CSES - Datatähti 2024 alku

CSES - Datatähti 2024 alku - Results

Submission details
Task:	Säähavainnot
Sender:	perusjuntti
Submission time:	2023-11-03 08:43:49 +0200
Language:	C++ (C++11)
Status:	READY
Result:	45

Feedback
group	verdict	score
#1	ACCEPTED	44.75

Test results
test	verdict	time	score
#1	ACCEPTED	0.02 s	5.5	details
#2	ACCEPTED	0.02 s	6.13	details
#3	ACCEPTED	0.02 s	5.75	details
#4	ACCEPTED	0.02 s	5.25	details
#5	ACCEPTED	0.02 s	6	details
#6	ACCEPTED	0.02 s	5.5	details
#7	ACCEPTED	0.02 s	5.25	details
#8	ACCEPTED	0.02 s	5.38	details

Code

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        vector<long double> a(24);
        for (auto &i:a) {
            cin >> i;
        }
        long double x1 = 1, x2 = 2;
        long double y1 = a[22], y2 = a[23];
        long double A = (y1-y2)/(x1-x2);
        long double B = y1-A*x1;
 
        long double prev1 = 3*A+B;
        cout << prev1 << ' ';
 
        x1 = 2, x2 = 3;
        y1 = a[23], y2 = prev1;
        A = (y1-y2)/(x1-x2);
        B = y1-A*x1;
        
        long double prev2 = 3*A+B;
        cout << prev2 << ' ';
 
        x1 = 3, x2 = 4;
        y1 = prev1, y2 = prev2;
        A = (y1-y2)/(x1-x2);
        B = y1-A*x1;
 
        prev1 = prev2;
        prev2 = 3*A+B;
        cout << prev2 << ' ';
 
        int j = 0;
        for (; j < 2; ++j) {
            ++x1, ++x2;
            y1 = prev1, y2 = prev2;
            A = (y1-y2)/(x1-x2);
            B = y1-A*x1;
 
            prev1 = prev2;
            prev2 = 3*A+B;
            cout << prev2 << ' ';
        }
        for (int k = 9-j; k > 0; --k) 
            cout << "? ";
    
    }
}

Test details

Test 1

Verdict: ACCEPTED

input
`1000 -0.4 -0.1 -0.2 -0.3 -0.4 -0.5 ...` view save

correct output
`0.4 0.4 0.5 0.8 0.9 1.1 1.3 1....` view save

user output
`0.2 0.2 0.2 0.2 0.2 ? ? ? ? ? ...` Truncated

Test 2

Verdict: ACCEPTED

input
`1000 2.9 2.9 2.9 2.1 2.6 2 2 2.2 2....` view save

correct output
`2.3 1.6 1.5 1.1 1 0.7 0.6 0.8 ...` view save

user output
`2.8 2.8 2.8 2.8 2.8 ? ? ? ? ? ...` Truncated

Test 3

Verdict: ACCEPTED

input
`1000 6.6 6 6.4 6 4.6 4.6 4.2 4.3 4....` view save

correct output
`10 10.9 10.3 10.1 9.1 7.3 5.7 ...` view save

user output
`11.3 11.3 11.3 11.3 11.3 ? ? ?...` Truncated

Test 4

Verdict: ACCEPTED

input
`1000 19.4 20.2 19.1 18.9 18.3 17.3 ...` view save

correct output
`18 18.2 17 17.5 17.2 16.2 12 8...` view save

user output
`17 17 17 17 17 ? ? ? ? ? ? ? 7...` Truncated

Test 5

Verdict: ACCEPTED

input
`1000 -5.7 -5.8 -5.8 -5.9 -7.1 -6.9 ...` view save

correct output
`-4.2 -4.1 -4 -3.8 -3.5 -3.2 -3...` view save

user output
`-4.3 -4.3 -4.3 -4.3 -4.3 ? ? ?...` Truncated

Test 6

Verdict: ACCEPTED

input
`1000 14.8 14.8 15.4 12.9 11.8 9.7 9...` view save

correct output
`11.8 11 11.6 10.8 10.4 10.4 10...` view save

user output
`12.4 12.4 12.4 12.4 12.4 ? ? ?...` Truncated

Test 7

Verdict: ACCEPTED

input
`1000 0.7 1 2 1.4 0.6 -0.4 -0.9 -0.7...` view save

correct output
`-1.3 -0.5 -0.6 -1 -3.2 -7.2 -6...` view save

user output
`-1.6 -1.6 -1.6 -1.6 -1.6 ? ? ?...` Truncated

Test 8

Verdict: ACCEPTED

input
`1000 15.1 15.3 14.9 14.4 14.4 13.7 ...` view save

correct output
`15.6 15.9 16 15.2 14.6 14.4 13...` view save

user output
`15.9 15.9 15.9 15.9 15.9 ? ? ?...` Truncated

Datatähti 2024 alku

Säähavainnot

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Tasks

Submissions (perusjuntti)