// M
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 100005;
int n, m, T[N], L[N], R[N], C[N], P[N], rev[N];
ll D[N];
vector < int > vec;
priority_queue < pair < ll , int > > Pq;
set < pair < int , int > > ST[2][N];
inline void Add(int w, int i, pair < int , int > val)
{
for (; i < N; i += i & - i)
ST[w][i].insert(val);
}
inline void Get(int w, int i, int ri)
{
for (; i; i -= i & - i)
while (ST[w][i].size() && ST[w][i].begin()->first <= ri)
{
if (D[ST[w][i].begin()->second] == -1)
vec.push_back(ST[w][i].begin()->second);
ST[w][i].erase(ST[w][i].begin());
}
}
int main()
{
scanf("%d%d", &n, &m);
for (int i = 1; i <= m; i ++)
scanf("%d%d%d%d", &T[i], &L[i], &R[i], &C[i]), R[i] ++;
iota(P + 1, P + m + 1, 1);
sort(P + 1, P + m + 1, [&](int i, int j){return T[i] < T[j];});
for (int i = 1; i <= m; i ++)
rev[P[i]] = i;
for (int i = m; i; i --)
Add(0, m - i + 1, make_pair(L[P[i]] + T[P[i]], P[i]));
for (int i = 1; i <= m; i ++)
Add(1, i, make_pair(L[P[i]] - T[P[i]], P[i]));
memset(D, -1, sizeof(D));
for (int i = 1; i <= m; i ++)
if (L[i] == 1)
D[i] = C[i], Pq.push({-D[i], i});
while (Pq.size())
{
ll d = - Pq.top().first;
int v = Pq.top().second;
Pq.pop();
if (R[v] == n + 1)
return !printf("%lld\n", d);
vec.clear();
Get(0, m - rev[v], R[v] + T[v]);
Get(1, rev[v] - 1, R[v] - T[v]);
for (int u : vec)
if (D[u] == -1)
D[u] = D[v] + C[u], Pq.push({-D[u], u});
}
return !printf("-1\n");
}
Compilation message
treatment.cpp: In function 'int main()':
treatment.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
28 | scanf("%d%d", &n, &m);
| ~~~~~^~~~~~~~~~~~~~~~
treatment.cpp:30:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
30 | scanf("%d%d%d%d", &T[i], &L[i], &R[i], &C[i]), R[i] ++;
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1071 ms |
98544 KB |
Output is correct |
2 |
Correct |
755 ms |
98552 KB |
Output is correct |
3 |
Correct |
1070 ms |
98752 KB |
Output is correct |
4 |
Correct |
920 ms |
98812 KB |
Output is correct |
5 |
Correct |
600 ms |
100596 KB |
Output is correct |
6 |
Correct |
694 ms |
98636 KB |
Output is correct |
7 |
Correct |
525 ms |
98424 KB |
Output is correct |
8 |
Correct |
569 ms |
98516 KB |
Output is correct |
9 |
Correct |
425 ms |
98460 KB |
Output is correct |
10 |
Correct |
488 ms |
98424 KB |
Output is correct |
11 |
Correct |
559 ms |
100976 KB |
Output is correct |
12 |
Correct |
752 ms |
100968 KB |
Output is correct |
13 |
Correct |
1008 ms |
100560 KB |
Output is correct |
14 |
Correct |
971 ms |
100592 KB |
Output is correct |
15 |
Correct |
1287 ms |
98512 KB |
Output is correct |
16 |
Correct |
1154 ms |
98504 KB |
Output is correct |
17 |
Correct |
1072 ms |
97784 KB |
Output is correct |
18 |
Correct |
592 ms |
100164 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
10496 KB |
Output is correct |
2 |
Correct |
7 ms |
10496 KB |
Output is correct |
3 |
Correct |
8 ms |
10656 KB |
Output is correct |
4 |
Correct |
7 ms |
10496 KB |
Output is correct |
5 |
Correct |
7 ms |
10496 KB |
Output is correct |
6 |
Correct |
7 ms |
10496 KB |
Output is correct |
7 |
Correct |
7 ms |
10604 KB |
Output is correct |
8 |
Correct |
8 ms |
10496 KB |
Output is correct |
9 |
Correct |
7 ms |
10496 KB |
Output is correct |
10 |
Correct |
7 ms |
10496 KB |
Output is correct |
11 |
Correct |
8 ms |
10496 KB |
Output is correct |
12 |
Correct |
8 ms |
10496 KB |
Output is correct |
13 |
Correct |
9 ms |
10496 KB |
Output is correct |
14 |
Correct |
8 ms |
10496 KB |
Output is correct |
15 |
Correct |
7 ms |
10496 KB |
Output is correct |
16 |
Correct |
8 ms |
10496 KB |
Output is correct |
17 |
Correct |
8 ms |
10496 KB |
Output is correct |
18 |
Correct |
8 ms |
10496 KB |
Output is correct |
19 |
Correct |
7 ms |
10496 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
10496 KB |
Output is correct |
2 |
Correct |
7 ms |
10496 KB |
Output is correct |
3 |
Correct |
8 ms |
10656 KB |
Output is correct |
4 |
Correct |
7 ms |
10496 KB |
Output is correct |
5 |
Correct |
7 ms |
10496 KB |
Output is correct |
6 |
Correct |
7 ms |
10496 KB |
Output is correct |
7 |
Correct |
7 ms |
10604 KB |
Output is correct |
8 |
Correct |
8 ms |
10496 KB |
Output is correct |
9 |
Correct |
7 ms |
10496 KB |
Output is correct |
10 |
Correct |
7 ms |
10496 KB |
Output is correct |
11 |
Correct |
8 ms |
10496 KB |
Output is correct |
12 |
Correct |
8 ms |
10496 KB |
Output is correct |
13 |
Correct |
9 ms |
10496 KB |
Output is correct |
14 |
Correct |
8 ms |
10496 KB |
Output is correct |
15 |
Correct |
7 ms |
10496 KB |
Output is correct |
16 |
Correct |
8 ms |
10496 KB |
Output is correct |
17 |
Correct |
8 ms |
10496 KB |
Output is correct |
18 |
Correct |
8 ms |
10496 KB |
Output is correct |
19 |
Correct |
7 ms |
10496 KB |
Output is correct |
20 |
Correct |
35 ms |
15992 KB |
Output is correct |
21 |
Correct |
33 ms |
16000 KB |
Output is correct |
22 |
Correct |
31 ms |
16000 KB |
Output is correct |
23 |
Correct |
30 ms |
15992 KB |
Output is correct |
24 |
Correct |
34 ms |
16120 KB |
Output is correct |
25 |
Correct |
44 ms |
15992 KB |
Output is correct |
26 |
Correct |
42 ms |
16068 KB |
Output is correct |
27 |
Correct |
41 ms |
16028 KB |
Output is correct |
28 |
Correct |
39 ms |
16180 KB |
Output is correct |
29 |
Correct |
36 ms |
16000 KB |
Output is correct |
30 |
Correct |
32 ms |
15992 KB |
Output is correct |
31 |
Correct |
35 ms |
16052 KB |
Output is correct |
32 |
Correct |
39 ms |
16120 KB |
Output is correct |
33 |
Correct |
34 ms |
16128 KB |
Output is correct |
34 |
Correct |
36 ms |
16040 KB |
Output is correct |
35 |
Correct |
34 ms |
16128 KB |
Output is correct |
36 |
Correct |
34 ms |
16120 KB |
Output is correct |
37 |
Correct |
35 ms |
16000 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1071 ms |
98544 KB |
Output is correct |
2 |
Correct |
755 ms |
98552 KB |
Output is correct |
3 |
Correct |
1070 ms |
98752 KB |
Output is correct |
4 |
Correct |
920 ms |
98812 KB |
Output is correct |
5 |
Correct |
600 ms |
100596 KB |
Output is correct |
6 |
Correct |
694 ms |
98636 KB |
Output is correct |
7 |
Correct |
525 ms |
98424 KB |
Output is correct |
8 |
Correct |
569 ms |
98516 KB |
Output is correct |
9 |
Correct |
425 ms |
98460 KB |
Output is correct |
10 |
Correct |
488 ms |
98424 KB |
Output is correct |
11 |
Correct |
559 ms |
100976 KB |
Output is correct |
12 |
Correct |
752 ms |
100968 KB |
Output is correct |
13 |
Correct |
1008 ms |
100560 KB |
Output is correct |
14 |
Correct |
971 ms |
100592 KB |
Output is correct |
15 |
Correct |
1287 ms |
98512 KB |
Output is correct |
16 |
Correct |
1154 ms |
98504 KB |
Output is correct |
17 |
Correct |
1072 ms |
97784 KB |
Output is correct |
18 |
Correct |
592 ms |
100164 KB |
Output is correct |
19 |
Correct |
7 ms |
10496 KB |
Output is correct |
20 |
Correct |
7 ms |
10496 KB |
Output is correct |
21 |
Correct |
8 ms |
10656 KB |
Output is correct |
22 |
Correct |
7 ms |
10496 KB |
Output is correct |
23 |
Correct |
7 ms |
10496 KB |
Output is correct |
24 |
Correct |
7 ms |
10496 KB |
Output is correct |
25 |
Correct |
7 ms |
10604 KB |
Output is correct |
26 |
Correct |
8 ms |
10496 KB |
Output is correct |
27 |
Correct |
7 ms |
10496 KB |
Output is correct |
28 |
Correct |
7 ms |
10496 KB |
Output is correct |
29 |
Correct |
8 ms |
10496 KB |
Output is correct |
30 |
Correct |
8 ms |
10496 KB |
Output is correct |
31 |
Correct |
9 ms |
10496 KB |
Output is correct |
32 |
Correct |
8 ms |
10496 KB |
Output is correct |
33 |
Correct |
7 ms |
10496 KB |
Output is correct |
34 |
Correct |
8 ms |
10496 KB |
Output is correct |
35 |
Correct |
8 ms |
10496 KB |
Output is correct |
36 |
Correct |
8 ms |
10496 KB |
Output is correct |
37 |
Correct |
7 ms |
10496 KB |
Output is correct |
38 |
Correct |
35 ms |
15992 KB |
Output is correct |
39 |
Correct |
33 ms |
16000 KB |
Output is correct |
40 |
Correct |
31 ms |
16000 KB |
Output is correct |
41 |
Correct |
30 ms |
15992 KB |
Output is correct |
42 |
Correct |
34 ms |
16120 KB |
Output is correct |
43 |
Correct |
44 ms |
15992 KB |
Output is correct |
44 |
Correct |
42 ms |
16068 KB |
Output is correct |
45 |
Correct |
41 ms |
16028 KB |
Output is correct |
46 |
Correct |
39 ms |
16180 KB |
Output is correct |
47 |
Correct |
36 ms |
16000 KB |
Output is correct |
48 |
Correct |
32 ms |
15992 KB |
Output is correct |
49 |
Correct |
35 ms |
16052 KB |
Output is correct |
50 |
Correct |
39 ms |
16120 KB |
Output is correct |
51 |
Correct |
34 ms |
16128 KB |
Output is correct |
52 |
Correct |
36 ms |
16040 KB |
Output is correct |
53 |
Correct |
34 ms |
16128 KB |
Output is correct |
54 |
Correct |
34 ms |
16120 KB |
Output is correct |
55 |
Correct |
35 ms |
16000 KB |
Output is correct |
56 |
Correct |
721 ms |
99140 KB |
Output is correct |
57 |
Correct |
651 ms |
98932 KB |
Output is correct |
58 |
Correct |
575 ms |
97656 KB |
Output is correct |
59 |
Correct |
736 ms |
98056 KB |
Output is correct |
60 |
Correct |
822 ms |
98680 KB |
Output is correct |
61 |
Correct |
732 ms |
97764 KB |
Output is correct |
62 |
Correct |
752 ms |
99060 KB |
Output is correct |
63 |
Correct |
499 ms |
98552 KB |
Output is correct |
64 |
Correct |
422 ms |
98552 KB |
Output is correct |
65 |
Correct |
1218 ms |
98708 KB |
Output is correct |
66 |
Correct |
536 ms |
98680 KB |
Output is correct |
67 |
Correct |
952 ms |
99320 KB |
Output is correct |
68 |
Correct |
1088 ms |
99144 KB |
Output is correct |
69 |
Correct |
766 ms |
99240 KB |
Output is correct |
70 |
Correct |
995 ms |
99420 KB |
Output is correct |
71 |
Correct |
889 ms |
99192 KB |
Output is correct |
72 |
Correct |
740 ms |
99192 KB |
Output is correct |
73 |
Correct |
979 ms |
99344 KB |
Output is correct |
74 |
Correct |
513 ms |
99224 KB |
Output is correct |
75 |
Correct |
489 ms |
99320 KB |
Output is correct |
76 |
Correct |
653 ms |
101484 KB |
Output is correct |
77 |
Correct |
662 ms |
100564 KB |
Output is correct |
78 |
Correct |
867 ms |
100940 KB |
Output is correct |
79 |
Correct |
1020 ms |
99316 KB |
Output is correct |
80 |
Correct |
974 ms |
98936 KB |
Output is correct |
81 |
Correct |
561 ms |
99192 KB |
Output is correct |
82 |
Correct |
977 ms |
98240 KB |
Output is correct |
83 |
Correct |
994 ms |
98452 KB |
Output is correct |
84 |
Correct |
1134 ms |
98556 KB |
Output is correct |
85 |
Correct |
765 ms |
99320 KB |
Output is correct |
86 |
Correct |
837 ms |
99332 KB |
Output is correct |
87 |
Correct |
795 ms |
99320 KB |
Output is correct |
88 |
Correct |
669 ms |
99192 KB |
Output is correct |
89 |
Correct |
773 ms |
99320 KB |
Output is correct |
90 |
Correct |
590 ms |
101744 KB |
Output is correct |
91 |
Correct |
559 ms |
99296 KB |
Output is correct |
92 |
Correct |
843 ms |
99192 KB |
Output is correct |
93 |
Correct |
933 ms |
99192 KB |
Output is correct |
94 |
Correct |
919 ms |
99480 KB |
Output is correct |
95 |
Correct |
874 ms |
99192 KB |
Output is correct |
96 |
Correct |
640 ms |
100464 KB |
Output is correct |
97 |
Correct |
666 ms |
101452 KB |
Output is correct |
98 |
Correct |
648 ms |
101372 KB |
Output is correct |
99 |
Correct |
667 ms |
101440 KB |
Output is correct |
100 |
Correct |
659 ms |
101736 KB |
Output is correct |
101 |
Correct |
751 ms |
101424 KB |
Output is correct |
102 |
Correct |
578 ms |
101724 KB |
Output is correct |
103 |
Correct |
700 ms |
99580 KB |
Output is correct |