Submission #1288291

#	Time	Username	Problem	Language	Result	Execution time	Memory
1288291		simona1230	Two Dishes (JOI19_dishes)	C++20	0 / 100	96 ms	16080 KiB

dishes

#include <bits/stdc++.h>

using namespace std;
const long long maxn=1e6+5;

long long n,m;
long long a[maxn],s[maxn],p[maxn];
long long b[maxn],t[maxn],q[maxn];
long long pa[maxn],pb[maxn];
long long ha[maxn],hb[maxn];

void read()
{
    cin>>n>>m;
    for(long long i=1;i<=n;i++)
        cin>>a[i]>>s[i]>>p[i];
    for(long long i=1;i<=m;i++)
        cin>>b[i]>>t[i]>>q[i];

    for(long long i=1;i<=n;i++)
        pa[i]=pa[i-1]+a[i],
        ha[i]=ha[i-1]+p[i];
    for(long long i=1;i<=m;i++)
        pb[i]=pb[i-1]+b[i],
        hb[i]=hb[i-1]+q[i];
}

void subt()
{
    int j=0;
    while(j<=m&&pb[j]<=s[1])j++;
    long long ans=hb[j-1];
    for(int i=1;i<=n;i++)
    {
        while(j>1&&pb[j-1]+pb[i]>s[1])j--;
        ans=max(ans,ha[i]+hb[j-1]);
    }
    cout<<ans<<endl;
}

long long dp[2001][2001];
void solve()
{
    for(long long i=0;i<=n;i++)
    {
        for(long long j=0;j<=m;j++)
        {
            if(i==0&&j==0)continue;
            if(i==0)dp[i][j]=dp[i][j-1]+((pa[i]+pb[j])<=t[j])*q[j];
            else if(j==0)dp[i][j]=dp[i-1][j]+((pa[i]+pb[j])<=s[i])*p[i];
            else dp[i][j]=max(dp[i-1][j]+((pa[i]+pb[j])<=s[i])*p[i],dp[i][j-1]+((pa[i]+pb[j])<=t[j])*q[j]);
        }
    }

    cout<<dp[n][m]<<endl;
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	read();
	subt();
	return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 3
• Subtask 3: 0 / 7
• Subtask 4: 0 / 39
• Subtask 5: 0 / 11
• Subtask 6: 0 / 9
• Subtask 7: 0 / 17
• Subtask 8: 0 / 9