Submission #1002281

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002281		Faissel	Cloud Computing (CEOI18_clo)	C++17	100 / 100	316 ms	1372 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
        int n;cin >> n;
        vector<array<ll,3>>a(n);
        ll cnt = 0;
        for(int i=0;i<n;i++){
            cin >> a[i][1] >> a[i][0] >> a[i][2];
            cnt += a[i][1];
        }
        int m;cin >> m;
        ll cnt2 =0;
        vector<array<ll,3>>b(m);
        for(int i=0;i<m;i++){
            cin >> b[i][1] >> b[i][0] >> b[i][2];
            cnt2 += b[i][1];
        }
        sort(a.begin(),a.end(),greater<>());
        sort(b.begin(),b.end(),greater<>());
        ll idx = 0;
        vector<ll>dp(max(cnt,cnt2) + 1);
        for(int i=0;i<=max(cnt,cnt2);i++){
            dp[i] = -1e18;
        }
        dp[0] = 0;
        for(int i=0;i<m;i++){
            while(idx < n && b[i][0] <= a[idx][0]){
                for(int j = dp.size() - 1;j >= a[idx][1];j--){
                    dp[j] = max(dp[j],dp[j - a[idx][1]] - a[idx][2]);
                }
                idx++;
            }
            for(int j= 0;j < dp.size() - b[i][1];j++){
                dp[j] = max(dp[j],dp[j+b[i][1]] + b[i][2]);
            }
        }
        cout << *max_element(dp.begin(),dp.end());
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:39:28: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   39 |             for(int j= 0;j < dp.size() - b[i][1];j++){

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