7.14

hanyaxin · 2025-07-14 17:25:23 · 个人记录

#include<bits/stdc++.h>
using namespace std;
int a[10010],b[10010];
int n;
int y,m1,d1,y2,m2,d2;
long long ans=0; 
void init()
{
    if(y==y2)
    {
        if(m1==m2)
        {
            ans=d2-d1+1;
            return ;
        }
        ans=a[m1]-d1+1;
        m1++;
        ans+=d2;
        ans+=b[m2]-b[m1];
    }
    else
    {
        int run=y2/4-y/4;
        if(y%4==0)run++;
        if(y2%4==0)run--;
        ans+=b[n]-b[m1]+(a[m1]-d1+1)+b[m2-1]+d2+run;
        if(y%4==0&&m1==n)ans++;
        ans+=(y2-y-1)*b[n];
    }
}
int main()
{
    //freopen(".in","r",stdin);

    //freopen(".out","w",stdout);
    int t;
    cin>>t;
    while(t--)
    {
        ans=0;
        cin>>n;
        for(int i=1;i<=n;i++)
        {
            cin>>a[i];
            b[i]=b[i-1]+a[i];
        }
        cin>>y>>m1>>d1>>y2>>m2>>d2;
        init();
        cout<<ans<<"\n";
    }
    //fclose(stdin);
    //fclose(stdout);
    return 0;
}