Submission #751991

#	Time	Username	Problem	Language	Result	Execution time	Memory
751991		pemguimn	Cloud Computing (CEOI18_clo)	C++14	100 / 100	707 ms	5332 KiB

clo

#include <bits/stdc++.h>
#define int long long
#define pii pair<int, int>
#define pb push_back
#define gcd __gcd
#define endl "\n"
#define task "hihi"
using namespace std;
const int N = 3e5 + 5, MOD = 1e9 + 7, INF = 1e18 + 5;  
int n, m, dp[N], pre[N];
vector<array<int, 3>> a;
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen(task".inp", "r", stdin);
    //freopen(task".out", "w", stdout);
    cin >> n;
    for(int i = 1; i <= n; i++){
        int x, y, z; cin >> x >> y >> z;
        a.pb({x, y, -z});
    }
    cin >> m;
    for(int i = 1; i <= m; i++){
        int x, y, z; cin >> x >> y >> z;
        a.pb({-x, y, z});
    }
    sort(a.begin(), a.end(), [](array<int, 3> x, array<int, 3> y){
        return (x[1] == y[1] ? x[2] < y[2] : x[1] > y[1]);
    });
    fill(pre, pre + N, -INF);
    fill(dp, dp + N, -INF);
    pre[0] = 0;
    int sum = 0, ans = 0;
    for(int i = 0; i < a.size(); i++){
        for(int j = max(0LL, a[i][0]); j <= sum + a[i][0]; j++){
            if(pre[j - a[i][0]] == -INF) continue;
            dp[j] = max(dp[j], pre[j - a[i][0]] + a[i][2]);
            ans = max(ans, dp[j]);
        }
        sum = max(sum, sum + a[i][0]);
        for(int j = max(0LL, a[i][0]); j <= sum; j++){
            pre[j] = max(dp[j], pre[j]);  
        } 
    }
    cout << ans;
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:34:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     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