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Submission #759865

# Submission time Handle Problem Language Result Execution time Memory
759865 2023-06-17T01:00:02 Z Trunkty Divide and conquer (IZhO14_divide) C++14
100 / 100
 28 ms 11004 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll

int n,ans;
int x[100005],g[100005],preg[100005],d[100005];

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    for(int i=1;i<=n;i++){
        cin >> x[i] >> g[i] >> d[i];
        preg[i] = preg[i-1]+g[i];
    }
    vector<vector<int>>v;
    x[0] = x[1];
    int curr=0;
    for(int i=1;i<=n;i++){
        curr -= (x[i]-x[i-1]);
        if(v.size()==0 or v.back()[0]>curr){
            v.push_back({curr,i});
        }
        curr += d[i];
        int low=0,high=v.size()-1;
        while(low!=high){
            int mid = (low+high)/2;
            if(v[mid][0]>curr){
                low = mid+1;
            }
            else{
                high = mid;
            }
        }
        ans = max(ans,preg[i]-preg[v[low][1]-1]);
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 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 1 ms 340 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 2 ms 860 KB Output is correct

Subtask #3
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 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 1 ms 340 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 2 ms 724 KB Output is correct
27 Correct 2 ms 840 KB Output is correct
28 Correct 10 ms 2896 KB Output is correct
29 Correct 12 ms 3124 KB Output is correct
30 Correct 25 ms 6276 KB Output is correct
31 Correct 18 ms 5112 KB Output is correct
32 Correct 19 ms 5216 KB Output is correct
33 Correct 18 ms 4992 KB Output is correct
34 Correct 24 ms 7828 KB Output is correct
35 Correct 27 ms 11004 KB Output is correct
36 Correct 28 ms 10912 KB Output is correct