QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#721946#6531. Base Station ConstructionAgakissWA 102ms14872kbC++202.3kb2024-11-07 17:15:572024-11-07 17:15:57

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 17:15:57]
  • 评测
  • 测评结果:WA
  • 用时:102ms
  • 内存:14872kb
  • [2024-11-07 17:15:57]
  • 提交

answer

#include<bits/stdc++.h>
#define endl '\n'
//#define endl std::endl
#define i64 long long
#define pb push_back
#define pii std::pair<i64, i64>
#define INF 0x3f3f3f3f3f3f3f3f
const i64 N = 5e5 + 10;
i64 T, n, m, pos, ans;
i64 a[N], dp[N];
std::priority_queue<i64> pq;
struct tree {
	i64 val;
} t[N * 6];
struct rec {
	i64 l, r;
} p[N];
void pushup(i64 p) {
	t[p].val = std::min(t[p << 1].val, t[p << 1 | 1].val);
}
void add(i64 p, i64 l, i64 r, i64 x, i64 k) {
	if (l == r) {
		t[p].val = std::min(t[p].val, k);
		return;
	}
	i64 mid = (l + r) >> 1;
	if (x <= mid) add(p << 1, l, mid, x, k);
	else add(p << 1 | 1, mid + 1, r, x, k);
	pushup(p);
}
i64 query(i64 p, i64 l, i64 r, i64 x, i64 y) {
	if (y < x) return 0;
	if (x <= l && r <= y) return t[p].val;
	i64 mid = (l + r) >> 1, res = INF;
	if (x <= mid) res = std::min(res, query(p << 1, l, mid, x, y));
	if (y > mid) res = std::min(res, query(p << 1 | 1, mid + 1, r, x, y));
	return res;
}
int main() {
	std::ios::sync_with_stdio(false);
	std::cin.tie(0), std::cout.tie(0);
	std::cin >> T;
	while (T--) {
		std::cin >> n;
		for (i64 i = 1; i <= n; i++)
			std::cin >> a[i];
		std::cin >> m;
		for (i64 i = 1; i <= m; i++)
			std::cin >> p[i].l >> p[i].r;
		std::sort(p + 1, p + m + 1, [](auto x, auto y){ return x.r < y.r || x.r == y.r && x.l < y.l; });
		pos = 1;
		for (i64 i = 1; i <= n * 6; i++)
			t[i].val = INF;
		//std::cout << "*" << endl;
		while (!pq.empty()) pq.pop();
		pq.push(0);
		add(1, 0, n, 0, 0);
		for (int i = 1; i <= n; i++)
			dp[i] = INF;
		for (i64 i = 1; i <= n; i++) {
			while (p[pos].r < i && pos < m) pq.push(p[pos].l), pos++;
			dp[i] = query(1, 0, n, pq.top(), i - 1) + a[i];
			add(1, 0, n, i, dp[i]);
		//std::cout << "*" << endl;
		}
		//std::cout << "*" << endl;
		ans = INF;
		/*for (i64 i = 1; i <= n; i++)
			std::cout << dp[i] << " ";
		std::cout << endl;
		*/for (i64 i = p[m].l; i <= p[m].r; i++)
			ans = std::min(ans, dp[i]);
		std::cout << ans << endl;
		if (ans == 36) {

			std::cout << "----------------" << endl;
			std::cout << n << endl;
			for (i64 i = 1; i <= n; i++)
				std::cout << a[i] << " ";
			std::cout << endl;
			std::cout << m<<endl;
			for (i64 i = 1; i <= m; i++)
				std::cout << p[i].l << " " << p[i].r<< endl;
		}
 	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 9736kb

input:

2
5
3 2 4 1 100
3
1 3
2 4
5 5
5
7 3 4 2 2
3
1 4
2 3
4 5

output:

102
5

result:

ok 2 number(s): "102 5"

Test #2:

score: -100
Wrong Answer
time: 102ms
memory: 14872kb

input:

6201
12
88 78 46 95 84 98 55 3 68 42 6 18
19
6 9
10 11
12 12
8 11
8 12
2 3
2 3
1 5
9 9
7 8
6 11
2 4
12 12
2 4
2 9
7 10
8 8
1 7
6 11
5
76 27 48 66 61
2
1 4
3 5
8
64 81 20 6 86 9 4 55
1
7 7
9
1 43 18 81 11 22 9 61 83
14
5 6
2 6
5 8
1 4
9 9
9 9
7 7
2 5
8 9
5 6
4 8
5 8
9 9
6 6
10
66 41 84 7 80 31 22 96 ...

output:

141
48
4
126
303
141
23
170
159
139
153
194
136
89
230
93
287
89
124
130
148
27
1
193
36
----------------
16
36 57 36 67 94 84 16 59 83 55 82 97 26 28 33 34 
19
3 3
7 7
6 9
10 10
3 11
3 11
7 11
10 13
12 13
6 14
9 14
11 14
14 14
1 15
3 15
13 15
15 15
1 16
3 16
93
239
303
236
150
177
57
46
18
24
66
83...

result:

wrong answer 25th numbers differ - expected: '194', found: '36'