#include <bits/stdc++.h>
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
using namespace std;
typedef pair < long long, long long > pll;
typedef unsigned long long ull;
typedef pair < int, int > pii;
typedef vector < pii > vpii;
typedef vector < int > vi;
typedef long double ldb;
typedef long long ll;
typedef double db;
const int inf = 1e9, maxn = 4e5 + 148, mod = 1e9 + 7, N = 1e5 + 11;
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 333;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = 3.14159265359;
const ll INF = 1e18;
ll d[N];
vi xx, toDel;
int n, m, x[N];
vpii T[N << 2][2];
set < pair < ll, int > > q;
struct project {
ll c;
int t, l, r;
} a[N];
void add (int pos, int lvl, pii x, int v = 1, int tl = 0, int tr = sz(xx) - 1) {
T[v][lvl].pb(x);
if (tl == tr)
return;
int tm = (tl + tr) >> 1;
if (pos <= tm)
add(pos, lvl, x, v << 1, tl, tm);
else
add(pos, lvl, x, v << 1 | 1, tm + 1, tr);
}
void f (int l, int r, int lvl, int X, ll Y, int v = 1, int tl = 0, int tr = sz(xx) - 1) {
if (l > r || l > tr || tl > r)
return;
if (l <= tl && tr <= r) {
while (sz(T[v][lvl]) && T[v][lvl].back().f <= X) {
int i = T[v][lvl].back().s;
if (d[i] == -1) {
d[i] = Y + a[i].c;
q.insert({d[i], i});
}
T[v][lvl].ppb();
}
return;
}
int tm = (tl + tr) >> 1;
f(l, r, lvl, X, Y, v << 1, tl, tm);
f(l, r, lvl, X, Y, v << 1 | 1, tm + 1, tr);
}
void Sort (int v = 1, int tl = 0, int tr = sz(xx) - 1) {
sort(all(T[v][0]));
sort(all(T[v][1]));
reverse(all(T[v][0]));
reverse(all(T[v][1]));
if (tl == tr)
return;
int tm = (tl + tr) >> 1;
Sort(v << 1, tl, tm);
Sort(v << 1 | 1, tm + 1, tr);
}
main () {
memset(d, -1, sizeof(d));
scanf("%d%d", &n, &m);
for (int i = 1; i <= m; ++i) {
scanf("%d%d%d%lld", &a[i].t, &a[i].l, &a[i].r, &a[i].c);
++a[i].r;
xx.pb(a[i].t);
}
sort(all(xx));
xx.resize(unique(all(xx)) - xx.begin());
for (int i = 1; i <= m; ++i) {
x[i] = lower_bound(all(xx), a[i].t) - xx.begin();
if (a[i].l == 1) {
d[i] = a[i].c;
q.insert({d[i], i});
} else {
add(x[i], 0, {a[i].l + a[i].t, i});
add(x[i], 1, {a[i].l - a[i].t, i});
}
}
Sort();
while (sz(q)) {
int v = q.begin()->s;
q.erase(q.begin());
f(x[v], m - 1, 0, a[v].r + a[v].t, d[v]);
f(0, x[v], 1, a[v].r - a[v].t, d[v]);
}
ll mn = INF;
for (int i = 1; i <= m; ++i)
if (a[i].r == n + 1 && d[i] > -1)
mn = min(mn, d[i]);
if (mn == INF)
mn = -1;
printf("%lld\n", mn);
}
Compilation message
treatment.cpp:101:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main () {
^
treatment.cpp: In function 'int main()':
treatment.cpp:103:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~
treatment.cpp:105:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d%lld", &a[i].t, &a[i].l, &a[i].r, &a[i].c);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
96 ms |
25452 KB |
Output is correct |
2 |
Correct |
98 ms |
25580 KB |
Output is correct |
3 |
Correct |
118 ms |
26856 KB |
Output is correct |
4 |
Correct |
114 ms |
25964 KB |
Output is correct |
5 |
Correct |
140 ms |
30572 KB |
Output is correct |
6 |
Correct |
117 ms |
25016 KB |
Output is correct |
7 |
Correct |
102 ms |
24848 KB |
Output is correct |
8 |
Correct |
86 ms |
25580 KB |
Output is correct |
9 |
Correct |
84 ms |
25016 KB |
Output is correct |
10 |
Correct |
86 ms |
24848 KB |
Output is correct |
11 |
Correct |
171 ms |
30988 KB |
Output is correct |
12 |
Correct |
156 ms |
30912 KB |
Output is correct |
13 |
Correct |
148 ms |
29048 KB |
Output is correct |
14 |
Correct |
149 ms |
29068 KB |
Output is correct |
15 |
Correct |
127 ms |
24992 KB |
Output is correct |
16 |
Correct |
117 ms |
25020 KB |
Output is correct |
17 |
Correct |
110 ms |
25036 KB |
Output is correct |
18 |
Correct |
143 ms |
30868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
19840 KB |
Output is correct |
2 |
Correct |
16 ms |
19968 KB |
Output is correct |
3 |
Correct |
15 ms |
19968 KB |
Output is correct |
4 |
Correct |
15 ms |
19968 KB |
Output is correct |
5 |
Correct |
15 ms |
19968 KB |
Output is correct |
6 |
Correct |
16 ms |
19840 KB |
Output is correct |
7 |
Correct |
16 ms |
19840 KB |
Output is correct |
8 |
Correct |
16 ms |
19840 KB |
Output is correct |
9 |
Correct |
17 ms |
19888 KB |
Output is correct |
10 |
Correct |
18 ms |
19840 KB |
Output is correct |
11 |
Correct |
15 ms |
19840 KB |
Output is correct |
12 |
Correct |
17 ms |
19956 KB |
Output is correct |
13 |
Correct |
15 ms |
19840 KB |
Output is correct |
14 |
Correct |
16 ms |
19840 KB |
Output is correct |
15 |
Correct |
16 ms |
19840 KB |
Output is correct |
16 |
Correct |
15 ms |
19840 KB |
Output is correct |
17 |
Correct |
16 ms |
19968 KB |
Output is correct |
18 |
Correct |
16 ms |
19968 KB |
Output is correct |
19 |
Correct |
16 ms |
19840 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
19840 KB |
Output is correct |
2 |
Correct |
16 ms |
19968 KB |
Output is correct |
3 |
Correct |
15 ms |
19968 KB |
Output is correct |
4 |
Correct |
15 ms |
19968 KB |
Output is correct |
5 |
Correct |
15 ms |
19968 KB |
Output is correct |
6 |
Correct |
16 ms |
19840 KB |
Output is correct |
7 |
Correct |
16 ms |
19840 KB |
Output is correct |
8 |
Correct |
16 ms |
19840 KB |
Output is correct |
9 |
Correct |
17 ms |
19888 KB |
Output is correct |
10 |
Correct |
18 ms |
19840 KB |
Output is correct |
11 |
Correct |
15 ms |
19840 KB |
Output is correct |
12 |
Correct |
17 ms |
19956 KB |
Output is correct |
13 |
Correct |
15 ms |
19840 KB |
Output is correct |
14 |
Correct |
16 ms |
19840 KB |
Output is correct |
15 |
Correct |
16 ms |
19840 KB |
Output is correct |
16 |
Correct |
15 ms |
19840 KB |
Output is correct |
17 |
Correct |
16 ms |
19968 KB |
Output is correct |
18 |
Correct |
16 ms |
19968 KB |
Output is correct |
19 |
Correct |
16 ms |
19840 KB |
Output is correct |
20 |
Correct |
32 ms |
21248 KB |
Output is correct |
21 |
Correct |
30 ms |
21376 KB |
Output is correct |
22 |
Correct |
28 ms |
21376 KB |
Output is correct |
23 |
Correct |
29 ms |
21376 KB |
Output is correct |
24 |
Correct |
33 ms |
21884 KB |
Output is correct |
25 |
Correct |
33 ms |
21888 KB |
Output is correct |
26 |
Correct |
31 ms |
22016 KB |
Output is correct |
27 |
Correct |
30 ms |
22016 KB |
Output is correct |
28 |
Correct |
33 ms |
21888 KB |
Output is correct |
29 |
Correct |
32 ms |
22016 KB |
Output is correct |
30 |
Correct |
28 ms |
22016 KB |
Output is correct |
31 |
Correct |
27 ms |
22016 KB |
Output is correct |
32 |
Correct |
34 ms |
22272 KB |
Output is correct |
33 |
Correct |
34 ms |
22272 KB |
Output is correct |
34 |
Correct |
32 ms |
21760 KB |
Output is correct |
35 |
Correct |
41 ms |
22420 KB |
Output is correct |
36 |
Correct |
33 ms |
22264 KB |
Output is correct |
37 |
Correct |
33 ms |
21760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
96 ms |
25452 KB |
Output is correct |
2 |
Correct |
98 ms |
25580 KB |
Output is correct |
3 |
Correct |
118 ms |
26856 KB |
Output is correct |
4 |
Correct |
114 ms |
25964 KB |
Output is correct |
5 |
Correct |
140 ms |
30572 KB |
Output is correct |
6 |
Correct |
117 ms |
25016 KB |
Output is correct |
7 |
Correct |
102 ms |
24848 KB |
Output is correct |
8 |
Correct |
86 ms |
25580 KB |
Output is correct |
9 |
Correct |
84 ms |
25016 KB |
Output is correct |
10 |
Correct |
86 ms |
24848 KB |
Output is correct |
11 |
Correct |
171 ms |
30988 KB |
Output is correct |
12 |
Correct |
156 ms |
30912 KB |
Output is correct |
13 |
Correct |
148 ms |
29048 KB |
Output is correct |
14 |
Correct |
149 ms |
29068 KB |
Output is correct |
15 |
Correct |
127 ms |
24992 KB |
Output is correct |
16 |
Correct |
117 ms |
25020 KB |
Output is correct |
17 |
Correct |
110 ms |
25036 KB |
Output is correct |
18 |
Correct |
143 ms |
30868 KB |
Output is correct |
19 |
Correct |
16 ms |
19840 KB |
Output is correct |
20 |
Correct |
16 ms |
19968 KB |
Output is correct |
21 |
Correct |
15 ms |
19968 KB |
Output is correct |
22 |
Correct |
15 ms |
19968 KB |
Output is correct |
23 |
Correct |
15 ms |
19968 KB |
Output is correct |
24 |
Correct |
16 ms |
19840 KB |
Output is correct |
25 |
Correct |
16 ms |
19840 KB |
Output is correct |
26 |
Correct |
16 ms |
19840 KB |
Output is correct |
27 |
Correct |
17 ms |
19888 KB |
Output is correct |
28 |
Correct |
18 ms |
19840 KB |
Output is correct |
29 |
Correct |
15 ms |
19840 KB |
Output is correct |
30 |
Correct |
17 ms |
19956 KB |
Output is correct |
31 |
Correct |
15 ms |
19840 KB |
Output is correct |
32 |
Correct |
16 ms |
19840 KB |
Output is correct |
33 |
Correct |
16 ms |
19840 KB |
Output is correct |
34 |
Correct |
15 ms |
19840 KB |
Output is correct |
35 |
Correct |
16 ms |
19968 KB |
Output is correct |
36 |
Correct |
16 ms |
19968 KB |
Output is correct |
37 |
Correct |
16 ms |
19840 KB |
Output is correct |
38 |
Correct |
32 ms |
21248 KB |
Output is correct |
39 |
Correct |
30 ms |
21376 KB |
Output is correct |
40 |
Correct |
28 ms |
21376 KB |
Output is correct |
41 |
Correct |
29 ms |
21376 KB |
Output is correct |
42 |
Correct |
33 ms |
21884 KB |
Output is correct |
43 |
Correct |
33 ms |
21888 KB |
Output is correct |
44 |
Correct |
31 ms |
22016 KB |
Output is correct |
45 |
Correct |
30 ms |
22016 KB |
Output is correct |
46 |
Correct |
33 ms |
21888 KB |
Output is correct |
47 |
Correct |
32 ms |
22016 KB |
Output is correct |
48 |
Correct |
28 ms |
22016 KB |
Output is correct |
49 |
Correct |
27 ms |
22016 KB |
Output is correct |
50 |
Correct |
34 ms |
22272 KB |
Output is correct |
51 |
Correct |
34 ms |
22272 KB |
Output is correct |
52 |
Correct |
32 ms |
21760 KB |
Output is correct |
53 |
Correct |
41 ms |
22420 KB |
Output is correct |
54 |
Correct |
33 ms |
22264 KB |
Output is correct |
55 |
Correct |
33 ms |
21760 KB |
Output is correct |
56 |
Correct |
485 ms |
52456 KB |
Output is correct |
57 |
Correct |
486 ms |
53096 KB |
Output is correct |
58 |
Correct |
502 ms |
57964 KB |
Output is correct |
59 |
Correct |
504 ms |
57832 KB |
Output is correct |
60 |
Correct |
423 ms |
52596 KB |
Output is correct |
61 |
Correct |
504 ms |
58212 KB |
Output is correct |
62 |
Correct |
512 ms |
52584 KB |
Output is correct |
63 |
Correct |
580 ms |
64616 KB |
Output is correct |
64 |
Correct |
552 ms |
64516 KB |
Output is correct |
65 |
Correct |
124 ms |
27112 KB |
Output is correct |
66 |
Correct |
375 ms |
52456 KB |
Output is correct |
67 |
Correct |
591 ms |
64360 KB |
Output is correct |
68 |
Correct |
465 ms |
64232 KB |
Output is correct |
69 |
Correct |
422 ms |
63080 KB |
Output is correct |
70 |
Correct |
622 ms |
64488 KB |
Output is correct |
71 |
Correct |
491 ms |
64100 KB |
Output is correct |
72 |
Correct |
420 ms |
64104 KB |
Output is correct |
73 |
Correct |
631 ms |
64612 KB |
Output is correct |
74 |
Correct |
343 ms |
64104 KB |
Output is correct |
75 |
Correct |
302 ms |
64232 KB |
Output is correct |
76 |
Correct |
610 ms |
66540 KB |
Output is correct |
77 |
Correct |
686 ms |
70852 KB |
Output is correct |
78 |
Correct |
674 ms |
64540 KB |
Output is correct |
79 |
Correct |
704 ms |
64616 KB |
Output is correct |
80 |
Correct |
647 ms |
60392 KB |
Output is correct |
81 |
Correct |
484 ms |
64488 KB |
Output is correct |
82 |
Correct |
631 ms |
60648 KB |
Output is correct |
83 |
Correct |
687 ms |
64872 KB |
Output is correct |
84 |
Correct |
672 ms |
64620 KB |
Output is correct |
85 |
Correct |
600 ms |
64616 KB |
Output is correct |
86 |
Correct |
593 ms |
64616 KB |
Output is correct |
87 |
Correct |
603 ms |
64472 KB |
Output is correct |
88 |
Correct |
641 ms |
64616 KB |
Output is correct |
89 |
Correct |
613 ms |
64648 KB |
Output is correct |
90 |
Correct |
712 ms |
70760 KB |
Output is correct |
91 |
Correct |
642 ms |
67688 KB |
Output is correct |
92 |
Correct |
600 ms |
64616 KB |
Output is correct |
93 |
Correct |
687 ms |
64640 KB |
Output is correct |
94 |
Correct |
705 ms |
64868 KB |
Output is correct |
95 |
Correct |
670 ms |
64616 KB |
Output is correct |
96 |
Correct |
687 ms |
70504 KB |
Output is correct |
97 |
Correct |
659 ms |
70888 KB |
Output is correct |
98 |
Correct |
675 ms |
70776 KB |
Output is correct |
99 |
Correct |
684 ms |
70888 KB |
Output is correct |
100 |
Correct |
679 ms |
68456 KB |
Output is correct |
101 |
Correct |
671 ms |
70632 KB |
Output is correct |
102 |
Correct |
675 ms |
71012 KB |
Output is correct |
103 |
Correct |
584 ms |
65488 KB |
Output is correct |