QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#622900 | #8795. Mysterious Sequence | rns_ksr# | WA | 1ms | 5900kb | C++14 | 931b | 2024-10-09 08:23:16 | 2024-10-09 08:23:17 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef __float128 ld;
#define pii pair<double, double>
#define fi first
#define se second
#define VI vector<int>
#define VII vector<vector<int> >
const int N = 500500;
const int inf = 1e9 + 100;
const ll infll = 2e18 + 500;
pii val[N];
double ans[N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
double a, b;
int n, x, y;
cin >> a >> b >> n >> x >> y;
val[1] = pii(1, 0);
val[2] = pii(0, 1);
for (int i = 3; i <= n; i++) {
val[i].fi = a * val[i - 2].fi + b * val[i - 1].fi;
val[i].se = a * val[i - 2].se + b * val[i - 1].se;
}
ans[1] = x, ans[n] = y;
ans[2] = (1.0 * y - val[n].fi * x) / val[n].se;
for (int i = 3; i <= n - 1; i++) ans[i] = ans[i - 2] * a + ans[i - 1] * b;
for (int i = 1; i <= n; i++) cout << setprecision(10) << fixed << ans[i] << endl;
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5880kb
input:
1.0 1.0 10 1 10
output:
1.0000000000 -0.3235294118 0.6764705882 0.3529411765 1.0294117647 1.3823529412 2.4117647059 3.7941176471 6.2058823529 10.0000000000
result:
ok 10 numbers
Test #2:
score: 0
Accepted
time: 1ms
memory: 5900kb
input:
1 1 2 1 100
output:
1.0000000000 100.0000000000
result:
ok 2 numbers
Test #3:
score: 0
Accepted
time: 1ms
memory: 5892kb
input:
1 1 5 50 100
output:
50.0000000000 0.0000000000 50.0000000000 50.0000000000 100.0000000000
result:
ok 5 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 5844kb
input:
0.25 0.25 10 1 1
output:
1.0000000000 55.8755364807 14.2188841202 17.5236051502 7.9356223176 6.3648068670 3.5751072961 2.4849785408 1.5150214592 1.0000000000
result:
ok 10 numbers
Test #5:
score: -100
Wrong Answer
time: 1ms
memory: 5884kb
input:
0.25 0.63 6 93 12
output:
93.0000000000 -2.1968951561 21.8659560517 13.2263285235 13.7990759827 12.0000000000
result:
wrong answer 2nd numbers differ - expected: '-14.2048080', found: '-2.1968952', error = '0.8453414'