oj.uz

Submission #246401

# Submission time Handle Problem Language Result Execution time Memory
246401 2020-07-09T07:02:57 Z aloo123 Divide and conquer (IZhO14_divide) C++14
48 / 100
 1000 ms 3320 KB 
#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <ratio>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#include <climits>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/trie_policy.hpp>
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define in insert
#define vll vector<ll>
#define endl "\n"
#define pll pair<ll,ll>
#define f first
#define s second
#define int ll
#define sz(x) (ll)x.size()
#define all(x) (x.begin(),x.end())
using namespace std;
// using namespace __gnu_pbds;
// typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> os;
 
 
const ll INF = 1e12;
const ll N =(1e5+5); // TODO : change value as per problem
const ll MOD = 1e9+7;

struct nice
{   
    ll x;
    ll g;
    ll e;
};
nice a[N];
ll gold[N];
ll energy[N];
bool cmp(nice b, nice c){
    return (b.x < c.x);
}

void solve(){
    ll n;
    cin >> n;

    for(int i =1;i<=n;i++){
        cin >> a[i].x >> a[i].g >> a[i].e;
        
    }
    sort(a+1,a+n+1,cmp);
    for(int i =1;i<=n;i++){
        gold[i] = gold[i-1] + a[i].g;
        energy[i] = energy[i-1] + a[i].e;
    }
    ll ans = 0;
    for(ll l = 1;l<=n;l++){
        for(ll r = l;r<=n;r++){
            ll tote = energy[r]-energy[l-1];
            if(tote >= (a[r].x-a[l].x)){
                ans = max(gold[r]-gold[l-1],ans);
            }
        }
    }
    cout << ans << endl;
}

signed main(){

    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    

 
     ll tt=1;   
     // cin >> tt;
    while(tt--){    
        solve();
    }    
}
/*
Pick a Range [L,R] such that :
	a) The sum of energy levels in the range >= R-L+1
	b) Sum of Gold is maximal Possible 


	
*/

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 8 ms 512 KB Output is correct
23 Correct 21 ms 640 KB Output is correct
24 Correct 23 ms 640 KB Output is correct

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 8 ms 512 KB Output is correct
23 Correct 21 ms 640 KB Output is correct
24 Correct 23 ms 640 KB Output is correct
25 Correct 22 ms 640 KB Output is correct
26 Correct 69 ms 896 KB Output is correct
27 Correct 72 ms 896 KB Output is correct
28 Execution timed out 1097 ms 3320 KB Time limit exceeded
29 Halted 0 ms 0 KB -