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Submission #635253

# Submission time Handle Problem Language Result Execution time Memory
635253 2022-08-25T18:16:01 Z ParsaEs Worst Reporter 3 (JOI18_worst_reporter3) C++14
19 / 100
 507 ms 20700 KB 
//InTheNameOfGOD
//PRS;)
#pragma GCC optimize("unroll-loops", "O2", "Ofast", "O3")
#pragma GCC target("avx2", "sse", "sse2")
#include<bits/stdc++.h>
#define Fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define rep(i, l, r) for(ii i = l; i < r; i++)
#define max(x, y) (x > y ? x : y)
typedef int ii;
using namespace std;
constexpr ii xn = 5e5 + 5;
ii d[xn];
ii main()
{
	Fast;
	ii n, q;
	cin >> n >> q;
	rep(i, 0, n) cin >> d[i];
	rep(i, 1, n) d[i] = ((d[i] + d[i - 1] - 1) / d[i - 1]) * d[i - 1];
	while(q--)
	{
		ii t, l, r, p1 = 0, p2 = n, p3 = 0, p4 = n;
		cin >> t >> l >> r;
		while(p1 < p2)
		{
			ii m = p1 + p2 >> 1;
			if((t / d[m]) * d[m] - m - 1 < l) p2 = m;
			else p1 = m + 1;
		}
		while(p3 < p4)
		{
			ii m = p3 + p4 >> 1;
			if((t / d[m]) * d[m] - m - 1 > r) p3 = m + 1;
			else p4 = m;
		}
		ii ans = max(0, p1 - p4);
		if(l <= t && t <= r) ans++;
		cout << ans << '\n';
	}
}

Compilation message

worst_reporter3.cpp: In function 'ii main()':
worst_reporter3.cpp:26:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   26 |    ii m = p1 + p2 >> 1;
      |           ~~~^~~~
worst_reporter3.cpp:32:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |    ii m = p3 + p4 >> 1;
      |           ~~~^~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 475 ms 20684 KB Output is correct
2 Correct 507 ms 20664 KB Output is correct
3 Correct 485 ms 20628 KB Output is correct
4 Correct 477 ms 20636 KB Output is correct
5 Correct 471 ms 20700 KB Output is correct
6 Correct 500 ms 20644 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 336 KB Output is correct

Subtask #3
0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 475 ms 20684 KB Output is correct
2 Correct 507 ms 20664 KB Output is correct
3 Correct 485 ms 20628 KB Output is correct
4 Correct 477 ms 20636 KB Output is correct
5 Correct 471 ms 20700 KB Output is correct
6 Correct 500 ms 20644 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Runtime error 49 ms 9340 KB Execution killed with signal 8
14 Halted 0 ms 0 KB -