Submission #827560

#	Time	Username	Problem	Language	Result	Execution time	Memory
827560		gagik_2007	Cloud Computing (CEOI18_clo)	C++17	100 / 100	590 ms	2132 KiB

clo

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

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define ff first
#define ss second

ll ttt;
const ll INF=1e18;
const ll MOD=1e9+7;
const ll N=2007;
ll n,m,k;
struct Point{
    bool is_order;
    int f,c,v;
    Point(int fff, int cc, int vv, bool b):f(fff),c(cc),v(vv),is_order(b){}
    bool operator<(const Point& other)const{
        if(f==other.f){
            return is_order>other.is_order;
        }
        return f<other.f;
    }
};
vector<Point>a;
ll dp[2][N*51];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);
    cin>>n;
    for(int i=0;i<n;i++){
        int c,f,v;
        cin>>c>>f>>v;
        a.push_back(Point(f,c,-v,false));
    }
    cin>>m;
    for(int i=0;i<m;i++){
        int c,f,v;
        cin>>c>>f>>v;
        a.push_back(Point(f,-c,v,true));
    }
    sort(a.begin(),a.end());
    reverse(a.begin(),a.end());
    // for(int i=0;i<a.size();i++){
    //     cout<<i<<": "<<a[i].f<<" "<<a[i].c<<" "<<a[i].v<<endl;
    // }
    fill(dp[0],dp[0]+N*51-1,-INF);
    dp[0][0]=0;
    for(int i=0;i<a.size();i++){
        for(int j=0;j<n*51;j++){
            dp[1][j]=dp[0][j];
            if(j-a[i].c>=0){
                dp[1][j]=max(dp[1][j],dp[0][j-a[i].c]+a[i].v);
            }
        }
        for(int j=0;j<n*51;j++){
            dp[0][j]=dp[1][j];
            // cout<<dp[0][j]<<" ";
        }
        // cout<<endl;
    }
    ll res=0;
    for(int j=0;j<n*51;j++){
        res=max(res,dp[0][j]);
    }
    cout<<res<<endl;
}

Compilation message (stderr)

clo.cpp: In constructor 'Point::Point(int, int, int, bool)':
clo.cpp:19:13: warning: 'Point::v' will be initialized after [-Wreorder]
   19 |     int f,c,v;
      |             ^
clo.cpp:18:10: warning:   'bool Point::is_order' [-Wreorder]
   18 |     bool is_order;
      |          ^~~~~~~~
clo.cpp:20:5: warning:   when initialized here [-Wreorder]
   20 |     Point(int fff, int cc, int vv, bool b):f(fff),c(cc),v(vv),is_order(b){}
      |     ^~~~~
clo.cpp: In function 'int main()':
clo.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for(int i=0;i<a.size();i++){
      |                 ~^~~~~~~~~

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