| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 66243 |
2018-08-10T05:31:39 Z |
노영훈(#1886) |
초음속철도 (OJUZ11_rail) |
C++11 |
|
395 ms |
197952 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=5010, MOD=1e9+7;
int pw(int e){
if(e==0) return 1;
ll t=pw(e/2); t=t*t%MOD;
return (e%2==0 ? t : t*2%MOD);
}
int n, m, lim;
struct rail{
int s, e;
void scan(){ cin>>s>>e; }
} R[MX];
vector<int> P[2*MX];
int D[MX][2*MX];
int solve(){
for(int i=1; i<=n; i++){
P[R[i].s].push_back(R[i].e);
}
// for(int i=1; i<=lim; i++) sort(P[i].begin(), P[i].end());
D[0][1]=1;
for(int s=1, pos=0; s<=lim; s++){
for(int e:P[s]){
pos++;
for(int x=1; x<=lim; x++)
D[pos][x]=D[pos-1][x];
for(int x=s; x<=lim; x++)
D[pos][max(x,e)] = (D[pos][max(x,e)] + D[pos-1][x])%MOD;
}
}
// for(int i=1; i<=n; i++, cout<<'\n') for(int j=1; j<=lim; j++) cout<<D[i][j]<<' ';
return D[n][lim];
}
int main(){
ios::sync_with_stdio(0); cin.tie(0);
cin>>m>>n;
vector<int> X={1,m};
for(int i=1; i<=n; i++){
R[i].scan();
X.push_back(R[i].s);
X.push_back(R[i].e);
}
sort(X.begin(), X.end());
lim=unique(X.begin(), X.end())-X.begin();
X.resize(lim);
for(int i=1; i<=n; i++){
R[i].s=lower_bound(X.begin(), X.end(), R[i].s)-X.begin()+1;
R[i].e=lower_bound(X.begin(), X.end(), R[i].e)-X.begin()+1;
}
cout<<solve()<<'\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
632 KB |
Output is correct |
| 2 |
Correct |
2 ms |
744 KB |
Output is correct |
| 3 |
Correct |
4 ms |
808 KB |
Output is correct |
| 4 |
Correct |
4 ms |
808 KB |
Output is correct |
| 5 |
Correct |
3 ms |
808 KB |
Output is correct |
| 6 |
Correct |
4 ms |
808 KB |
Output is correct |
| 7 |
Correct |
3 ms |
932 KB |
Output is correct |
| 8 |
Correct |
3 ms |
932 KB |
Output is correct |
| 9 |
Correct |
3 ms |
932 KB |
Output is correct |
| 10 |
Correct |
2 ms |
932 KB |
Output is correct |
| 11 |
Correct |
3 ms |
932 KB |
Output is correct |
| 12 |
Correct |
3 ms |
932 KB |
Output is correct |
| 13 |
Correct |
3 ms |
932 KB |
Output is correct |
| 14 |
Correct |
3 ms |
932 KB |
Output is correct |
| 15 |
Correct |
3 ms |
932 KB |
Output is correct |
| 16 |
Correct |
2 ms |
932 KB |
Output is correct |
| 17 |
Correct |
2 ms |
932 KB |
Output is correct |
| 18 |
Correct |
4 ms |
932 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
632 KB |
Output is correct |
| 2 |
Correct |
2 ms |
744 KB |
Output is correct |
| 3 |
Correct |
4 ms |
808 KB |
Output is correct |
| 4 |
Correct |
4 ms |
808 KB |
Output is correct |
| 5 |
Correct |
3 ms |
808 KB |
Output is correct |
| 6 |
Correct |
4 ms |
808 KB |
Output is correct |
| 7 |
Correct |
3 ms |
932 KB |
Output is correct |
| 8 |
Correct |
3 ms |
932 KB |
Output is correct |
| 9 |
Correct |
3 ms |
932 KB |
Output is correct |
| 10 |
Correct |
2 ms |
932 KB |
Output is correct |
| 11 |
Correct |
3 ms |
932 KB |
Output is correct |
| 12 |
Correct |
3 ms |
932 KB |
Output is correct |
| 13 |
Correct |
3 ms |
932 KB |
Output is correct |
| 14 |
Correct |
3 ms |
932 KB |
Output is correct |
| 15 |
Correct |
3 ms |
932 KB |
Output is correct |
| 16 |
Correct |
2 ms |
932 KB |
Output is correct |
| 17 |
Correct |
2 ms |
932 KB |
Output is correct |
| 18 |
Correct |
4 ms |
932 KB |
Output is correct |
| 19 |
Correct |
3 ms |
932 KB |
Output is correct |
| 20 |
Correct |
2 ms |
932 KB |
Output is correct |
| 21 |
Correct |
2 ms |
932 KB |
Output is correct |
| 22 |
Correct |
3 ms |
932 KB |
Output is correct |
| 23 |
Correct |
3 ms |
932 KB |
Output is correct |
| 24 |
Correct |
3 ms |
932 KB |
Output is correct |
| 25 |
Correct |
2 ms |
932 KB |
Output is correct |
| 26 |
Correct |
3 ms |
932 KB |
Output is correct |
| 27 |
Correct |
3 ms |
932 KB |
Output is correct |
| 28 |
Correct |
3 ms |
932 KB |
Output is correct |
| 29 |
Correct |
3 ms |
932 KB |
Output is correct |
| 30 |
Correct |
3 ms |
932 KB |
Output is correct |
| 31 |
Correct |
3 ms |
932 KB |
Output is correct |
| 32 |
Correct |
2 ms |
932 KB |
Output is correct |
| 33 |
Correct |
3 ms |
932 KB |
Output is correct |
| 34 |
Correct |
2 ms |
932 KB |
Output is correct |
| 35 |
Correct |
4 ms |
932 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
932 KB |
Output is correct |
| 2 |
Correct |
3 ms |
932 KB |
Output is correct |
| 3 |
Correct |
2 ms |
932 KB |
Output is correct |
| 4 |
Correct |
80 ms |
47844 KB |
Output is correct |
| 5 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 6 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 7 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 8 |
Correct |
2 ms |
47844 KB |
Output is correct |
| 9 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 10 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 11 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 12 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 13 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 14 |
Incorrect |
4 ms |
47844 KB |
Output isn't correct |
| 15 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 16 |
Incorrect |
4 ms |
47844 KB |
Output isn't correct |
| 17 |
Runtime error |
11 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 18 |
Runtime error |
13 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 19 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
632 KB |
Output is correct |
| 2 |
Correct |
2 ms |
744 KB |
Output is correct |
| 3 |
Correct |
4 ms |
808 KB |
Output is correct |
| 4 |
Correct |
4 ms |
808 KB |
Output is correct |
| 5 |
Correct |
3 ms |
808 KB |
Output is correct |
| 6 |
Correct |
4 ms |
808 KB |
Output is correct |
| 7 |
Correct |
3 ms |
932 KB |
Output is correct |
| 8 |
Correct |
3 ms |
932 KB |
Output is correct |
| 9 |
Correct |
3 ms |
932 KB |
Output is correct |
| 10 |
Correct |
2 ms |
932 KB |
Output is correct |
| 11 |
Correct |
3 ms |
932 KB |
Output is correct |
| 12 |
Correct |
3 ms |
932 KB |
Output is correct |
| 13 |
Correct |
3 ms |
932 KB |
Output is correct |
| 14 |
Correct |
3 ms |
932 KB |
Output is correct |
| 15 |
Correct |
3 ms |
932 KB |
Output is correct |
| 16 |
Correct |
2 ms |
932 KB |
Output is correct |
| 17 |
Correct |
2 ms |
932 KB |
Output is correct |
| 18 |
Correct |
4 ms |
932 KB |
Output is correct |
| 19 |
Correct |
3 ms |
932 KB |
Output is correct |
| 20 |
Correct |
2 ms |
932 KB |
Output is correct |
| 21 |
Correct |
2 ms |
932 KB |
Output is correct |
| 22 |
Correct |
3 ms |
932 KB |
Output is correct |
| 23 |
Correct |
3 ms |
932 KB |
Output is correct |
| 24 |
Correct |
3 ms |
932 KB |
Output is correct |
| 25 |
Correct |
2 ms |
932 KB |
Output is correct |
| 26 |
Correct |
3 ms |
932 KB |
Output is correct |
| 27 |
Correct |
3 ms |
932 KB |
Output is correct |
| 28 |
Correct |
3 ms |
932 KB |
Output is correct |
| 29 |
Correct |
3 ms |
932 KB |
Output is correct |
| 30 |
Correct |
3 ms |
932 KB |
Output is correct |
| 31 |
Correct |
3 ms |
932 KB |
Output is correct |
| 32 |
Correct |
2 ms |
932 KB |
Output is correct |
| 33 |
Correct |
3 ms |
932 KB |
Output is correct |
| 34 |
Correct |
2 ms |
932 KB |
Output is correct |
| 35 |
Correct |
4 ms |
932 KB |
Output is correct |
| 36 |
Correct |
362 ms |
197928 KB |
Output is correct |
| 37 |
Correct |
261 ms |
197928 KB |
Output is correct |
| 38 |
Correct |
93 ms |
197928 KB |
Output is correct |
| 39 |
Correct |
17 ms |
197928 KB |
Output is correct |
| 40 |
Correct |
140 ms |
197928 KB |
Output is correct |
| 41 |
Correct |
317 ms |
197928 KB |
Output is correct |
| 42 |
Correct |
347 ms |
197952 KB |
Output is correct |
| 43 |
Correct |
2 ms |
197952 KB |
Output is correct |
| 44 |
Correct |
284 ms |
197952 KB |
Output is correct |
| 45 |
Correct |
17 ms |
197952 KB |
Output is correct |
| 46 |
Correct |
222 ms |
197952 KB |
Output is correct |
| 47 |
Correct |
222 ms |
197952 KB |
Output is correct |
| 48 |
Correct |
197 ms |
197952 KB |
Output is correct |
| 49 |
Correct |
29 ms |
197952 KB |
Output is correct |
| 50 |
Correct |
22 ms |
197952 KB |
Output is correct |
| 51 |
Correct |
21 ms |
197952 KB |
Output is correct |
| 52 |
Correct |
21 ms |
197952 KB |
Output is correct |
| 53 |
Correct |
306 ms |
197952 KB |
Output is correct |
| 54 |
Correct |
89 ms |
197952 KB |
Output is correct |
| 55 |
Correct |
395 ms |
197952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
632 KB |
Output is correct |
| 2 |
Correct |
2 ms |
744 KB |
Output is correct |
| 3 |
Correct |
4 ms |
808 KB |
Output is correct |
| 4 |
Correct |
4 ms |
808 KB |
Output is correct |
| 5 |
Correct |
3 ms |
808 KB |
Output is correct |
| 6 |
Correct |
4 ms |
808 KB |
Output is correct |
| 7 |
Correct |
3 ms |
932 KB |
Output is correct |
| 8 |
Correct |
3 ms |
932 KB |
Output is correct |
| 9 |
Correct |
3 ms |
932 KB |
Output is correct |
| 10 |
Correct |
2 ms |
932 KB |
Output is correct |
| 11 |
Correct |
3 ms |
932 KB |
Output is correct |
| 12 |
Correct |
3 ms |
932 KB |
Output is correct |
| 13 |
Correct |
3 ms |
932 KB |
Output is correct |
| 14 |
Correct |
3 ms |
932 KB |
Output is correct |
| 15 |
Correct |
3 ms |
932 KB |
Output is correct |
| 16 |
Correct |
2 ms |
932 KB |
Output is correct |
| 17 |
Correct |
2 ms |
932 KB |
Output is correct |
| 18 |
Correct |
4 ms |
932 KB |
Output is correct |
| 19 |
Correct |
3 ms |
932 KB |
Output is correct |
| 20 |
Correct |
2 ms |
932 KB |
Output is correct |
| 21 |
Correct |
2 ms |
932 KB |
Output is correct |
| 22 |
Correct |
3 ms |
932 KB |
Output is correct |
| 23 |
Correct |
3 ms |
932 KB |
Output is correct |
| 24 |
Correct |
3 ms |
932 KB |
Output is correct |
| 25 |
Correct |
2 ms |
932 KB |
Output is correct |
| 26 |
Correct |
3 ms |
932 KB |
Output is correct |
| 27 |
Correct |
3 ms |
932 KB |
Output is correct |
| 28 |
Correct |
3 ms |
932 KB |
Output is correct |
| 29 |
Correct |
3 ms |
932 KB |
Output is correct |
| 30 |
Correct |
3 ms |
932 KB |
Output is correct |
| 31 |
Correct |
3 ms |
932 KB |
Output is correct |
| 32 |
Correct |
2 ms |
932 KB |
Output is correct |
| 33 |
Correct |
3 ms |
932 KB |
Output is correct |
| 34 |
Correct |
2 ms |
932 KB |
Output is correct |
| 35 |
Correct |
4 ms |
932 KB |
Output is correct |
| 36 |
Correct |
3 ms |
932 KB |
Output is correct |
| 37 |
Correct |
3 ms |
932 KB |
Output is correct |
| 38 |
Correct |
2 ms |
932 KB |
Output is correct |
| 39 |
Correct |
80 ms |
47844 KB |
Output is correct |
| 40 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 41 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 42 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 43 |
Correct |
2 ms |
47844 KB |
Output is correct |
| 44 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 45 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 46 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 47 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 48 |
Runtime error |
9 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 49 |
Incorrect |
4 ms |
47844 KB |
Output isn't correct |
| 50 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 51 |
Incorrect |
4 ms |
47844 KB |
Output isn't correct |
| 52 |
Runtime error |
11 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 53 |
Runtime error |
13 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 54 |
Runtime error |
10 ms |
47844 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 55 |
Correct |
362 ms |
197928 KB |
Output is correct |
| 56 |
Correct |
261 ms |
197928 KB |
Output is correct |
| 57 |
Correct |
93 ms |
197928 KB |
Output is correct |
| 58 |
Correct |
17 ms |
197928 KB |
Output is correct |
| 59 |
Correct |
140 ms |
197928 KB |
Output is correct |
| 60 |
Correct |
317 ms |
197928 KB |
Output is correct |
| 61 |
Correct |
347 ms |
197952 KB |
Output is correct |
| 62 |
Correct |
2 ms |
197952 KB |
Output is correct |
| 63 |
Correct |
284 ms |
197952 KB |
Output is correct |
| 64 |
Correct |
17 ms |
197952 KB |
Output is correct |
| 65 |
Correct |
222 ms |
197952 KB |
Output is correct |
| 66 |
Correct |
222 ms |
197952 KB |
Output is correct |
| 67 |
Correct |
197 ms |
197952 KB |
Output is correct |
| 68 |
Correct |
29 ms |
197952 KB |
Output is correct |
| 69 |
Correct |
22 ms |
197952 KB |
Output is correct |
| 70 |
Correct |
21 ms |
197952 KB |
Output is correct |
| 71 |
Correct |
21 ms |
197952 KB |
Output is correct |
| 72 |
Correct |
306 ms |
197952 KB |
Output is correct |
| 73 |
Correct |
89 ms |
197952 KB |
Output is correct |
| 74 |
Correct |
395 ms |
197952 KB |
Output is correct |
| 75 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 76 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 77 |
Incorrect |
46 ms |
197952 KB |
Output isn't correct |
| 78 |
Incorrect |
4 ms |
197952 KB |
Output isn't correct |
| 79 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 80 |
Runtime error |
10 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 81 |
Correct |
225 ms |
197952 KB |
Output is correct |
| 82 |
Runtime error |
10 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 83 |
Incorrect |
4 ms |
197952 KB |
Output isn't correct |
| 84 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 85 |
Runtime error |
12 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 86 |
Runtime error |
16 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 87 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 88 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 89 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 90 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 91 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 92 |
Runtime error |
10 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 93 |
Runtime error |
11 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 94 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 95 |
Runtime error |
9 ms |
197952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
