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Submission #673995

# Submission time Handle Problem Language Result Execution time Memory
673995 2022-12-22T13:51:59 Z Ahmed57 Divide and conquer (IZhO14_divide) C++14
100 / 100
 39 ms 8008 KB 
#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    long long arr[n+1][3];
    for(int i = 1;i<=n;i++){
        long long x,g,en;
        cin>>x>>g>>en;
        arr[i][0] = x, arr[i][1] = g,arr[i][2] = en;
    }
    vector<pair<long long,long long>> v;
    long long dist = 0 , energy = 0 , gold = 0;
    for(int i = 1;i<=n;i++){
        if(i>1)dist+=arr[i][0]-arr[i-1][0];
        v.push_back({energy-dist,gold});
        energy+=arr[i][2];
        gold+=arr[i][1];
    }
    long long tab[n];
    sort(v.begin(),v.end());
    long long mi = 1e18;
    for(int i = 0;i<n;i++){
        mi = min(mi,v[i].second);
        tab[i] = mi;
    }
    long long ma = 0;
    dist = 0 , energy = 0 , gold = 0;
    for(int i = 1;i<=n;i++){
        energy+=arr[i][2];
        gold+=arr[i][1];
        if(i>1)dist+=arr[i][0]-arr[i-1][0];
        if(energy-dist>=0){
            ma = max(ma,gold);
        }else{
            pair<long long,long long>p = {(energy-dist)+1,-1};
            int it = lower_bound(v.begin(),v.end(),p)-v.begin();
            it--;
            if(it>=0){
                ma = max(ma,gold-tab[it]);
            }
        }
    }
    cout<<ma;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 320 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 320 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 320 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 3 ms 724 KB Output is correct

Subtask #3
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 320 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 3 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 3 ms 984 KB Output is correct
27 Correct 3 ms 1112 KB Output is correct
28 Correct 17 ms 3788 KB Output is correct
29 Correct 20 ms 4012 KB Output is correct
30 Correct 34 ms 8008 KB Output is correct
31 Correct 27 ms 6852 KB Output is correct
32 Correct 28 ms 6860 KB Output is correct
33 Correct 27 ms 6696 KB Output is correct
34 Correct 33 ms 6728 KB Output is correct
35 Correct 33 ms 7232 KB Output is correct
36 Correct 39 ms 7364 KB Output is correct