oj.uz

Submission #59588

# Submission time Handle Problem Language Result Execution time Memory
59588 2018-07-22T14:05:44 Z gusfring Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 165688 KB 
#include<stdio.h>
#include<algorithm>
using namespace std;

typedef long long ll;

int n, m;

struct st {
	ll mini[2] = { (ll)1e18,(ll)1e18 };
	st *left=NULL, *right=NULL;
}tree;

void update(st *h, int l, int r, int g,ll x, int type) {
	if (r < g || g < l) return;
	h->mini[type] = min(h->mini[type], x);
	if (l != r) {
		if (!h->left) h->left = new st;
		if (!h->right) h->right = new st;
		update(h->left, l, (l + r) / 2, g, x, type);
		update(h->right, (l + r) / 2+1,r, g, x, type);
	}
}
ll query(st *h, int l, int r, int gl, int gr, int type) {
	if (r < gl || gr < l) return 1e18;
	if (gl <= l && r <= gr) return h->mini[type];
	if (!h->left) h->left = new st;
	if (!h->right) h->right = new st;
	return min(query(h->left, l, (l + r) / 2, gl, gr, type),
		query(h->right, (l + r) / 2 + 1, r, gl, gr, type));
}
int main() {
	scanf("%d %d", &m, &n);
	st *rt = new st;
	update(rt, 1, n, 1, 0, 0);
	update(rt, 1, n, n, 0, 1);
	ll res = 1e18;
	for (int i = 0; i < m; i++) {
		int a, b, c, d;
		scanf("%d %d %d %d", &a, &b, &c, &d);
		ll ql = query(rt, 1, n, a, b, 0), qr = query(rt, 1, n, a, b, 1);
		res = min(res, ql+qr+d);
		update(rt, 1, n, c, ql+d, 0);
		update(rt, 1, n, c, qr+d, 1);
	}
	printf("%lld", res==1e18?-1:res);
	return 0;
}

Compilation message

pinball.cpp: In function 'int main()':
pinball.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &m, &n);
  ~~~~~^~~~~~~~~~~~~~~~~
pinball.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &a, &b, &c, &d);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 368 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 500 KB Output is correct
6 Correct 2 ms 652 KB Output is correct
7 Correct 1 ms 652 KB Output is correct
8 Correct 3 ms 652 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 368 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 500 KB Output is correct
6 Correct 2 ms 652 KB Output is correct
7 Correct 1 ms 652 KB Output is correct
8 Correct 3 ms 652 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 6 ms 936 KB Output is correct
12 Correct 5 ms 1588 KB Output is correct
13 Correct 6 ms 1736 KB Output is correct
14 Correct 5 ms 1760 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 368 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 500 KB Output is correct
6 Correct 2 ms 652 KB Output is correct
7 Correct 1 ms 652 KB Output is correct
8 Correct 3 ms 652 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 6 ms 936 KB Output is correct
12 Correct 5 ms 1588 KB Output is correct
13 Correct 6 ms 1736 KB Output is correct
14 Correct 5 ms 1760 KB Output is correct
15 Correct 3 ms 1760 KB Output is correct
16 Correct 4 ms 1760 KB Output is correct
17 Correct 10 ms 2424 KB Output is correct
18 Correct 6 ms 2424 KB Output is correct
19 Correct 14 ms 4972 KB Output is correct
20 Correct 9 ms 4972 KB Output is correct
21 Correct 6 ms 4972 KB Output is correct
22 Correct 11 ms 5060 KB Output is correct
23 Correct 13 ms 5748 KB Output is correct
24 Correct 13 ms 5788 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 368 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 500 KB Output is correct
6 Correct 2 ms 652 KB Output is correct
7 Correct 1 ms 652 KB Output is correct
8 Correct 3 ms 652 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 6 ms 936 KB Output is correct
12 Correct 5 ms 1588 KB Output is correct
13 Correct 6 ms 1736 KB Output is correct
14 Correct 5 ms 1760 KB Output is correct
15 Correct 3 ms 1760 KB Output is correct
16 Correct 4 ms 1760 KB Output is correct
17 Correct 10 ms 2424 KB Output is correct
18 Correct 6 ms 2424 KB Output is correct
19 Correct 14 ms 4972 KB Output is correct
20 Correct 9 ms 4972 KB Output is correct
21 Correct 6 ms 4972 KB Output is correct
22 Correct 11 ms 5060 KB Output is correct
23 Correct 13 ms 5748 KB Output is correct
24 Correct 13 ms 5788 KB Output is correct
25 Correct 64 ms 8644 KB Output is correct
26 Correct 228 ms 42856 KB Output is correct
27 Correct 656 ms 73920 KB Output is correct
28 Correct 320 ms 73920 KB Output is correct
29 Correct 467 ms 93652 KB Output is correct
30 Correct 721 ms 93652 KB Output is correct
31 Execution timed out 1092 ms 165688 KB Time limit exceeded
32 Halted 0 ms 0 KB -