oj.uz

답안 #102575

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
102575 2019-03-26T02:05:35 Z TMJN Examination (JOI19_examination) C++14
2 / 100
 3000 ms 100728 KB 
#include <bits/stdc++.h>
#define mod 1000000007
#define sp ' '
#define intmax 2147483647
#define llmax 9223372036854775807
#define mkp make_pair
typedef long long ll;
using namespace std;

struct T{
	int data, sl, sr, tl, tr, next;
};

int N, Q, s[100000], t[100000], x, y, z;
vector<int>svec, tvec;
vector<T>tree;

void update(int k, int s, int t) {
	if (tree[k].sl <= s&&s <= tree[k].sr&&tree[k].tl <= t&&t <= tree[k].tr) {
		if (tree[k].sl == tree[k].sr&&tree[k].tl == tree[k].tr) {
			++tree[k].data;
		}
		else {
			if (tree[k].next == -1) {
				tree[k].next = tree.size();
				tree.push_back({ 0,tree[k].sl,(tree[k].sl + tree[k].sr) / 2,tree[k].tl,(tree[k].tl + tree[k].tr) / 2,-1 });
				tree.push_back({ 0,tree[k].sl,(tree[k].sl + tree[k].sr) / 2,(tree[k].tl + tree[k].tr) / 2 + 1,tree[k].tr,-1 });
				tree.push_back({ 0,(tree[k].sl + tree[k].sr) / 2 + 1,tree[k].sr,tree[k].tl,(tree[k].tl + tree[k].tr) / 2,-1 });
				tree.push_back({ 0,(tree[k].sl + tree[k].sr) / 2 + 1,tree[k].sr,(tree[k].tl + tree[k].tr) / 2 + 1,tree[k].tr,-1 });
			}
			update(tree[k].next, s, t);
			update(tree[k].next + 1, s, t);
			update(tree[k].next + 2, s, t);
			update(tree[k].next + 3, s, t);
			tree[k].data = tree[tree[k].next].data + tree[tree[k].next + 1].data + tree[tree[k].next + 2].data + tree[tree[k].next + 3].data;
		}
	}
}

int calc(int k) {
	if (tree[k].data == 0)return 0;
	if (svec[tree[k].sr] < x || tvec[tree[k].tr] < y || svec[tree[k].sr] + tvec[tree[k].tr] < z)return 0;
	if (x <= svec[tree[k].sl] && y <= tvec[tree[k].tl] && z <= svec[tree[k].sl] + tvec[tree[k].tl])return tree[k].data;
	return calc(tree[k].next) + calc(tree[k].next + 1) + calc(tree[k].next + 2) + calc(tree[k].next + 3);
}

int main() {
	scanf("%d%d", &N, &Q);
	for (int i = 0; i < N; ++i) {
		scanf("%d%d", &s[i], &t[i]);
		svec.push_back(s[i]);
		tvec.push_back(t[i]);
	}
	sort(svec.begin(), svec.end());
	svec.erase(unique(svec.begin(), svec.end()), svec.end());
	sort(tvec.begin(), tvec.end());
	tvec.erase(unique(tvec.begin(), tvec.end()), tvec.end());
	tree.push_back({ 0,0,(int)svec.size() - 1,0,(int)tvec.size() - 1,-1 });
	for (int i = 0; i < N; ++i) {
		update(0, lower_bound(svec.begin(), svec.end(), s[i]) - svec.begin(), lower_bound(tvec.begin(), tvec.end(), t[i]) - tvec.begin());
	}
	for (int i = 0; i < Q; ++i) {
		scanf("%d%d%d", &x, &y, &z);
		printf("%d\n", calc(0));
	}
}

Compilation message

examination.cpp: In function 'int main()':
examination.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &Q);
  ~~~~~^~~~~~~~~~~~~~~~
examination.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &s[i], &t[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
examination.cpp:63:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &z);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 29 ms 3712 KB Output is correct
8 Correct 29 ms 3712 KB Output is correct
9 Correct 37 ms 3712 KB Output is correct
10 Correct 16 ms 2180 KB Output is correct
11 Correct 19 ms 2052 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 42 ms 3712 KB Output is correct
14 Correct 35 ms 3584 KB Output is correct
15 Correct 31 ms 3584 KB Output is correct
16 Correct 10 ms 972 KB Output is correct
17 Correct 10 ms 972 KB Output is correct
18 Correct 4 ms 384 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3032 ms 100728 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3032 ms 100728 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 29 ms 3712 KB Output is correct
8 Correct 29 ms 3712 KB Output is correct
9 Correct 37 ms 3712 KB Output is correct
10 Correct 16 ms 2180 KB Output is correct
11 Correct 19 ms 2052 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 42 ms 3712 KB Output is correct
14 Correct 35 ms 3584 KB Output is correct
15 Correct 31 ms 3584 KB Output is correct
16 Correct 10 ms 972 KB Output is correct
17 Correct 10 ms 972 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Execution timed out 3032 ms 100728 KB Time limit exceeded
20 Halted 0 ms 0 KB -