Submission #441679

#	Time	Username	Problem	Language	Result	Execution time	Memory
441679		linkret	Cloud Computing (CEOI18_clo)	C++14	100 / 100	787 ms	2048 KiB

clo

#include <bits/stdc++.h>
using namespace std; long long int dp [2][2010*50];
struct rac {
	int f, ku, v;
};
vector < rac > k;
int cmp (rac a, rac b){
	if (a.f==b.f){
		if (a.ku>b.ku) return 1;
		return 0;
	}
	if (a.f>b.f) return 1;
	return 0;
}
int main(){
	int n,m; cin >> n;
	for (int i=0; i<n; i++) {
		int c,f,v; cin >> c >> f >> v; v=(-v);
		rac x; x.ku=c; x.f=f; x.v=v;
		k.push_back(x);
	}
	cin >> m;
	for (int i=0; i<m; i++) {
		int c,f,v; cin >> c >> f >> v; c=(-c);
		rac x; x.ku=c; x.f=f; x.v=v;
		k.push_back(x);
	}
	long long int sol=0;
	sort (k.begin(), k.end(), cmp);
	for (int j=1; j<2010*50; j++) dp[0][j]=-1e18;
	for (int i=0; i<k.size(); i++) {
		for (int j=0; j<2010*50; j++) {
			if (j<k[i].ku) dp[1][j]=dp[0][j];
			else if (j-k[i].ku>=2010*50) dp[1][j]=dp[0][j];
			else dp [1][j] = max (dp[0][j-k[i].ku]+k[i].v, dp[0][j]);
		}
		for (int j=0; j<2010*50; j++) dp[0][j]=dp[1][j];
	}
	for (int j=0; j<2010*50; j++) sol=max (sol, dp[0][j]);
	cout << sol;
	return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:31:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rac>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |  for (int i=0; i<k.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