Submission #898302

#	Time	Username	Problem	Language	Result	Execution time	Memory
898302		votranngocvy	Cloud Computing (CEOI18_clo)	C++14	100 / 100	983 ms	3992 KiB

clo

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

#define int long long
#define piii pair<int,pair<int,int>>
#define fi first
#define se second

const int N = 2e3 + 5;
const int inf = 0x3f3f3f3f3f3f3f3f;
vector<piii>vec;
vector<int>dp_before,dp_cur;

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        int c,f,v;
        cin >> c >> f >> v;
        vec.push_back({f,{c,-v}});
    }
    int m;
    cin >> m;
    for (int i = 1; i <= m; i++) {
        int c,f,v;
        cin >> c >> f >> v;
        vec.push_back({f,{-c,v}});
    }
    sort(vec.rbegin(),vec.rend());
    dp_before.push_back(0);
    for (int i = 0; i < (int)vec.size(); i++) {
        dp_cur = dp_before;
        for (int j = 0; j < dp_before.size(); j++) {
            int newCnt = j + vec[i].se.fi,newCost = dp_before[j] + vec[i].se.se;
            if (newCnt >= 0) {
                while ((int)dp_cur.size() <= newCnt) dp_cur.push_back(-inf);
                dp_cur[newCnt] = max(dp_cur[newCnt],newCost);
            }
        }
        dp_before = dp_cur;
    }
    int ans = 0;
    for (auto x: dp_before) ans = max(ans,x);
    cout << ans << "\n";
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:35:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for (int j = 0; j < dp_before.size(); 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