Submission #433183

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
433183	2021-06-19 06:10:17	benedict0724	역사적 조사 (JOI14_historical)	C++17	40 / 100	4090 ms	9668 KiB

historic

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int bucket = 316;
struct query
{
    int s, e, i;
    query() : query(0, 0, 0) {}
    query(int _s, int _e, int _i) : s(_s), e(_e), i(_i) {}
    bool operator < (const query &O)
    {
        if(s/bucket == O.s/bucket) return e < O.e;
        return s/bucket < O.s/bucket;
    }
};
ll X[100002], Y[100002], I[100002];
query Q[100002];
ll tree[400002];
void update(int i, int l, int r, int id, ll v)
{
    if(l == r) { tree[i] += v; return; }
    int m = (l + r)/2;
    if(id <= m) update(i*2, l, m, id, v);
    else update(i*2+1, m+1, r, id, v);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 0 / 60