Submission #839415

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
839415	2023-08-30 02:13:44	vjudge1	Examination (JOI19_examination)	C++17	100 / 100	688 ms	42124 KiB

examination

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#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
using namespace std;
typedef long long ll;
const int maxn = 2e5 + 5;
int n, q;
vector<pair<pair<int, int>, int>> s;
vector<int> poi;
vector<int> poi1;
struct BIT2D
{
    vector<int> po[maxn];
    vector<int> bit[maxn];
    void pre_upd(int x, int y)
    {
        for (int i = x; i >= 1; i -= i & (-i))
        {
            po[i].pb(y);
        }
    }
    void pre_get(int x, int y)
    {
        for (int i = x; i <= (int)(poi.size()); i += i & (-i))
        {
            po[i].pb(y);
        }
    }
    void init()
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57