某网络赛某题

垃圾代码

#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<=b;++i)
int a,b,c,d;
long long v,t;
const int maxn=1e6+5;
int cnt[maxn];
int main()
{
    //freopen("Input.txt","r",stdin);
    int T;scanf("%d",&T);
    while(T--)
    {
        scanf("%d%d%d%d%lld%lld",&a,&b,&c,&d,&v,&t);
        if(a<c){swap(a,c);swap(b,d);}
        if(v>=c){printf("%lld\n",1LL*(t/a+1)*b+(t/c+1)*d-1);continue;}
        memset(cnt,0,sizeof cnt);
        int i=0,tmp;
        for(i=1;i<=c&&(tmp=(1LL*a*i)%c)!=0;++i)
        {
            cnt[i]=cnt[i-1];
            if(tmp<=v&&tmp+v>=c)cnt[i]--;
            if(tmp>v&&tmp+v<c)cnt[i]++;
            //printf("%d\n",cnt[i]);
        }
        //printf("i=%d\n",i);
        long long m=0;
        long long tt=t/c*c;
        if((tt/a+1)%i!=0)m=cnt[(int)(tt/a+1)%i-1];
        //printf("m=%d\n",m);
        m=1LL*(tt/a+1)/i*cnt[i-1]+m+tt/c+1;
        //printf("m=%d\n",m);
        if(t%a<t%c)
        {
            if(t%c-t%a>v)m++;
        }
        printf("%lld\n",1LL*(t/a+1)*b+(t/c+1)*d-m);
    }
}