Submission #259388

#	Time	Username	Problem	Language	Result	Execution time	Memory
259388		keko37	Two Dishes (JOI19_dishes)	C++14	10 / 100	64 ms	64888 KiB

dishes

#include<bits/stdc++.h>

using namespace std;

typedef long long llint;

const int MAXN = 2005;

int n, m;
llint a[MAXN], b[MAXN], s[MAXN], t[MAXN], p[MAXN], q[MAXN];
llint suma[MAXN], sumb[MAXN];
llint dp[MAXN][MAXN];

llint calc (int i, int j) {
    if (dp[i][j] != -1) return dp[i][j];
    llint res = 0;
    if (i <= n) res = max(res, calc(i + 1, j) + (suma[i] + sumb[j - 1] <= s[i]) * p[i]);
    if (j <= m) res = max(res, calc(i, j + 1) + (suma[i - 1] + sumb[j] <= t[j]) * q[j]);
    return dp[i][j] = res;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    memset(dp, -1, sizeof dp);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        cin >> a[i] >> s[i] >> p[i];
        suma[i] = suma[i - 1] + a[i];
    }
    for (int i = 1; i <= m; i++) {
        cin >> b[i] >> t[i] >> q[i];
        sumb[i] = sumb[i - 1] + b[i];
    }
    cout << calc(1, 1);
    return 0;
}

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