oj.uz

Submission #62918

# Submission time Handle Problem Language Result Execution time Memory
62918 2018-07-30T20:29:32 Z kingpig9 Worst Reporter 3 (JOI18_worst_reporter3) C++11
19 / 100
 1671 ms 263168 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 5e5 + 10;
const ll INF = 2e9;

#define debug(...) fprintf(stderr, __VA_ARGS__)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

int N, Q;
ll P[MAXN];

int moo (ll t, ll x) {
	int lo = 0, hi = N + 2;	//how many are >= x?
	while (hi - lo > 1) {
		int mid = (lo + hi) / 2;
		if (P[mid - 1] * (t / P[mid - 1]) - (mid - 1) >= x) {
			lo = mid;
		} else {
			hi = mid;
		}
	}
	return lo;
}

int main() {
	scanf("%d %d", &N, &Q);
	P[0] = 1;
	for (int i = 1; i <= N; i++) {
		ll d;
		scanf("%lld", &d);
		P[i] = ((d + P[i - 1] - 1) / P[i - 1]) * P[i - 1];
	}

	for (int qi = 0; qi < Q; qi++) {
		ll t, lt, rt;
		scanf("%lld %lld %lld", &t, &lt, &rt);
		printf("%d\n", moo(t, lt) - moo(t, rt + 1));
	}
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &Q);
  ~~~~~^~~~~~~~~~~~~~~~~
worst_reporter3.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &d);
   ~~~~~^~~~~~~~~~~~
worst_reporter3.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld", &t, &lt, &rt);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1256 ms 16704 KB Output is correct
2 Correct 1169 ms 17464 KB Output is correct
3 Correct 1572 ms 22316 KB Output is correct
4 Correct 1387 ms 27180 KB Output is correct
5 Correct 1449 ms 42568 KB Output is correct
6 Correct 1315 ms 57944 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 57944 KB Output is correct
2 Correct 3 ms 57944 KB Output is correct
3 Correct 3 ms 57944 KB Output is correct
4 Correct 3 ms 57944 KB Output is correct
5 Correct 4 ms 57944 KB Output is correct
6 Correct 3 ms 57944 KB Output is correct

Subtask #3
0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 1256 ms 16704 KB Output is correct
2 Correct 1169 ms 17464 KB Output is correct
3 Correct 1572 ms 22316 KB Output is correct
4 Correct 1387 ms 27180 KB Output is correct
5 Correct 1449 ms 42568 KB Output is correct
6 Correct 1315 ms 57944 KB Output is correct
7 Correct 4 ms 57944 KB Output is correct
8 Correct 3 ms 57944 KB Output is correct
9 Correct 3 ms 57944 KB Output is correct
10 Correct 3 ms 57944 KB Output is correct
11 Correct 4 ms 57944 KB Output is correct
12 Correct 3 ms 57944 KB Output is correct
13 Correct 1041 ms 71968 KB Output is correct
14 Correct 977 ms 88532 KB Output is correct
15 Correct 924 ms 103788 KB Output is correct
16 Correct 973 ms 119572 KB Output is correct
17 Correct 1258 ms 139452 KB Output is correct
18 Correct 1060 ms 158216 KB Output is correct
19 Correct 1091 ms 176676 KB Output is correct
20 Correct 1089 ms 187148 KB Output is correct
21 Correct 1203 ms 187148 KB Output is correct
22 Correct 1236 ms 187148 KB Output is correct
23 Correct 1130 ms 187168 KB Output is correct
24 Correct 1151 ms 187232 KB Output is correct
25 Correct 1671 ms 203260 KB Output is correct
26 Correct 1610 ms 218644 KB Output is correct
27 Correct 1141 ms 236136 KB Output is correct
28 Correct 1192 ms 254188 KB Output is correct
29 Runtime error 1171 ms 263168 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
30 Halted 0 ms 0 KB -