#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];
set < pii > 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].insert(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 del (int pos, int lvl, pii x, int v = 1, int tl = 0, int tr = sz(xx) - 1) {
T[v][lvl].erase(x);
if (tl == tr)
return;
int tm = (tl + tr) >> 1;
if (pos <= tm)
del(pos, lvl, x, v << 1, tl, tm);
else
del(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) {
auto it = T[v][lvl].begin();
while (it != T[v][lvl].end() && it->f <= X) {
toDel.pb(it->s);
++it;
}
while (sz(toDel)) {
int i = toDel.back();
toDel.ppb();
d[i] = Y + a[i].c;
q.insert({d[i], i});
del(x[i], 0, {a[i].l + a[i].t, i});
del(x[i], 1, {a[i].l - a[i].t, i});
}
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);
}
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});
}
}
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:105:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main () {
^
treatment.cpp: In function 'int main()':
treatment.cpp:107:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~
treatment.cpp:109:8: 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 |
177 ms |
51184 KB |
Output is correct |
2 |
Correct |
166 ms |
51184 KB |
Output is correct |
3 |
Correct |
193 ms |
50672 KB |
Output is correct |
4 |
Correct |
192 ms |
50800 KB |
Output is correct |
5 |
Correct |
209 ms |
51184 KB |
Output is correct |
6 |
Correct |
156 ms |
51312 KB |
Output is correct |
7 |
Correct |
146 ms |
51312 KB |
Output is correct |
8 |
Correct |
122 ms |
51184 KB |
Output is correct |
9 |
Correct |
120 ms |
51184 KB |
Output is correct |
10 |
Correct |
108 ms |
51184 KB |
Output is correct |
11 |
Correct |
277 ms |
52076 KB |
Output is correct |
12 |
Correct |
266 ms |
51824 KB |
Output is correct |
13 |
Correct |
259 ms |
51440 KB |
Output is correct |
14 |
Correct |
260 ms |
51564 KB |
Output is correct |
15 |
Correct |
220 ms |
51312 KB |
Output is correct |
16 |
Correct |
211 ms |
51312 KB |
Output is correct |
17 |
Correct |
202 ms |
51384 KB |
Output is correct |
18 |
Correct |
244 ms |
51952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
38656 KB |
Output is correct |
2 |
Correct |
27 ms |
38656 KB |
Output is correct |
3 |
Correct |
27 ms |
38656 KB |
Output is correct |
4 |
Correct |
30 ms |
38776 KB |
Output is correct |
5 |
Correct |
26 ms |
38656 KB |
Output is correct |
6 |
Correct |
26 ms |
38656 KB |
Output is correct |
7 |
Correct |
26 ms |
38656 KB |
Output is correct |
8 |
Correct |
28 ms |
38656 KB |
Output is correct |
9 |
Correct |
27 ms |
38656 KB |
Output is correct |
10 |
Correct |
26 ms |
38656 KB |
Output is correct |
11 |
Correct |
27 ms |
38656 KB |
Output is correct |
12 |
Correct |
26 ms |
38656 KB |
Output is correct |
13 |
Correct |
27 ms |
38656 KB |
Output is correct |
14 |
Correct |
27 ms |
38656 KB |
Output is correct |
15 |
Correct |
26 ms |
38656 KB |
Output is correct |
16 |
Correct |
27 ms |
38656 KB |
Output is correct |
17 |
Correct |
27 ms |
38656 KB |
Output is correct |
18 |
Correct |
27 ms |
38656 KB |
Output is correct |
19 |
Correct |
26 ms |
38656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
38656 KB |
Output is correct |
2 |
Correct |
27 ms |
38656 KB |
Output is correct |
3 |
Correct |
27 ms |
38656 KB |
Output is correct |
4 |
Correct |
30 ms |
38776 KB |
Output is correct |
5 |
Correct |
26 ms |
38656 KB |
Output is correct |
6 |
Correct |
26 ms |
38656 KB |
Output is correct |
7 |
Correct |
26 ms |
38656 KB |
Output is correct |
8 |
Correct |
28 ms |
38656 KB |
Output is correct |
9 |
Correct |
27 ms |
38656 KB |
Output is correct |
10 |
Correct |
26 ms |
38656 KB |
Output is correct |
11 |
Correct |
27 ms |
38656 KB |
Output is correct |
12 |
Correct |
26 ms |
38656 KB |
Output is correct |
13 |
Correct |
27 ms |
38656 KB |
Output is correct |
14 |
Correct |
27 ms |
38656 KB |
Output is correct |
15 |
Correct |
26 ms |
38656 KB |
Output is correct |
16 |
Correct |
27 ms |
38656 KB |
Output is correct |
17 |
Correct |
27 ms |
38656 KB |
Output is correct |
18 |
Correct |
27 ms |
38656 KB |
Output is correct |
19 |
Correct |
26 ms |
38656 KB |
Output is correct |
20 |
Correct |
58 ms |
43260 KB |
Output is correct |
21 |
Correct |
57 ms |
43256 KB |
Output is correct |
22 |
Correct |
62 ms |
43512 KB |
Output is correct |
23 |
Correct |
60 ms |
43516 KB |
Output is correct |
24 |
Correct |
66 ms |
44152 KB |
Output is correct |
25 |
Correct |
69 ms |
45048 KB |
Output is correct |
26 |
Correct |
71 ms |
45176 KB |
Output is correct |
27 |
Correct |
65 ms |
45176 KB |
Output is correct |
28 |
Correct |
65 ms |
44160 KB |
Output is correct |
29 |
Correct |
66 ms |
45048 KB |
Output is correct |
30 |
Correct |
55 ms |
45048 KB |
Output is correct |
31 |
Correct |
61 ms |
45224 KB |
Output is correct |
32 |
Correct |
80 ms |
45176 KB |
Output is correct |
33 |
Correct |
77 ms |
45048 KB |
Output is correct |
34 |
Correct |
74 ms |
44792 KB |
Output is correct |
35 |
Correct |
79 ms |
45048 KB |
Output is correct |
36 |
Correct |
77 ms |
45304 KB |
Output is correct |
37 |
Correct |
74 ms |
44792 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
177 ms |
51184 KB |
Output is correct |
2 |
Correct |
166 ms |
51184 KB |
Output is correct |
3 |
Correct |
193 ms |
50672 KB |
Output is correct |
4 |
Correct |
192 ms |
50800 KB |
Output is correct |
5 |
Correct |
209 ms |
51184 KB |
Output is correct |
6 |
Correct |
156 ms |
51312 KB |
Output is correct |
7 |
Correct |
146 ms |
51312 KB |
Output is correct |
8 |
Correct |
122 ms |
51184 KB |
Output is correct |
9 |
Correct |
120 ms |
51184 KB |
Output is correct |
10 |
Correct |
108 ms |
51184 KB |
Output is correct |
11 |
Correct |
277 ms |
52076 KB |
Output is correct |
12 |
Correct |
266 ms |
51824 KB |
Output is correct |
13 |
Correct |
259 ms |
51440 KB |
Output is correct |
14 |
Correct |
260 ms |
51564 KB |
Output is correct |
15 |
Correct |
220 ms |
51312 KB |
Output is correct |
16 |
Correct |
211 ms |
51312 KB |
Output is correct |
17 |
Correct |
202 ms |
51384 KB |
Output is correct |
18 |
Correct |
244 ms |
51952 KB |
Output is correct |
19 |
Correct |
30 ms |
38656 KB |
Output is correct |
20 |
Correct |
27 ms |
38656 KB |
Output is correct |
21 |
Correct |
27 ms |
38656 KB |
Output is correct |
22 |
Correct |
30 ms |
38776 KB |
Output is correct |
23 |
Correct |
26 ms |
38656 KB |
Output is correct |
24 |
Correct |
26 ms |
38656 KB |
Output is correct |
25 |
Correct |
26 ms |
38656 KB |
Output is correct |
26 |
Correct |
28 ms |
38656 KB |
Output is correct |
27 |
Correct |
27 ms |
38656 KB |
Output is correct |
28 |
Correct |
26 ms |
38656 KB |
Output is correct |
29 |
Correct |
27 ms |
38656 KB |
Output is correct |
30 |
Correct |
26 ms |
38656 KB |
Output is correct |
31 |
Correct |
27 ms |
38656 KB |
Output is correct |
32 |
Correct |
27 ms |
38656 KB |
Output is correct |
33 |
Correct |
26 ms |
38656 KB |
Output is correct |
34 |
Correct |
27 ms |
38656 KB |
Output is correct |
35 |
Correct |
27 ms |
38656 KB |
Output is correct |
36 |
Correct |
27 ms |
38656 KB |
Output is correct |
37 |
Correct |
26 ms |
38656 KB |
Output is correct |
38 |
Correct |
58 ms |
43260 KB |
Output is correct |
39 |
Correct |
57 ms |
43256 KB |
Output is correct |
40 |
Correct |
62 ms |
43512 KB |
Output is correct |
41 |
Correct |
60 ms |
43516 KB |
Output is correct |
42 |
Correct |
66 ms |
44152 KB |
Output is correct |
43 |
Correct |
69 ms |
45048 KB |
Output is correct |
44 |
Correct |
71 ms |
45176 KB |
Output is correct |
45 |
Correct |
65 ms |
45176 KB |
Output is correct |
46 |
Correct |
65 ms |
44160 KB |
Output is correct |
47 |
Correct |
66 ms |
45048 KB |
Output is correct |
48 |
Correct |
55 ms |
45048 KB |
Output is correct |
49 |
Correct |
61 ms |
45224 KB |
Output is correct |
50 |
Correct |
80 ms |
45176 KB |
Output is correct |
51 |
Correct |
77 ms |
45048 KB |
Output is correct |
52 |
Correct |
74 ms |
44792 KB |
Output is correct |
53 |
Correct |
79 ms |
45048 KB |
Output is correct |
54 |
Correct |
77 ms |
45304 KB |
Output is correct |
55 |
Correct |
74 ms |
44792 KB |
Output is correct |
56 |
Correct |
1518 ms |
161112 KB |
Output is correct |
57 |
Correct |
1516 ms |
161140 KB |
Output is correct |
58 |
Correct |
1677 ms |
198184 KB |
Output is correct |
59 |
Correct |
1749 ms |
198092 KB |
Output is correct |
60 |
Correct |
1744 ms |
176956 KB |
Output is correct |
61 |
Correct |
1684 ms |
197872 KB |
Output is correct |
62 |
Correct |
1523 ms |
161312 KB |
Output is correct |
63 |
Correct |
1543 ms |
208112 KB |
Output is correct |
64 |
Correct |
1515 ms |
207984 KB |
Output is correct |
65 |
Correct |
325 ms |
60708 KB |
Output is correct |
66 |
Correct |
1728 ms |
176880 KB |
Output is correct |
67 |
Correct |
2387 ms |
206516 KB |
Output is correct |
68 |
Correct |
1956 ms |
207728 KB |
Output is correct |
69 |
Correct |
1623 ms |
206832 KB |
Output is correct |
70 |
Correct |
2637 ms |
206956 KB |
Output is correct |
71 |
Correct |
2032 ms |
207908 KB |
Output is correct |
72 |
Correct |
1576 ms |
208112 KB |
Output is correct |
73 |
Correct |
2624 ms |
206960 KB |
Output is correct |
74 |
Correct |
1348 ms |
207860 KB |
Output is correct |
75 |
Correct |
1189 ms |
207980 KB |
Output is correct |
76 |
Execution timed out |
3040 ms |
201640 KB |
Time limit exceeded |
77 |
Halted |
0 ms |
0 KB |
- |