OJ-Problems-Source/HDOJ/5032_autoAC.cpp

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#include<map>
#include<string>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<queue>
#include<vector>
#include<iostream>
#include<algorithm>
#include<bitset>
#include<climits>
#include<list>
#include<iomanip>
#include<stack>
#include<set>
using namespace std;
typedef long long ll;
ll bit[1010];
void update(int pos,ll val)
{
for(int i=pos;i<=1000;i+=i&-i)
bit[i]+=val;
}
ll psum(int pos)
{
ll ans=0;
for(int i=pos;i>0;i-=i&-i)
ans+=bit[i];
return ans;
}
struct Point
{
int x,y;
bool operator <(Point one)const
{
return y*one.x<=one.y*x;
}
}point[1000010];
struct Qu
{
int x,y,len,no;
bool operator <(Qu one)const
{
return ll(y*one.x)<ll(one.y*x);
}
}qu[1000010];
ll ans[1000010];
int main()
{
int n=0;
for(int i=1;i<=1000;i++)
for(int j=1;j<=1000;j++)
{
point[n].x=i;
point[n++].y=j;
}
sort(point,point+n);
int T;
scanf("%d",&T);
for(int cs=1;cs<=T;cs++)
{
int a,b,m;
scanf("%d%d%d",&a,&b,&m);
for(int i=0;i<m;i++)
{
scanf("%d%d%d",&qu[i].x,&qu[i].y,&qu[i].len);
qu[i].no=i;
}
sort(qu,qu+m);
memset(bit,0,sizeof(bit));
for(int i=0,j=0;i<m;i++)
{
Point t;
t.x=qu[i].x;
t.y=qu[i].y;
while(j<n&&point[j]<t)
{
update(point[j].x,ll(point[j].x+a)*(point[j].y+b));
j++;
}
ans[qu[i].no]=psum(qu[i].len);
}
printf("Case #%d:\n",cs);
for(int i=0;i<m;i++)
cout<<ans[i]<<endl;
}
}