Submission #942819

#	Time	Username	Problem	Language	Result	Execution time	Memory
942819		Baizho	Cloud Computing (CEOI18_clo)	C++14	100 / 100	308 ms	1616 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
  
#define ordered_set tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
 
// #pragma GCC optimize("Ofast,unroll-loops,fast-math")
// #pragma GCC target("popcnt,sse3,avx")
 
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define pb push_back
 
const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const int N = ll(1e5)+100;
const int M = ll(2e5) + 100;
const long long inf = 5e18;
//const long double eps = 1e-15L;
 
ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; }
 
ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;}
 
void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }

int n, m;
const int W = 100005;

long long dp[W + 10];

struct dat {
	int c, f, v, t;
};
 
void Baizho() {
	cin>>n;
	vector<dat> vec;
	for(int i = 1; i <= n; i ++) {
		int c, f, v; cin>>c>>f>>v;
		vec.pb({c, f, v, 1});
	}
	cin>>m;
	for(int i = 1; i <= m; i ++) {
		int c, f, v; cin>>c>>f>>v;
		vec.pb({c, f, v, 0});
	}
	sort(all(vec), [](dat &a, dat &b) {
        if(a.f == b.f) return a.t > b.t;
		return a.f > b.f;
	});
	for(int i = 1; i <= W; i ++) dp[i] = -inf;
	for(auto [c, f, v, t] : vec) {
        if(t == 1) {
            // answer for i where we add this which will make us have more core and we spend v dollars
            for(int i = W; i >= c; i --) dp[i] = max(dp[i], dp[i - c] - v);
        } else {
            // answer for i where we add this which will make us have less core and we gain v dolalrs
            for(int i = 0; i + c <= W; i ++) dp[i] = max(dp[i], dp[i + c] + v);
        }
    }
	long long ans = 0;
    for(int i = 0; i <= W; i ++) ans = max(ans, dp[i]);
    cout<<ans;
}
 
signed main() {		
// 	Freopen("nondec");
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
//   	precalc();
   	
    int ttt = 1;
//    cin>>ttt;
 
    for(int i=1; i<=ttt; i++) {Baizho(); }
}

Compilation message (stderr)

clo.cpp: In function 'void Baizho()':
clo.cpp:63:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   63 |  for(auto [c, f, v, t] : vec) {
      |           ^
clo.cpp: In function 'void Freopen(std::string)':
clo.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "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