Submission #1006285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006285		christinelynn	Cloud Computing (CEOI18_clo)	C++17	72 / 100	647 ms	2392 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define pb push_back
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define ar array<int, 4>
bool ckmin(int& a, int b){return b < a ? a = b, 1 : 0;}
bool ckmax(int& a, int b){return b > a ? a = b, 1 : 0;}
const int N = 2e3 + 5, mod = 1e9 + 7;
signed main(){
    ios_base::sync_with_stdio(0), cin.tie(0);
    int n; cin >> n;
    vector<array<int, 4>> v(4005);
    for(int i = 0; i < n; i++) cin >> v[i][1] >> v[i][0] >> v[i][2], v[i][3] = 1;
    int m; cin >> m;
    for(int i = n; i < n + m; i++) cin >> v[i][1] >> v[i][0] >> v[i][2], v[i][3] = 0;
    sort(v.begin(), v.begin() + n + m, [&](ar a, ar b) {return a[0] > b[0];});
    vector<int> dp(1e5 + 5, -1e18);
    dp[0] = 0;
    for(int i = 0; i < n + m; i++) {
        vector<int> next = dp;
        if(v[i][3]) for(int j = v[i][1]; j <= 1e5; j++) next[j] = max(next[j], dp[j - v[i][1]] - v[i][2]);
        else for(int j = 0; j <= 1e5 - v[i][1]; j++) next[j] = max(next[j], dp[j + v[i][1]] + v[i][2]);
        dp = next;
    }
    int ans = 0;
    for(int i = 0; i <= 1e5; i++) ans = max(ans, dp[i]);
    cout << ans << endl;
}

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 0 / 18
• Subtask 5: 18 / 18
• Subtask 6: 0 / 10