Task: | Säähavainnot |
Sender: | perusjuntti |
Submission time: | 2023-11-03 10:43:57 +0200 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 17 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 17.38 |
test | verdict | time | score | |
---|---|---|---|---|
#1 | ACCEPTED | 0.02 s | 2.25 | details |
#2 | ACCEPTED | 0.02 s | 2.38 | details |
#3 | ACCEPTED | 0.02 s | 2.38 | details |
#4 | ACCEPTED | 0.02 s | 2 | details |
#5 | ACCEPTED | 0.02 s | 2.5 | details |
#6 | ACCEPTED | 0.02 s | 2.13 | details |
#7 | ACCEPTED | 0.02 s | 1.88 | details |
#8 | ACCEPTED | 0.02 s | 1.88 | details |
Code
// Lähde: GeeksForGeeks#include <iostream>#include <stdio.h>#include <vector>using namespace std;class Regression {vector<float> x;vector<float> y;float coeff;float constTerm;float sum_xy;float sum_x;float sum_y;float sum_x_square;float sum_y_square;public:Regression() {coeff = 0;constTerm = 0;sum_y = 0;sum_y_square = 0;sum_x_square = 0;sum_x = 0;sum_xy = 0;}void calculateCoefficient() {float N = x.size();float numerator= (N * sum_xy - sum_x * sum_y);float denominator= (N * sum_x_square - sum_x * sum_x);coeff = numerator / denominator;}void calculateConstantTerm() {float N = x.size();float numerator= (sum_y * sum_x_square - sum_x * sum_xy);float denominator= (N * sum_x_square - sum_x * sum_x);constTerm = numerator / denominator;}void takeInput(int n) {for (int i = 0; i < 20; ++i) {float x;cin >> x;}for (int i = 0; i < 4; ++i) {float xi = i+1;float yi;cin >> yi;sum_xy += xi * yi;sum_x += xi;sum_y += yi;sum_x_square += xi * xi;sum_y_square += yi * yi;x.push_back(xi);y.push_back(yi);}}float predict(float x) {return coeff * x + constTerm;}};int main() {int n;cin >> n;for (int i = 0; i < n; ++i) {Regression reg;reg.takeInput(24);reg.calculateCoefficient();reg.calculateConstantTerm();for (int j = 1; j <= 4; ++j) {cout << reg.predict(j+4) << ' ';}for (int i = 0; i < 8; ++i)cout << "? ";}}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
1000 -0.4 -0.1 -0.2 -0.3 -0.4 -0.5 ... |
correct output |
---|
0.4 0.4 0.5 0.8 0.9 1.1 1.3 1.... |
user output |
---|
0.4 0.53 0.66 0.79 ? ? ? ? ? ?... Truncated |
Test 2
Verdict: ACCEPTED
input |
---|
1000 2.9 2.9 2.9 2.1 2.6 2 2 2.2 2.... |
correct output |
---|
2.3 1.6 1.5 1.1 1 0.7 0.6 0.8 ... |
user output |
---|
2.7 2.82 2.94 3.06 ? ? ? ? ? ?... Truncated |
Test 3
Verdict: ACCEPTED
input |
---|
1000 6.6 6 6.4 6 4.6 4.6 4.2 4.3 4.... |
correct output |
---|
10 10.9 10.3 10.1 9.1 7.3 5.7 ... |
user output |
---|
11.15 12.21 13.27 14.33 ? ? ? ... Truncated |
Test 4
Verdict: ACCEPTED
input |
---|
1000 19.4 20.2 19.1 18.9 18.3 17.3 ... |
correct output |
---|
18 18.2 17 17.5 17.2 16.2 12 8... |
user output |
---|
18 18.49 18.98 19.47 ? ? ? ? ?... Truncated |
Test 5
Verdict: ACCEPTED
input |
---|
1000 -5.7 -5.8 -5.8 -5.9 -7.1 -6.9 ... |
correct output |
---|
-4.2 -4.1 -4 -3.8 -3.5 -3.2 -3... |
user output |
---|
-4.25 -4.03 -3.81 -3.59 ? ? ? ... Truncated |
Test 6
Verdict: ACCEPTED
input |
---|
1000 14.8 14.8 15.4 12.9 11.8 9.7 9... |
correct output |
---|
11.8 11 11.6 10.8 10.4 10.4 10... |
user output |
---|
13.55 14.27 14.99 15.71 ? ? ? ... Truncated |
Test 7
Verdict: ACCEPTED
input |
---|
1000 0.7 1 2 1.4 0.6 -0.4 -0.9 -0.7... |
correct output |
---|
-1.3 -0.5 -0.6 -1 -3.2 -7.2 -6... |
user output |
---|
-1.6 -1.41 -1.22 -1.03 ? ? ? ?... Truncated |
Test 8
Verdict: ACCEPTED
input |
---|
1000 15.1 15.3 14.9 14.4 14.4 13.7 ... |
correct output |
---|
15.6 15.9 16 15.2 14.6 14.4 13... |
user output |
---|
15.95 16.76 17.57 18.38 ? ? ? ... Truncated |