Submission #302139

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
302139	2020-09-18T13:26:46 Z	edenooo	역사적 조사 (JOI14_historical)	C++17	5 / 100	4000 ms	99704 KB

historic

#include<bits/stdc++.h>
using namespace std;
 
#define INF 1234567890
#define ll long long

inline int64_t gilbertOrder(int x, int y, int pow, int rotate) {
	if (pow == 0) {
		return 0;
	}
	int hpow = 1 << (pow-1);
	int seg = (x < hpow) ? (
		(y < hpow) ? 0 : 3
	) : (
		(y < hpow) ? 1 : 2
	);
	seg = (seg + rotate) & 3;
	const int rotateDelta[4] = {3, 0, 0, 1};
	int nx = x & (x ^ hpow), ny = y & (y ^ hpow);
	int nrot = (rotate + rotateDelta[seg]) & 3;
	int64_t subSquareSize = int64_t(1) << (2*pow - 2);
	int64_t ans = seg * subSquareSize;
	int64_t add = gilbertOrder(nx, ny, pow-1, nrot);
	ans += (seg == 1 || seg == 2) ? add : (subSquareSize - add - 1);
	return ans;
}
 
struct Node {
	int l, r, i;
	int64_t ord;
 
	inline void calcOrder() {
		ord = gilbertOrder(l, r, 21, 0);
	}
};
 
inline bool operator<(const Node &a, const Node &b) {
	return a.ord < b.ord;
}

int N, Q;
int A[100101], B[100101], cnt[100101];
ll res[100101];
vector<Node> q;
priority_queue<ll> pq, del;
vector<int> com;

int main()
{
	scanf("%d %d", &N, &Q);
	for(int i=1; i<=N; i++)
	{
		scanf("%d", &A[i]);
		com.push_back(A[i]);
	}
	// 좌표 압축
	sort(com.begin(), com.end());
	com.erase(unique(com.begin(), com.end()), com.end());
	for(int i=1; i<=N; i++)
		B[i] = lower_bound(com.begin(), com.end(), A[i]) - com.begin();

	// 오프라인 쿼리
	for(int i=1; i<=Q; i++)
	{
		int l, r;
		scanf("%d %d", &l, &r);
		q.push_back({l, r, i});
	}
	sort(q.begin(), q.end());

	// MO's
	int l = 1, r = 0; // [l, r]
	for(int i=0; i<q.size(); i++)
	{
		int nl = q[i].l, nr = q[i].r, idx = q[i].i;
		while(r < nr)
		{
			r++;
			if (cnt[B[r]]) del.push((ll)A[r]*cnt[B[r]]);
			cnt[B[r]]++;
			pq.push((ll)A[r]*cnt[B[r]]);
		}
		while(l < nl)
		{
			del.push((ll)A[l]*cnt[B[l]]);
			cnt[B[l]]--;
			if (cnt[B[l]]) pq.push((ll)A[l]*cnt[B[l]]);
			l++;
		}
		while(nl < l)
		{
			l--;
			if (cnt[B[l]]) del.push((ll)A[l]*cnt[B[l]]);
			cnt[B[l]]++;
			pq.push((ll)A[l]*cnt[B[l]]);
		}
		while(nr < r)
		{
			del.push((ll)A[r]*cnt[B[r]]);
			cnt[B[r]]--;
			if (cnt[B[r]]) pq.push((ll)A[r]*cnt[B[r]]);
			r--;
		}

		while(!pq.empty() && !del.empty() && pq.top() == del.top())
			pq.pop(), del.pop();
		// 구간이 비는 경우는 없다.
		res[idx] = pq.top();
	}

	for(int i=1; i<=Q; i++)
		printf("%lld\n", res[i]);
	return 0;
}

Compilation message

historic.cpp: In function 'int main()':
historic.cpp:73:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for(int i=0; i<q.size(); i++)
      |               ~^~~~~~~~~
historic.cpp:50:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |  scanf("%d %d", &N, &Q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
historic.cpp:53:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |   scanf("%d", &A[i]);
      |   ~~~~~^~~~~~~~~~~~~
historic.cpp:66:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   66 |   scanf("%d %d", &l, &r);
      |   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	4 ms	512 KB	Output is correct
17	Correct	15 ms	896 KB	Output is correct
18	Correct	66 ms	1644 KB	Output is correct
19	Correct	304 ms	4808 KB	Output is correct
20	Correct	1424 ms	8900 KB	Output is correct
21	Correct	3797 ms	13248 KB	Output is correct
22	Correct	3650 ms	25632 KB	Output is correct
23	Correct	3530 ms	4132 KB	Output is correct
24	Correct	3632 ms	6944 KB	Output is correct
25	Correct	3265 ms	99704 KB	Output is correct
26	Execution timed out	4038 ms	50292 KB	Time limit exceeded
27	Halted	0 ms	0 KB	-

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	10 ms	640 KB	Output is correct
5	Correct	200 ms	2496 KB	Output is correct
6	Correct	93 ms	1060 KB	Output is correct
7	Correct	102 ms	4272 KB	Output is correct
8	Correct	31 ms	2292 KB	Output is correct
9	Correct	286 ms	13884 KB	Output is correct
10	Correct	2520 ms	2936 KB	Output is correct
11	Execution timed out	4024 ms	8420 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #4
0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	4 ms	512 KB	Output is correct
17	Correct	15 ms	896 KB	Output is correct
18	Correct	66 ms	1644 KB	Output is correct
19	Correct	304 ms	4808 KB	Output is correct
20	Correct	1424 ms	8900 KB	Output is correct
21	Correct	3797 ms	13248 KB	Output is correct
22	Correct	3650 ms	25632 KB	Output is correct
23	Correct	3530 ms	4132 KB	Output is correct
24	Correct	3632 ms	6944 KB	Output is correct
25	Correct	3265 ms	99704 KB	Output is correct
26	Execution timed out	4038 ms	50292 KB	Time limit exceeded
27	Halted	0 ms	0 KB	-

Submission #302139

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 0 / 10.0

Subtask #3 0 / 25.0

Subtask #4 0 / 60.0

Subtask #1
5.0 / 5.0

Subtask #2
0 / 10.0

Subtask #3
0 / 25.0

Subtask #4
0 / 60.0