| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 66241 |
2018-08-10T05:30:05 Z |
윤교준(#1888) |
초음속철도 (OJUZ11_rail) |
C++11 |
|
3000 ms |
8048 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; }
int dp[MAXN];
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]; });
dp[1] = 1;
for(int oi = 1, i; oi <= N; oi++) {
i = O[oi];
int s = A[i], e = B[i], ret = 0;
for(int i = s; i < e; i++) add(ret, dp[i]);
for(int i = 1; i < s; i++) add(dp[i], dp[i]);
for(int i = e; i <= M; i++) add(dp[i], dp[i]);
add(dp[e], ret);
}
cout << dp[M] << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
416 KB |
Output is correct |
| 4 |
Correct |
3 ms |
420 KB |
Output is correct |
| 5 |
Correct |
2 ms |
420 KB |
Output is correct |
| 6 |
Correct |
3 ms |
420 KB |
Output is correct |
| 7 |
Correct |
3 ms |
496 KB |
Output is correct |
| 8 |
Correct |
3 ms |
496 KB |
Output is correct |
| 9 |
Correct |
2 ms |
496 KB |
Output is correct |
| 10 |
Correct |
2 ms |
544 KB |
Output is correct |
| 11 |
Correct |
2 ms |
544 KB |
Output is correct |
| 12 |
Correct |
2 ms |
544 KB |
Output is correct |
| 13 |
Correct |
2 ms |
544 KB |
Output is correct |
| 14 |
Correct |
2 ms |
544 KB |
Output is correct |
| 15 |
Correct |
3 ms |
544 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
416 KB |
Output is correct |
| 4 |
Correct |
3 ms |
420 KB |
Output is correct |
| 5 |
Correct |
2 ms |
420 KB |
Output is correct |
| 6 |
Correct |
3 ms |
420 KB |
Output is correct |
| 7 |
Correct |
3 ms |
496 KB |
Output is correct |
| 8 |
Correct |
3 ms |
496 KB |
Output is correct |
| 9 |
Correct |
2 ms |
496 KB |
Output is correct |
| 10 |
Correct |
2 ms |
544 KB |
Output is correct |
| 11 |
Correct |
2 ms |
544 KB |
Output is correct |
| 12 |
Correct |
2 ms |
544 KB |
Output is correct |
| 13 |
Correct |
2 ms |
544 KB |
Output is correct |
| 14 |
Correct |
2 ms |
544 KB |
Output is correct |
| 15 |
Correct |
3 ms |
544 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
3 ms |
620 KB |
Output is correct |
| 20 |
Correct |
3 ms |
620 KB |
Output is correct |
| 21 |
Correct |
2 ms |
620 KB |
Output is correct |
| 22 |
Correct |
3 ms |
620 KB |
Output is correct |
| 23 |
Correct |
3 ms |
736 KB |
Output is correct |
| 24 |
Correct |
3 ms |
736 KB |
Output is correct |
| 25 |
Correct |
2 ms |
736 KB |
Output is correct |
| 26 |
Correct |
2 ms |
736 KB |
Output is correct |
| 27 |
Correct |
3 ms |
736 KB |
Output is correct |
| 28 |
Correct |
3 ms |
736 KB |
Output is correct |
| 29 |
Correct |
3 ms |
736 KB |
Output is correct |
| 30 |
Correct |
3 ms |
736 KB |
Output is correct |
| 31 |
Correct |
3 ms |
736 KB |
Output is correct |
| 32 |
Correct |
2 ms |
736 KB |
Output is correct |
| 33 |
Correct |
2 ms |
736 KB |
Output is correct |
| 34 |
Correct |
3 ms |
736 KB |
Output is correct |
| 35 |
Correct |
4 ms |
736 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
736 KB |
Output is correct |
| 2 |
Correct |
2 ms |
736 KB |
Output is correct |
| 3 |
Correct |
3 ms |
736 KB |
Output is correct |
| 4 |
Correct |
15 ms |
748 KB |
Output is correct |
| 5 |
Execution timed out |
3047 ms |
4448 KB |
Time limit exceeded |
| 6 |
Runtime error |
250 ms |
7216 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 7 |
Runtime error |
198 ms |
7716 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 8 |
Correct |
3 ms |
7716 KB |
Output is correct |
| 9 |
Runtime error |
187 ms |
7716 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 10 |
Runtime error |
228 ms |
7788 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 11 |
Execution timed out |
3045 ms |
7788 KB |
Time limit exceeded |
| 12 |
Runtime error |
240 ms |
7820 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 13 |
Runtime error |
199 ms |
7992 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 14 |
Correct |
79 ms |
8048 KB |
Output is correct |
| 15 |
Execution timed out |
3066 ms |
8048 KB |
Time limit exceeded |
| 16 |
Correct |
95 ms |
8048 KB |
Output is correct |
| 17 |
Runtime error |
206 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 18 |
Runtime error |
248 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 19 |
Runtime error |
204 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
416 KB |
Output is correct |
| 4 |
Correct |
3 ms |
420 KB |
Output is correct |
| 5 |
Correct |
2 ms |
420 KB |
Output is correct |
| 6 |
Correct |
3 ms |
420 KB |
Output is correct |
| 7 |
Correct |
3 ms |
496 KB |
Output is correct |
| 8 |
Correct |
3 ms |
496 KB |
Output is correct |
| 9 |
Correct |
2 ms |
496 KB |
Output is correct |
| 10 |
Correct |
2 ms |
544 KB |
Output is correct |
| 11 |
Correct |
2 ms |
544 KB |
Output is correct |
| 12 |
Correct |
2 ms |
544 KB |
Output is correct |
| 13 |
Correct |
2 ms |
544 KB |
Output is correct |
| 14 |
Correct |
2 ms |
544 KB |
Output is correct |
| 15 |
Correct |
3 ms |
544 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
3 ms |
620 KB |
Output is correct |
| 20 |
Correct |
3 ms |
620 KB |
Output is correct |
| 21 |
Correct |
2 ms |
620 KB |
Output is correct |
| 22 |
Correct |
3 ms |
620 KB |
Output is correct |
| 23 |
Correct |
3 ms |
736 KB |
Output is correct |
| 24 |
Correct |
3 ms |
736 KB |
Output is correct |
| 25 |
Correct |
2 ms |
736 KB |
Output is correct |
| 26 |
Correct |
2 ms |
736 KB |
Output is correct |
| 27 |
Correct |
3 ms |
736 KB |
Output is correct |
| 28 |
Correct |
3 ms |
736 KB |
Output is correct |
| 29 |
Correct |
3 ms |
736 KB |
Output is correct |
| 30 |
Correct |
3 ms |
736 KB |
Output is correct |
| 31 |
Correct |
3 ms |
736 KB |
Output is correct |
| 32 |
Correct |
2 ms |
736 KB |
Output is correct |
| 33 |
Correct |
2 ms |
736 KB |
Output is correct |
| 34 |
Correct |
3 ms |
736 KB |
Output is correct |
| 35 |
Correct |
4 ms |
736 KB |
Output is correct |
| 36 |
Correct |
69 ms |
8048 KB |
Output is correct |
| 37 |
Correct |
50 ms |
8048 KB |
Output is correct |
| 38 |
Correct |
21 ms |
8048 KB |
Output is correct |
| 39 |
Correct |
4 ms |
8048 KB |
Output is correct |
| 40 |
Correct |
36 ms |
8048 KB |
Output is correct |
| 41 |
Correct |
76 ms |
8048 KB |
Output is correct |
| 42 |
Correct |
67 ms |
8048 KB |
Output is correct |
| 43 |
Correct |
2 ms |
8048 KB |
Output is correct |
| 44 |
Correct |
48 ms |
8048 KB |
Output is correct |
| 45 |
Correct |
4 ms |
8048 KB |
Output is correct |
| 46 |
Correct |
39 ms |
8048 KB |
Output is correct |
| 47 |
Correct |
52 ms |
8048 KB |
Output is correct |
| 48 |
Correct |
36 ms |
8048 KB |
Output is correct |
| 49 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 50 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 51 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 52 |
Correct |
6 ms |
8048 KB |
Output is correct |
| 53 |
Correct |
72 ms |
8048 KB |
Output is correct |
| 54 |
Correct |
17 ms |
8048 KB |
Output is correct |
| 55 |
Correct |
72 ms |
8048 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
416 KB |
Output is correct |
| 4 |
Correct |
3 ms |
420 KB |
Output is correct |
| 5 |
Correct |
2 ms |
420 KB |
Output is correct |
| 6 |
Correct |
3 ms |
420 KB |
Output is correct |
| 7 |
Correct |
3 ms |
496 KB |
Output is correct |
| 8 |
Correct |
3 ms |
496 KB |
Output is correct |
| 9 |
Correct |
2 ms |
496 KB |
Output is correct |
| 10 |
Correct |
2 ms |
544 KB |
Output is correct |
| 11 |
Correct |
2 ms |
544 KB |
Output is correct |
| 12 |
Correct |
2 ms |
544 KB |
Output is correct |
| 13 |
Correct |
2 ms |
544 KB |
Output is correct |
| 14 |
Correct |
2 ms |
544 KB |
Output is correct |
| 15 |
Correct |
3 ms |
544 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
3 ms |
620 KB |
Output is correct |
| 20 |
Correct |
3 ms |
620 KB |
Output is correct |
| 21 |
Correct |
2 ms |
620 KB |
Output is correct |
| 22 |
Correct |
3 ms |
620 KB |
Output is correct |
| 23 |
Correct |
3 ms |
736 KB |
Output is correct |
| 24 |
Correct |
3 ms |
736 KB |
Output is correct |
| 25 |
Correct |
2 ms |
736 KB |
Output is correct |
| 26 |
Correct |
2 ms |
736 KB |
Output is correct |
| 27 |
Correct |
3 ms |
736 KB |
Output is correct |
| 28 |
Correct |
3 ms |
736 KB |
Output is correct |
| 29 |
Correct |
3 ms |
736 KB |
Output is correct |
| 30 |
Correct |
3 ms |
736 KB |
Output is correct |
| 31 |
Correct |
3 ms |
736 KB |
Output is correct |
| 32 |
Correct |
2 ms |
736 KB |
Output is correct |
| 33 |
Correct |
2 ms |
736 KB |
Output is correct |
| 34 |
Correct |
3 ms |
736 KB |
Output is correct |
| 35 |
Correct |
4 ms |
736 KB |
Output is correct |
| 36 |
Correct |
2 ms |
736 KB |
Output is correct |
| 37 |
Correct |
2 ms |
736 KB |
Output is correct |
| 38 |
Correct |
3 ms |
736 KB |
Output is correct |
| 39 |
Correct |
15 ms |
748 KB |
Output is correct |
| 40 |
Execution timed out |
3047 ms |
4448 KB |
Time limit exceeded |
| 41 |
Runtime error |
250 ms |
7216 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 42 |
Runtime error |
198 ms |
7716 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 43 |
Correct |
3 ms |
7716 KB |
Output is correct |
| 44 |
Runtime error |
187 ms |
7716 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 45 |
Runtime error |
228 ms |
7788 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 46 |
Execution timed out |
3045 ms |
7788 KB |
Time limit exceeded |
| 47 |
Runtime error |
240 ms |
7820 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 48 |
Runtime error |
199 ms |
7992 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 49 |
Correct |
79 ms |
8048 KB |
Output is correct |
| 50 |
Execution timed out |
3066 ms |
8048 KB |
Time limit exceeded |
| 51 |
Correct |
95 ms |
8048 KB |
Output is correct |
| 52 |
Runtime error |
206 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 53 |
Runtime error |
248 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 54 |
Runtime error |
204 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 55 |
Correct |
69 ms |
8048 KB |
Output is correct |
| 56 |
Correct |
50 ms |
8048 KB |
Output is correct |
| 57 |
Correct |
21 ms |
8048 KB |
Output is correct |
| 58 |
Correct |
4 ms |
8048 KB |
Output is correct |
| 59 |
Correct |
36 ms |
8048 KB |
Output is correct |
| 60 |
Correct |
76 ms |
8048 KB |
Output is correct |
| 61 |
Correct |
67 ms |
8048 KB |
Output is correct |
| 62 |
Correct |
2 ms |
8048 KB |
Output is correct |
| 63 |
Correct |
48 ms |
8048 KB |
Output is correct |
| 64 |
Correct |
4 ms |
8048 KB |
Output is correct |
| 65 |
Correct |
39 ms |
8048 KB |
Output is correct |
| 66 |
Correct |
52 ms |
8048 KB |
Output is correct |
| 67 |
Correct |
36 ms |
8048 KB |
Output is correct |
| 68 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 69 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 70 |
Correct |
5 ms |
8048 KB |
Output is correct |
| 71 |
Correct |
6 ms |
8048 KB |
Output is correct |
| 72 |
Correct |
72 ms |
8048 KB |
Output is correct |
| 73 |
Correct |
17 ms |
8048 KB |
Output is correct |
| 74 |
Correct |
72 ms |
8048 KB |
Output is correct |
| 75 |
Runtime error |
208 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 76 |
Runtime error |
136 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 77 |
Correct |
1002 ms |
8048 KB |
Output is correct |
| 78 |
Correct |
72 ms |
8048 KB |
Output is correct |
| 79 |
Execution timed out |
3049 ms |
8048 KB |
Time limit exceeded |
| 80 |
Runtime error |
226 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 81 |
Correct |
33 ms |
8048 KB |
Output is correct |
| 82 |
Runtime error |
206 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 83 |
Correct |
69 ms |
8048 KB |
Output is correct |
| 84 |
Runtime error |
206 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 85 |
Execution timed out |
3053 ms |
8048 KB |
Time limit exceeded |
| 86 |
Execution timed out |
3017 ms |
8048 KB |
Time limit exceeded |
| 87 |
Correct |
125 ms |
8048 KB |
Output is correct |
| 88 |
Correct |
103 ms |
8048 KB |
Output is correct |
| 89 |
Runtime error |
242 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 90 |
Runtime error |
204 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 91 |
Runtime error |
211 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 92 |
Runtime error |
204 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 93 |
Execution timed out |
3059 ms |
8048 KB |
Time limit exceeded |
| 94 |
Runtime error |
205 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 95 |
Runtime error |
210 ms |
8048 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
