oj.uz

Submission #734884

# Submission time Handle Problem Language Result Execution time Memory
734884 2023-05-03T08:12:05 Z lukameladze Worst Reporter 3 (JOI18_worst_reporter3) C++14
100 / 100
 570 ms 29356 KB 
# include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
 #define int long long
#define pii pair <int, int>
#define pb push_back
const int N = 5e5 + 5;
int t,n,a[N], q, per[N], d[N];
int get_pos(int x, int tm) {
	return (tm / per[x]) * per[x] - x;
}
main() {
	std::ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>n>>q;
	for (int i = 1; i <= n; i++) {
		cin>>d[i];
	}
	per[0] = 1; per[1] = d[1];
	for (int i = 2; i <= n; i++) {
		per[i] = (d[i] + per[i - 1] - 1) / per[i - 1] * per[i - 1];
	}
	while (q--) {
		int t, l, r;
		cin>>t>>l>>r;
		int le = 0, ri = n, ans = -1, ans1 = n + 1;
		while (le <= ri) {
			int mid = (le + ri) / 2;
			if (get_pos(mid, t) >= l) {
				ans = mid;
				le = mid + 1;
			} else ri = mid - 1;
		}
		le = 0, ri = n;
		while (le <= ri) {
			int mid = (le + ri) / 2;
			if (get_pos(mid, t) <= r) {
				ans1 = mid; ri = mid - 1;
			} else le = mid + 1;
		}
		cout<<max(ans - ans1 + 1, 0LL)<<"\n";
	}
}

Compilation message

worst_reporter3.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main() {
      | ^~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 26588 KB Output is correct
2 Correct 543 ms 26604 KB Output is correct
3 Correct 528 ms 26792 KB Output is correct
4 Correct 527 ms 26620 KB Output is correct
5 Correct 555 ms 26604 KB Output is correct
6 Correct 570 ms 26528 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 2 ms 344 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 26588 KB Output is correct
2 Correct 543 ms 26604 KB Output is correct
3 Correct 528 ms 26792 KB Output is correct
4 Correct 527 ms 26620 KB Output is correct
5 Correct 555 ms 26604 KB Output is correct
6 Correct 570 ms 26528 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 2 ms 344 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 323 ms 25036 KB Output is correct
14 Correct 350 ms 25692 KB Output is correct
15 Correct 311 ms 24356 KB Output is correct
16 Correct 347 ms 24816 KB Output is correct
17 Correct 425 ms 29152 KB Output is correct
18 Correct 408 ms 29124 KB Output is correct
19 Correct 403 ms 29216 KB Output is correct
20 Correct 444 ms 29076 KB Output is correct
21 Correct 454 ms 29196 KB Output is correct
22 Correct 394 ms 29220 KB Output is correct
23 Correct 429 ms 29076 KB Output is correct
24 Correct 383 ms 29356 KB Output is correct
25 Correct 517 ms 26588 KB Output is correct
26 Correct 520 ms 26656 KB Output is correct
27 Correct 437 ms 28704 KB Output is correct
28 Correct 439 ms 29076 KB Output is correct
29 Correct 461 ms 28528 KB Output is correct
30 Correct 439 ms 28724 KB Output is correct
31 Correct 448 ms 28972 KB Output is correct
32 Correct 447 ms 25224 KB Output is correct
33 Correct 0 ms 324 KB Output is correct