Submission #1095179

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095179		TVSown	Cloud Computing (CEOI18_clo)	C++17	100 / 100	888 ms	2164 KiB

clo

///*** Sown_Vipro ***///
/// ->GIAI BA QUOC GIA<- ///

#include<bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("popcnt")
#define F first
#define S second
#define pb push_back
#define pi pair<int, int>
#define pii pair<int, pair<int, int> >
#define inp(name) if(fopen(name, "r")) freopen(name, "r", stdin);
#define out(name) if(fopen(name, "w")) freopen(name, "w", stdout);
#define szz(s) int(s.size())
#define int long long
const int N = 1e5 + 5, MAX = 1e6, oo = 1e9 + 5, MOD = 1e9 + 7;
int n, m, mx;
long long res;
struct node{
    int c, f, v;
} t[N];

long long dp[2][N];

bool cmp(node a, node b){
    if(a.f != b.f) return a.f > b.f;
    return a.v < b.v;
}

void solve(){
    cin >> n;
    for(int i = 1; i <= n; ++i){
        int c, f, v; cin >> c >> f >> v;
        t[i] = {c, f, -v};
        mx += c;
    }
    cin >> m;
    for(int i = n + 1; i <= n + m; ++i){
        int c, f, v; cin >> c >> f >> v;
        t[i] = {-c, f, v};
    }
    n += m;
    sort(t + 1, t + 1 + n, cmp);
    for(int C = 1; C <= mx; ++C) dp[0][C] = -1e18;
    for(int i = 1; i <= n; ++i){
        auto [c, f, v] = t[i];
//        cout << c << " " << f << " " << v << "\n";
        for(int C = 1; C <= mx; ++C) dp[i % 2][C] = -1e18;
        for(int C = mx; C >= 0; --C){
            dp[i % 2][C] = dp[1 - (i % 2)][C];
            if(C - c >= 0 && C - c <= mx){
                dp[i % 2][C] = max(dp[i % 2][C], dp[1 - (i % 2)][C - c] + v);
//                cout << C << " " << dp[i % 2][C] << "\n";
                res = max(res, dp[i % 2][C]);
            }
        }
    }
    cout << res;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    inp("in.txt");
    int t = 1;
//    cin >> t;
    while(t--){
        solve();
    }
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:14:47: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define inp(name) if(fopen(name, "r")) freopen(name, "r", stdin);
      |                                        ~~~~~~~^~~~~~~~~~~~~~~~~~
clo.cpp:66:5: note: in expansion of macro 'inp'
   66 |     inp("in.txt");
      |     ^~~

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