Submission #796179

#	Time	Username	Problem	Language	Result	Execution time	Memory
796179		Dan4Life	Two Dishes (JOI19_dishes)	C++17	0 / 100	392 ms	78348 KiB

dishes

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
const int mxN = (int)2e3+10;
const int LINF = (int)1e18;
int n, m;
int dp[mxN][mxN];
int a[2][mxN], s[2][mxN], p[2][mxN], pr[2][mxN];

int32_t main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> m;
	for(int j : {0,1}){ 
		for(int i = 1; i <= n; i++) 
			cin >> a[j][i] >> s[j][i] >> p[j][i];
		for(int i = 1; i <= n; i++) pr[j][i]=pr[j][i-1]+a[j][i];
		swap(n,m);
	}
	for(int i = 0; i <= n; i++)
		for(int j = 0; j <= m; j++)
			dp[i][j] = (i&j)*-LINF;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			int tim = pr[0][i]+pr[1][j];
			dp[i][j] = dp[i-1][j]+(tim<=s[0][i])*p[0][i];
			dp[i][j] = max(dp[i][j],dp[i][j-1]+(tim<=s[1][j])*p[1][j]);
		}
	}
	cout << dp[n][m] << "\n";
}

• 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