| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 50199 |
2018-06-08T09:32:25 Z |
mra2322001 |
Boat (APIO16_boat) |
C++14 |
|
4 ms |
1012 KB |
#include <bits/stdc++.h>
#define f0(i, n) for(int i=(0); i<n; i++)
#define f1(i, n) for(int i=(1); i<=n; i++)
#define x first
#define y second
#define mod 1000000007
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
const int N = 502;
int n;
pii a[N];
void sub1(){
vector <int> f(n + 3, 0);
f1(i, n){
f[i] = 1;
for(int j = i - 1; j >= 1; j--){
if(a[j].x < a[i].x){
f[i] = (f[i] + f[j])%mod;
}
}
}
int res = 0;
f1(i, n) res = (res + f[i])%mod;
cout << res;
exit(0);
}
main(){
ios_base::sync_with_stdio(0);
bool giong = 1;
cin >> n;
f1(i, n){
cin >> a[i].x >> a[i].y;
if(a[i].x != a[i].y) giong = 0;
}
if(giong) sub1();
}
Compilation message
boat.cpp:32:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
3 ms |
648 KB |
Output is correct |
| 5 |
Correct |
3 ms |
648 KB |
Output is correct |
| 6 |
Correct |
3 ms |
796 KB |
Output is correct |
| 7 |
Correct |
3 ms |
796 KB |
Output is correct |
| 8 |
Correct |
4 ms |
884 KB |
Output is correct |
| 9 |
Correct |
3 ms |
884 KB |
Output is correct |
| 10 |
Correct |
3 ms |
912 KB |
Output is correct |
| 11 |
Correct |
3 ms |
912 KB |
Output is correct |
| 12 |
Correct |
3 ms |
912 KB |
Output is correct |
| 13 |
Correct |
3 ms |
964 KB |
Output is correct |
| 14 |
Correct |
3 ms |
964 KB |
Output is correct |
| 15 |
Correct |
3 ms |
964 KB |
Output is correct |
| 16 |
Correct |
3 ms |
964 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 20 |
Correct |
3 ms |
1012 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
3 ms |
648 KB |
Output is correct |
| 5 |
Correct |
3 ms |
648 KB |
Output is correct |
| 6 |
Correct |
3 ms |
796 KB |
Output is correct |
| 7 |
Correct |
3 ms |
796 KB |
Output is correct |
| 8 |
Correct |
4 ms |
884 KB |
Output is correct |
| 9 |
Correct |
3 ms |
884 KB |
Output is correct |
| 10 |
Correct |
3 ms |
912 KB |
Output is correct |
| 11 |
Correct |
3 ms |
912 KB |
Output is correct |
| 12 |
Correct |
3 ms |
912 KB |
Output is correct |
| 13 |
Correct |
3 ms |
964 KB |
Output is correct |
| 14 |
Correct |
3 ms |
964 KB |
Output is correct |
| 15 |
Correct |
3 ms |
964 KB |
Output is correct |
| 16 |
Correct |
3 ms |
964 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 20 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 21 |
Incorrect |
2 ms |
1012 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
1012 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
3 ms |
648 KB |
Output is correct |
| 5 |
Correct |
3 ms |
648 KB |
Output is correct |
| 6 |
Correct |
3 ms |
796 KB |
Output is correct |
| 7 |
Correct |
3 ms |
796 KB |
Output is correct |
| 8 |
Correct |
4 ms |
884 KB |
Output is correct |
| 9 |
Correct |
3 ms |
884 KB |
Output is correct |
| 10 |
Correct |
3 ms |
912 KB |
Output is correct |
| 11 |
Correct |
3 ms |
912 KB |
Output is correct |
| 12 |
Correct |
3 ms |
912 KB |
Output is correct |
| 13 |
Correct |
3 ms |
964 KB |
Output is correct |
| 14 |
Correct |
3 ms |
964 KB |
Output is correct |
| 15 |
Correct |
3 ms |
964 KB |
Output is correct |
| 16 |
Correct |
3 ms |
964 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 20 |
Correct |
3 ms |
1012 KB |
Output is correct |
| 21 |
Incorrect |
2 ms |
1012 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
