# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
66247 |
2018-08-10T05:38:11 Z |
윤교준(#1888) |
초음속철도 (OJUZ11_rail) |
C++11 |
|
616 ms |
16848 KB |
#include <bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MOD = 1000000007;
const int MAXN = 200005;
inline void add(int &a, int b) { a += b; if(MOD <= a) a -= MOD; }
inline void mul(int &a) { a += a; if(MOD <= a) a -= MOD; }
inline int addint(int a, int b) { add(a, b); return a; }
struct SEG {
SEG() { init(); }
int d[MAXN*4], pd[MAXN*4];
void init() { fill(pd, pd+MAXN*4, 1); }
void prop(int i, int s, int e) {
if(1 == pd[i]) return;
if(s != e) {
pd[i<<1] = ll(pd[i<<1]) * pd[i] % MOD;
pd[i<<1|1] = ll(pd[i<<1|1]) * pd[i] % MOD;
}
d[i] = ll(d[i]) * pd[i] % MOD;
pd[i] = 1;
}
void upd(int i, int s, int e, int p, int q) {
prop(i, s, e); if(q < p || e < p || q < s) return;
if(p <= s && e <= q) {
mul(pd[i]);
prop(i, s, e);
return;
}
int m = (s+e) >> 1;
upd(i<<1, s, m, p, q); upd(i<<1|1, m+1, e, p, q);
d[i] = addint(d[i<<1], d[i<<1|1]);
}
void updx(int i, int s, int e, int x, int r) {
prop(i, s, e); if(x < s || e < x) return;
if(s == e) {
add(d[i], r);
return;
}
int m = (s+e) >> 1;
updx(i<<1, s, m, x, r); updx(i<<1|1, m+1, e, x, r);
d[i] = addint(d[i<<1], d[i<<1|1]);
}
int get(int i, int s, int e, int p, int q) {
prop(i, s, e); if(q < p || e < p || q < s) return 0;
if(p <= s && e <= q) return d[i];
int m = (s+e) >> 1;
return addint(get(i<<1, s, m, p, q), get(i<<1|1, m+1, e, p, q));
}
} seg;
int A[MAXN], B[MAXN], O[MAXN];
int N, M;
int main() {
ios::sync_with_stdio(false);
cin >> M >> N;
for(int i = 1; i <= N; i++) cin >> A[i] >> B[i];
{
vector<int> V;
V.eb(1); V.eb(M);
for(int i = 1; i <= N; i++) {
V.eb(A[i]);
V.eb(B[i]);
}
sorv(V); univ(V);
M = sz(V);
for(int i = 1; i <= N; i++) {
A[i] = int(lower_bound(allv(V), A[i]) - V.begin()) + 1;
B[i] = int(lower_bound(allv(V), B[i]) - V.begin()) + 1;
}
}
iota(O, O+N+1, 0);
sort(O+1, O+N+1, [&](int a, int b) { return B[a] < B[b]; });
seg.updx(1, 1, M, 1, 1);
for(int oi = 1, i; oi <= N; oi++) {
i = O[oi];
int s = A[i], e = B[i], ret = 0;
ret = seg.get(1, 1, M, s, e-1);
seg.upd(1, 1, M, 1, s-1);
seg.upd(1, 1, M, e, M);
seg.updx(1, 1, M, e, ret);
}
cout << seg.get(1, 1, M, M, M) << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
3448 KB |
Output is correct |
2 |
Correct |
6 ms |
3684 KB |
Output is correct |
3 |
Correct |
5 ms |
3684 KB |
Output is correct |
4 |
Correct |
5 ms |
3684 KB |
Output is correct |
5 |
Correct |
5 ms |
3708 KB |
Output is correct |
6 |
Correct |
5 ms |
3708 KB |
Output is correct |
7 |
Correct |
5 ms |
3776 KB |
Output is correct |
8 |
Correct |
5 ms |
3820 KB |
Output is correct |
9 |
Correct |
5 ms |
3820 KB |
Output is correct |
10 |
Correct |
6 ms |
3820 KB |
Output is correct |
11 |
Correct |
6 ms |
3820 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3820 KB |
Output is correct |
14 |
Correct |
5 ms |
3820 KB |
Output is correct |
15 |
Correct |
5 ms |
3820 KB |
Output is correct |
16 |
Correct |
5 ms |
3820 KB |
Output is correct |
17 |
Correct |
6 ms |
3820 KB |
Output is correct |
18 |
Correct |
5 ms |
3820 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
3448 KB |
Output is correct |
2 |
Correct |
6 ms |
3684 KB |
Output is correct |
3 |
Correct |
5 ms |
3684 KB |
Output is correct |
4 |
Correct |
5 ms |
3684 KB |
Output is correct |
5 |
Correct |
5 ms |
3708 KB |
Output is correct |
6 |
Correct |
5 ms |
3708 KB |
Output is correct |
7 |
Correct |
5 ms |
3776 KB |
Output is correct |
8 |
Correct |
5 ms |
3820 KB |
Output is correct |
9 |
Correct |
5 ms |
3820 KB |
Output is correct |
10 |
Correct |
6 ms |
3820 KB |
Output is correct |
11 |
Correct |
6 ms |
3820 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3820 KB |
Output is correct |
14 |
Correct |
5 ms |
3820 KB |
Output is correct |
15 |
Correct |
5 ms |
3820 KB |
Output is correct |
16 |
Correct |
5 ms |
3820 KB |
Output is correct |
17 |
Correct |
6 ms |
3820 KB |
Output is correct |
18 |
Correct |
5 ms |
3820 KB |
Output is correct |
19 |
Correct |
6 ms |
3820 KB |
Output is correct |
20 |
Correct |
5 ms |
3820 KB |
Output is correct |
21 |
Correct |
6 ms |
3820 KB |
Output is correct |
22 |
Correct |
6 ms |
3820 KB |
Output is correct |
23 |
Correct |
5 ms |
3820 KB |
Output is correct |
24 |
Correct |
6 ms |
3820 KB |
Output is correct |
25 |
Correct |
5 ms |
3820 KB |
Output is correct |
26 |
Correct |
5 ms |
3820 KB |
Output is correct |
27 |
Correct |
5 ms |
3820 KB |
Output is correct |
28 |
Correct |
5 ms |
3820 KB |
Output is correct |
29 |
Correct |
5 ms |
3820 KB |
Output is correct |
30 |
Correct |
6 ms |
3820 KB |
Output is correct |
31 |
Correct |
4 ms |
3820 KB |
Output is correct |
32 |
Correct |
6 ms |
3820 KB |
Output is correct |
33 |
Correct |
6 ms |
3820 KB |
Output is correct |
34 |
Correct |
6 ms |
3820 KB |
Output is correct |
35 |
Correct |
5 ms |
3820 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
3820 KB |
Output is correct |
2 |
Correct |
5 ms |
3820 KB |
Output is correct |
3 |
Correct |
5 ms |
3820 KB |
Output is correct |
4 |
Correct |
12 ms |
3964 KB |
Output is correct |
5 |
Correct |
299 ms |
7536 KB |
Output is correct |
6 |
Runtime error |
366 ms |
16440 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
7 |
Runtime error |
357 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
8 |
Correct |
6 ms |
16524 KB |
Output is correct |
9 |
Runtime error |
339 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
10 |
Runtime error |
373 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
11 |
Correct |
163 ms |
16524 KB |
Output is correct |
12 |
Runtime error |
361 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
13 |
Runtime error |
372 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
14 |
Correct |
100 ms |
16620 KB |
Output is correct |
15 |
Correct |
452 ms |
16620 KB |
Output is correct |
16 |
Correct |
114 ms |
16620 KB |
Output is correct |
17 |
Runtime error |
369 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
18 |
Runtime error |
355 ms |
16796 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
19 |
Runtime error |
347 ms |
16796 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
3448 KB |
Output is correct |
2 |
Correct |
6 ms |
3684 KB |
Output is correct |
3 |
Correct |
5 ms |
3684 KB |
Output is correct |
4 |
Correct |
5 ms |
3684 KB |
Output is correct |
5 |
Correct |
5 ms |
3708 KB |
Output is correct |
6 |
Correct |
5 ms |
3708 KB |
Output is correct |
7 |
Correct |
5 ms |
3776 KB |
Output is correct |
8 |
Correct |
5 ms |
3820 KB |
Output is correct |
9 |
Correct |
5 ms |
3820 KB |
Output is correct |
10 |
Correct |
6 ms |
3820 KB |
Output is correct |
11 |
Correct |
6 ms |
3820 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3820 KB |
Output is correct |
14 |
Correct |
5 ms |
3820 KB |
Output is correct |
15 |
Correct |
5 ms |
3820 KB |
Output is correct |
16 |
Correct |
5 ms |
3820 KB |
Output is correct |
17 |
Correct |
6 ms |
3820 KB |
Output is correct |
18 |
Correct |
5 ms |
3820 KB |
Output is correct |
19 |
Correct |
6 ms |
3820 KB |
Output is correct |
20 |
Correct |
5 ms |
3820 KB |
Output is correct |
21 |
Correct |
6 ms |
3820 KB |
Output is correct |
22 |
Correct |
6 ms |
3820 KB |
Output is correct |
23 |
Correct |
5 ms |
3820 KB |
Output is correct |
24 |
Correct |
6 ms |
3820 KB |
Output is correct |
25 |
Correct |
5 ms |
3820 KB |
Output is correct |
26 |
Correct |
5 ms |
3820 KB |
Output is correct |
27 |
Correct |
5 ms |
3820 KB |
Output is correct |
28 |
Correct |
5 ms |
3820 KB |
Output is correct |
29 |
Correct |
5 ms |
3820 KB |
Output is correct |
30 |
Correct |
6 ms |
3820 KB |
Output is correct |
31 |
Correct |
4 ms |
3820 KB |
Output is correct |
32 |
Correct |
6 ms |
3820 KB |
Output is correct |
33 |
Correct |
6 ms |
3820 KB |
Output is correct |
34 |
Correct |
6 ms |
3820 KB |
Output is correct |
35 |
Correct |
5 ms |
3820 KB |
Output is correct |
36 |
Correct |
16 ms |
16796 KB |
Output is correct |
37 |
Correct |
13 ms |
16796 KB |
Output is correct |
38 |
Correct |
11 ms |
16796 KB |
Output is correct |
39 |
Correct |
7 ms |
16796 KB |
Output is correct |
40 |
Correct |
12 ms |
16796 KB |
Output is correct |
41 |
Correct |
13 ms |
16796 KB |
Output is correct |
42 |
Correct |
16 ms |
16796 KB |
Output is correct |
43 |
Correct |
5 ms |
16796 KB |
Output is correct |
44 |
Correct |
13 ms |
16796 KB |
Output is correct |
45 |
Correct |
8 ms |
16796 KB |
Output is correct |
46 |
Correct |
13 ms |
16796 KB |
Output is correct |
47 |
Correct |
14 ms |
16796 KB |
Output is correct |
48 |
Correct |
16 ms |
16796 KB |
Output is correct |
49 |
Correct |
12 ms |
16796 KB |
Output is correct |
50 |
Correct |
8 ms |
16796 KB |
Output is correct |
51 |
Correct |
9 ms |
16796 KB |
Output is correct |
52 |
Correct |
8 ms |
16796 KB |
Output is correct |
53 |
Correct |
21 ms |
16796 KB |
Output is correct |
54 |
Correct |
9 ms |
16796 KB |
Output is correct |
55 |
Correct |
15 ms |
16796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
3448 KB |
Output is correct |
2 |
Correct |
6 ms |
3684 KB |
Output is correct |
3 |
Correct |
5 ms |
3684 KB |
Output is correct |
4 |
Correct |
5 ms |
3684 KB |
Output is correct |
5 |
Correct |
5 ms |
3708 KB |
Output is correct |
6 |
Correct |
5 ms |
3708 KB |
Output is correct |
7 |
Correct |
5 ms |
3776 KB |
Output is correct |
8 |
Correct |
5 ms |
3820 KB |
Output is correct |
9 |
Correct |
5 ms |
3820 KB |
Output is correct |
10 |
Correct |
6 ms |
3820 KB |
Output is correct |
11 |
Correct |
6 ms |
3820 KB |
Output is correct |
12 |
Correct |
7 ms |
3820 KB |
Output is correct |
13 |
Correct |
6 ms |
3820 KB |
Output is correct |
14 |
Correct |
5 ms |
3820 KB |
Output is correct |
15 |
Correct |
5 ms |
3820 KB |
Output is correct |
16 |
Correct |
5 ms |
3820 KB |
Output is correct |
17 |
Correct |
6 ms |
3820 KB |
Output is correct |
18 |
Correct |
5 ms |
3820 KB |
Output is correct |
19 |
Correct |
6 ms |
3820 KB |
Output is correct |
20 |
Correct |
5 ms |
3820 KB |
Output is correct |
21 |
Correct |
6 ms |
3820 KB |
Output is correct |
22 |
Correct |
6 ms |
3820 KB |
Output is correct |
23 |
Correct |
5 ms |
3820 KB |
Output is correct |
24 |
Correct |
6 ms |
3820 KB |
Output is correct |
25 |
Correct |
5 ms |
3820 KB |
Output is correct |
26 |
Correct |
5 ms |
3820 KB |
Output is correct |
27 |
Correct |
5 ms |
3820 KB |
Output is correct |
28 |
Correct |
5 ms |
3820 KB |
Output is correct |
29 |
Correct |
5 ms |
3820 KB |
Output is correct |
30 |
Correct |
6 ms |
3820 KB |
Output is correct |
31 |
Correct |
4 ms |
3820 KB |
Output is correct |
32 |
Correct |
6 ms |
3820 KB |
Output is correct |
33 |
Correct |
6 ms |
3820 KB |
Output is correct |
34 |
Correct |
6 ms |
3820 KB |
Output is correct |
35 |
Correct |
5 ms |
3820 KB |
Output is correct |
36 |
Correct |
5 ms |
3820 KB |
Output is correct |
37 |
Correct |
5 ms |
3820 KB |
Output is correct |
38 |
Correct |
5 ms |
3820 KB |
Output is correct |
39 |
Correct |
12 ms |
3964 KB |
Output is correct |
40 |
Correct |
299 ms |
7536 KB |
Output is correct |
41 |
Runtime error |
366 ms |
16440 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
42 |
Runtime error |
357 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
43 |
Correct |
6 ms |
16524 KB |
Output is correct |
44 |
Runtime error |
339 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
45 |
Runtime error |
373 ms |
16524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
46 |
Correct |
163 ms |
16524 KB |
Output is correct |
47 |
Runtime error |
361 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
48 |
Runtime error |
372 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
49 |
Correct |
100 ms |
16620 KB |
Output is correct |
50 |
Correct |
452 ms |
16620 KB |
Output is correct |
51 |
Correct |
114 ms |
16620 KB |
Output is correct |
52 |
Runtime error |
369 ms |
16620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
53 |
Runtime error |
355 ms |
16796 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
54 |
Runtime error |
347 ms |
16796 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
55 |
Correct |
16 ms |
16796 KB |
Output is correct |
56 |
Correct |
13 ms |
16796 KB |
Output is correct |
57 |
Correct |
11 ms |
16796 KB |
Output is correct |
58 |
Correct |
7 ms |
16796 KB |
Output is correct |
59 |
Correct |
12 ms |
16796 KB |
Output is correct |
60 |
Correct |
13 ms |
16796 KB |
Output is correct |
61 |
Correct |
16 ms |
16796 KB |
Output is correct |
62 |
Correct |
5 ms |
16796 KB |
Output is correct |
63 |
Correct |
13 ms |
16796 KB |
Output is correct |
64 |
Correct |
8 ms |
16796 KB |
Output is correct |
65 |
Correct |
13 ms |
16796 KB |
Output is correct |
66 |
Correct |
14 ms |
16796 KB |
Output is correct |
67 |
Correct |
16 ms |
16796 KB |
Output is correct |
68 |
Correct |
12 ms |
16796 KB |
Output is correct |
69 |
Correct |
8 ms |
16796 KB |
Output is correct |
70 |
Correct |
9 ms |
16796 KB |
Output is correct |
71 |
Correct |
8 ms |
16796 KB |
Output is correct |
72 |
Correct |
21 ms |
16796 KB |
Output is correct |
73 |
Correct |
9 ms |
16796 KB |
Output is correct |
74 |
Correct |
15 ms |
16796 KB |
Output is correct |
75 |
Runtime error |
349 ms |
16796 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
76 |
Correct |
367 ms |
16796 KB |
Output is correct |
77 |
Correct |
351 ms |
16796 KB |
Output is correct |
78 |
Correct |
95 ms |
16796 KB |
Output is correct |
79 |
Correct |
458 ms |
16796 KB |
Output is correct |
80 |
Runtime error |
359 ms |
16836 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
81 |
Correct |
14 ms |
16836 KB |
Output is correct |
82 |
Runtime error |
315 ms |
16836 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
83 |
Correct |
88 ms |
16836 KB |
Output is correct |
84 |
Runtime error |
298 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
85 |
Correct |
616 ms |
16848 KB |
Output is correct |
86 |
Correct |
599 ms |
16848 KB |
Output is correct |
87 |
Correct |
190 ms |
16848 KB |
Output is correct |
88 |
Correct |
169 ms |
16848 KB |
Output is correct |
89 |
Runtime error |
358 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
90 |
Runtime error |
360 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
91 |
Runtime error |
415 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
92 |
Runtime error |
428 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
93 |
Correct |
574 ms |
16848 KB |
Output is correct |
94 |
Runtime error |
349 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
95 |
Runtime error |
344 ms |
16848 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |