Submission #1049280

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049280		Hamed_Ghaffari	Cloud Computing (CEOI18_clo)	C++17	100 / 100	336 ms	2788 KiB

clo

#include <bits/stdc++.h>
using namespace std;

using ll  = long long;
using ld  = long double;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
using ull = unsigned long long;

#define X               first
#define Y               second
#define SZ(x)           int(x.size())
#define all(x)          x.begin(), x.end()
#define mins(a,b)       (a = min(a,b))
#define maxs(a,b)       (a = max(a,b))
#define pb              push_back
#define Mp              make_pair
#define lc              id<<1
#define rc              lc|1
#define mid             ((l+r)/2)
mt19937_64              rng(chrono::steady_clock::now().time_since_epoch().count());

const ll  INF = 1e18;
const ll  MOD = 1e9 + 7;
const int MXN = 4e3+5;
const int LOG = 23;

int n, m;
struct item { 
    int c, f, v, z;
    friend bool operator<(item &i1, item &i2) {
        return i1.f!=i2.f ? i1.f<i2.f : i1.z<i2.z;
    }
} A[MXN];

vector<ll> dp[2];

void Main() {
    cin >> n;
    for(int i=1; i<=n; i++) {
        cin >> A[i].c >> A[i].f >> A[i].v;
        A[i].z = +1;
    }
    cin >> m;
    for(int i=n+1; i<=n+m; i++) {
        cin >> A[i].c >> A[i].f >> A[i].v;
        A[i].z = -1;
    }
    n += m;
    sort(A+1, A+n+1);
    dp[(n&1)^1] = {0};
    for(int i=n; i>=1; i--) {
        dp[i&1] = dp[(i&1)^1];
        for(int j=0; j<A[i].z*A[i].c; j++) dp[i&1].pb(-INF);
        for(int j=0; j<SZ(dp[(i&1)^1]); j++)
            if(0<=j+A[i].c*A[i].z)
                maxs(dp[i&1][j+A[i].c*A[i].z], dp[(i&1)^1][j]-A[i].z*A[i].v);
    }
    cout << *max_element(all(dp[1])) << '\n';
}

int32_t main() {
    cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
    int T = 1;
    // cin >> T;
    while(T--) Main();
    return 0;
}

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