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Submission #32225

# Submission time Handle Problem Language Result Execution time Memory
32225 2017-10-05T01:00:52 Z giatuevu Boat (APIO16_boat) C++14
9 / 100
 3 ms 2032 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair <long long,long long> ll;
ll a[505];
long long n,f[505][2],mod=1e9+7,kq;
bool check1,check2,check3;
void sub1()
{
    for (int i=1; i<=n; ++i)
    {
        long long pos=1,pos2=1;
                for (int j=1; j<i; ++j)
        {
            f[i][0]=(f[i][0]+f[j][1])%mod;
            if (a[i].first>a[j].first) f[i][1]=(f[i][1]+f[j][1])%mod;
        }
        f[i][1]++;
    }
    cout<<(f[n][0]+f[n][1])%mod;
}
int main()
{
    cin>>n;
    check1=check2=check3=true;
    for (int i=1; i<=n; ++i)
    {
        cin>>a[i].first>>a[i].second;
        if (a[i].first!=a[i].second) check1=false;
    }
    if (check1==true) sub1();
}

Compilation message

boat.cpp: In function 'void sub1()':
boat.cpp:11:19: warning: unused variable 'pos' [-Wunused-variable]
         long long pos=1,pos2=1;
                   ^
boat.cpp:11:25: warning: unused variable 'pos2' [-Wunused-variable]
         long long pos=1,pos2=1;
                         ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2032 KB Output is correct
2 Correct 3 ms 2032 KB Output is correct
3 Correct 3 ms 2032 KB Output is correct
4 Correct 3 ms 2032 KB Output is correct
5 Correct 3 ms 2032 KB Output is correct
6 Correct 3 ms 2032 KB Output is correct
7 Correct 3 ms 2032 KB Output is correct
8 Correct 3 ms 2032 KB Output is correct
9 Correct 3 ms 2032 KB Output is correct
10 Correct 3 ms 2032 KB Output is correct
11 Correct 3 ms 2032 KB Output is correct
12 Correct 3 ms 2032 KB Output is correct
13 Correct 3 ms 2032 KB Output is correct
14 Correct 3 ms 2032 KB Output is correct
15 Correct 3 ms 2032 KB Output is correct
16 Correct 3 ms 2032 KB Output is correct
17 Correct 3 ms 2032 KB Output is correct
18 Correct 3 ms 2032 KB Output is correct
19 Correct 3 ms 2032 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2032 KB Output is correct
2 Correct 3 ms 2032 KB Output is correct
3 Correct 3 ms 2032 KB Output is correct
4 Correct 3 ms 2032 KB Output is correct
5 Correct 3 ms 2032 KB Output is correct
6 Correct 3 ms 2032 KB Output is correct
7 Correct 3 ms 2032 KB Output is correct
8 Correct 3 ms 2032 KB Output is correct
9 Correct 3 ms 2032 KB Output is correct
10 Correct 3 ms 2032 KB Output is correct
11 Correct 3 ms 2032 KB Output is correct
12 Correct 3 ms 2032 KB Output is correct
13 Correct 3 ms 2032 KB Output is correct
14 Correct 3 ms 2032 KB Output is correct
15 Correct 3 ms 2032 KB Output is correct
16 Correct 3 ms 2032 KB Output is correct
17 Correct 3 ms 2032 KB Output is correct
18 Correct 3 ms 2032 KB Output is correct
19 Correct 3 ms 2032 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct
21 Incorrect 0 ms 2032 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2032 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2032 KB Output is correct
2 Correct 3 ms 2032 KB Output is correct
3 Correct 3 ms 2032 KB Output is correct
4 Correct 3 ms 2032 KB Output is correct
5 Correct 3 ms 2032 KB Output is correct
6 Correct 3 ms 2032 KB Output is correct
7 Correct 3 ms 2032 KB Output is correct
8 Correct 3 ms 2032 KB Output is correct
9 Correct 3 ms 2032 KB Output is correct
10 Correct 3 ms 2032 KB Output is correct
11 Correct 3 ms 2032 KB Output is correct
12 Correct 3 ms 2032 KB Output is correct
13 Correct 3 ms 2032 KB Output is correct
14 Correct 3 ms 2032 KB Output is correct
15 Correct 3 ms 2032 KB Output is correct
16 Correct 3 ms 2032 KB Output is correct
17 Correct 3 ms 2032 KB Output is correct
18 Correct 3 ms 2032 KB Output is correct
19 Correct 3 ms 2032 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct
21 Incorrect 0 ms 2032 KB Output isn't correct
22 Halted 0 ms 0 KB -