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Submission #466511

# Submission time Handle Problem Language Result Execution time Memory
466511 2021-08-19T14:14:51 Z JvThunder Distributing Candies (IOI21_candies) C++17
29 / 100
 146 ms 16828 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
 
const int MAXQ = 1000005;
const ll INF = (ll)(1e18);

vector<int> distribute_candies(vector<int> c, vector<int> L, vector<int> R, vector<int> v) 
{
    int n = c.size(); int q = v.size();
    
    vector<ll> p;
    p.push_back(INF); p.push_back(0LL);
    for(int i=0;i<q;i++) p.push_back(p.back() + v[i]);
    q+=2;

    vector<ll> smax(q),smin(q);
    smax[q-1] = smin[q-1] = p[q-1];
    for(int i=q-2;i>=0;i--)
    {
        smax[i] = max(smax[i+1],p[i]);
        smin[i] = min(smin[i+1],p[i]);
    }

    vector<int> final_A(n);
    for(int i=0;i<n;i++)
    {
        int l = 0; int r = q-1;
        int ret = -1;
        while(l<=r)
        {
            int mid = (l+r)/2;
            if(smax[mid]-smin[mid]>=c[i])
            {
                ret = mid;
                l = mid+1;
            }
            else r = mid-1;
        }
        if(p[ret]==smax[ret]) final_A[i] = p[q-1]-smin[ret];
        else final_A[i] = c[i]-(smax[ret]-p[q-1]);
    }
    return final_A;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 0 ms 292 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 146 ms 13504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 64 ms 12352 KB Output is correct
4 Correct 73 ms 4020 KB Output is correct
5 Correct 127 ms 15544 KB Output is correct
6 Correct 128 ms 16180 KB Output is correct
7 Correct 131 ms 16784 KB Output is correct
8 Correct 138 ms 15460 KB Output is correct
9 Correct 127 ms 16828 KB Output is correct

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 0 ms 292 KB Output isn't correct
3 Halted 0 ms 0 KB -