Submission #1094957

#	Time	Username	Problem	Language	Result	Execution time	Memory
1094957		LTTrungCHL	Cloud Computing (CEOI18_clo)	C++17	100 / 100	572 ms	2052 KiB

clo

///***LTT***///
/// ->NHAT QUOC GIA<- ///
#include<bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("popcnt")
//#define int long long
#define endl "\n"
#define F first
#define S second
#define pb push_back
using namespace std;
//vector <int> lg2;
//void MAKE_LOG_ARR(int n){
//    lg2.resize(n + 3);
//    for (int i = 1;i <= n;++i){
//        lg2[i] = __lg(i);
//    }
//}
const long long oo = 1e9+7;
const int N = 2 * 1e5 + 10;
int n, m;
struct com{
    int c, f, v;
};
com a[5000];
long long dp[100005];
long long tmp[100005];
bool cmp(com x, com y){
    if (x.f != y.f){
        return x.f > y.f;
    }
    return x.v < y.v;
}
void solve(){
    cin >> n;
    int mx = 0;
    for (int i = 1;i <= n;++i){
        cin >> a[i].c >> a[i].f >> a[i].v;
        a[i].v *= -1;
        mx += a[i].c;
    }
    cin >> m;
    for (int i = 1;i <= m;++i){
        cin >> a[i + n].c >> a[i + n].f >> a[i + n].v;
        a[i + n].c *= -1;
    }
    sort(a + 1,a + n + m + 1,cmp);
    for (int j = 1;j <= mx;++j){
        dp[j] = -oo * oo;
    }
    for (int i = 1;i <= n + m;++i){
        for (int j = 0;j <= mx;++j){
            tmp[j] = dp[j];
        }
        for (int j = 0;j <= mx;++j){
            if (j + a[i].c >= 0 and j + a[i].c <= mx and dp[j] != -oo * oo){
                tmp[j + a[i].c] = max(tmp[j + a[i].c], dp[j] + a[i].v);
            }
        }
        for (int j = 0;j <= mx;++j){
            dp[j] = tmp[j];
        }
    }
    long long ans = 0;
    for (int i = 0;i <= mx;++i){
        ans = max(ans, dp[i]);
    }
    cout << ans;
    return;
}
int main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    cout.tie(NULL);
    if (fopen("ltt.inp", "r")){
        freopen("ltt.inp", "r", stdin);
        freopen("ltt.out", "w", stdout);
    }
//    int t;
//    cin >> t;
//    while(t--){
    solve();
//    }
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:77:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |         freopen("ltt.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:78:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |         freopen("ltt.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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