Submission #627062

#	Time	Username	Problem	Language	Result	Execution time	Memory
627062		pooyashams	Worst Reporter 3 (JOI18_worst_reporter3)	C++14	100 / 100	625 ms	29176 KiB

worst_reporter3

#include <algorithm>
#include <iostream>
#include <numeric>
#include <cstring>
#include <iomanip>
#include <vector>
#include <bitset>
#include <stack>
#include <queue>
#include <cmath>
#include <set>
#include <map>
#define endl '\n'
#define X first
#define Y second

using namespace std;
typedef long long ll;
#define int ll
typedef long double ld;
typedef pair<int, int> pii;

const int maxn = 5e5+10;

int D[maxn];
int T[maxn];

inline int get_at(int i, int t)
{
	return -i + ( (t/T[i]) * T[i] );
}

int n;

inline int bisect(int x, int t)
{
	int down = -1;
	int up = n+1;
	while(up-down > 1)
	{
		int mid = (up+down) / 2;
		if(get_at(mid, t) <= x)
			up = mid;
		else
			down = mid;
	}
	return up;
}

int32_t main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int q; cin >> n >> q;
	for(int i = 1; i <= n; i++)
		cin >> D[i];
	T[0] = 1;
	for(int i = 1; i <= n; i++)
	{
		T[i] = ((D[i] + T[i-1] - 1) / T[i-1]) * T[i-1];
	}
	while(q--)
	{
		int t, l, r; cin >> t >> l >> r;
		int a = bisect(r, t);
		int b = bisect(l-1, t);
		cout << b-a << endl;
	}
	return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 81 / 81