Submission #623280

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
623280	2022-08-05 11:55:24	Hanksburger	Distributing Candies (IOI21_candies)	C++17	100 / 100	369 ms	38992 KiB

candies

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#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
long long seg[800005], mx[800005], mn[800005];
vector<long long> vec[200005];
vector<int> ans;
void update(long long i, long long l, long long r, long long x, long long y)
{
    if (l==r)
    {
        seg[i]=mx[i]=mn[i]=y;
        return;
    }
    long long mid=(l+r)/2;
    if (x<=mid)
        update(i*2, l, mid, x, y);
    else
        update(i*2+1, mid+1, r, x, y);
    seg[i]=seg[i*2]+seg[i*2+1];
    mx[i]=max(mx[i*2], seg[i*2]+mx[i*2+1]);
    mn[i]=min(mn[i*2], seg[i*2]+mn[i*2+1]);
}
long long query(long long i, long long l, long long r, long long x)
{
//    cout << "query " << i << ' ' << l << ' ' << r << ' ' << x << '\n';
    if (l==r)
        return max(0LL, min(x, seg[i]));
    long long mid=(l+r)/2, res;
    if (mx[i*2+1]-mn[i*2+1]>=x)
        return query(i*2+1, mid+1, r, x);
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 33 / 33