),y[i]);
			int q=min(min(rng[i]+1,H-x[i]+1),W-y[i]+1);
			add_d1[x[i]-p+1][y[i]-p+1]+=b[i];
			add_d1[x[i]+q][y[i]+q]-=b[i];
			if(max(x[i]-rng[i]+1,1)<x[i]-p+1){
				add_r[max(x[i]-rng[i]+1,1)]+=b[i];
				add_r[x[i]-p+1]-=b[i];
			}
			p=min(min(rng[i]+1,x[i]+1),W-y[i]+1);
			q=min(min(rng[i],H-x[i]),y[i]);
			add_d2[x[i]-p+2][y[i]+p-1]-=b[i];
			add_d2[x[i]+q+1][y[i]-q]+=b[i];
			if(x[i]+q+1<min(x[i]+rng[i]+1,H+1)){
				add_r[x[i]+q+1]-=b[i];
				add_r[min(x[i]+rng[i]+1,H+1)]+=b[i];
			}
		}
		if(x[i]<=rng[i]){
			int t=get_t(i,0);
			int val=get(i,0,y[i]);
			if(y[i]-t-1>=1){
				f_d[max(1,y[i]-rng[i])]+=b[i];
				f_d[y[i]-t]-=b[i];
				f_n[max(1,y[i]-rng[i])]+=val-(ll)(y[i]-t)*b[i];
				f_n[y[i]-t]-=val-(ll)(y[i]-t)*b[i];
			}
			f_n[max(1,y[i]-t)]+=val;
			f_n[min(W+1,y[i]+t+1)]-=val;
			if(y[i]+t+1<=W){
				f_d[y[i]+t+1]-=b[i];
				f_d[min(W+1,y[i]+rng[i]+1)]+=b[i];
				f_n[y[i]+t+1]+=val+(ll)(y[i]+t)*b[i];
				f_n[min(W+1,y[i]+rng[i]+1)]-=val+(ll)(y[i]+t)*b[i];
			}
		}
	}
	for(int i=1;i<=W;i++){
		f_n[i]+=f_n[i-1];
		f_d[i]+=f_d[i-1];
		fir[i]=f_n[i]+f_d[i]*i;
	}
	for(int i=1;i<=H;++i){
		for(int o:work[i]){
			int t=get_t(o,i);
			if(t<=rng[o]){
				int dif=t==rng[o]?get(o,i,y[o])-get(o,i-1,y[o]):(i<=x[o]?b[o]:-b[o]);
				add[max(1,y[o]-t)]+=dif;
				add[min(W+1,y[o]+t+1)]-=dif;
			}
		}
		ll sum=0;
		add_r[i]+=add_r[i-1];
		add[1]+=add_r[i];
		for(int j=1;j<=W;++j){
			add_d1[i][j]+=add_d1[i-1][j-1];
			add_d2[i][j]+=add_d2[i-1][j+1];
			sum+=(add[j]+=add_d1[i][j]+add_d2[i][j]);
			cell[i-1][j-1]=sum+fir[j];
			cell[i-1][j-1]+=(i!=1?cell[i-2][j-1]:0)+(j!=1?cell[i-1][j-2]:0)-(i!=1&&j!=1?cell[i-2][j-2]:0);
		}
	}
	for(int i=1;i<=q;++i){
		ll ans=cell[xr[i]-1][yr[i]-1]-(xl[i]!=1?cell[xl[i]-2][yr[i]-1]:0)-(yl[i]!=1?cell[xr[i]-1][yl[i]-2]:0)+(xl[i]!=1&&yl[i]!=1?cell[xl[i]-2][yl[i]-2]:0);
		ll sz=(xr[i]-xl[i]+1)*(yr[i]-yl[i]+1);
		ll out=ans/sz;
		if((ans%sz)*2>=sz)out++;
		cout<<out<<"\n";
	}
	return 0;
}

Compilation message (stderr)

nuclearia.cpp:3: warning: ignoring #pragma comment  [-Wunknown-pragmas]
    3 | #pragma comment(linker, "/stack:200000000")
      |

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