QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #647450 | #6423. Fireworks | shabi666# | WA | 3ms | 4204kb | C++20 | 572b | 2024-10-17 14:16:42 | 2024-10-17 14:16:44 |
Judging History
answer
#include <bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;
const int N = 1e6 + 5;
void solve() {
int n, m, p;
cin >> n >> m >> p;
double ans = INT_MAX;
for (int x = 1; x <= 1e4; x++) {
double t = 1.0 * (x * n + m) / (1 - pow(1 - p * 1e-4, x));
ans = min(ans, t);
}
cout << fixed << setprecision(20) << ans << endl;
}
signed main() {
ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int T = 1;
cin >> T;
while (T--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 4204kb
input:
3 1 1 5000 1 1 1 1 2 10000
output:
4.00000000000000000000 10141.58528911469511513133 3.00000000000000000000
result:
ok 3 numbers
Test #2:
score: 0
Accepted
time: 3ms
memory: 3988kb
input:
20 10 27 2855 79 59 6888 65 72 7725 78 50 2888 31 21 5759 41 58 6619 47 27 3881 35 55 5095 77 7 6028 17 89 1792 84 60 8604 58 44 4923 88 27 3824 54 63 1482 19 42 5366 93 76 97 100 99 8660 96 36 4343 90 56 9515 24 44 9922
output:
89.72980565054798773872 200.34843205574910030009 177.34627831715209822505 416.83987780035459991268 90.29345372460495866562 149.56942136274361132564 190.67250708580263562908 164.60152111557690091104 139.34970139349701412357 275.13311024842300867022 167.36401673640165199686 207.19073735527118174105 30...
result:
ok 20 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 4156kb
input:
10 954269343 987322500 9806 916720797 981711601 9728 902477101 957414437 9250 967013471 988735825 9674 985383693 926528961 9411 970653208 917703218 9331 998423148 911924940 9283 986159007 902133513 9759 953796828 947934512 9959 995334734 931874197 9944
output:
1980003919.02916574478149414062 1951513567.02302622795104980469 2010693554.59459447860717773438 2021655257.39094471931457519531 2031572260.12113475799560546875 2023744964.09816741943359375000 2057899480.77130246162414550781 1934924193.05256676673889160156 1909560538.20664715766906738281 1938062078.6...
result:
ok 10 numbers
Test #4:
score: 0
Accepted
time: 2ms
memory: 4148kb
input:
10 933722894 72 9673 975866948 5 9424 910984544 95 9682 994597175 6 9351 972675086 51 9712 952759975 51 9114 956482031 85 9478 921988922 72 9017 950640658 36 9893 965297247 78 9342
output:
965287879.66504693031311035156 1035512471.34974527359008789062 940905431.72898161411285400391 1063626543.68516731262207031250 1001518880.76606249809265136719 1045380761.46587657928466796875 1009160282.76007592678070068359 1022500825.10812902450561523438 960922565.45031833648681640625 1033287652.5369...
result:
ok 10 numbers
Test #5:
score: -100
Wrong Answer
time: 2ms
memory: 3888kb
input:
10 910088095 81 316 970640211 35 537 908853334 41 89 932269507 8 457 953224740 22 113 959834859 69 34 924852390 63 115 952730384 97 382 917634328 91 20 937287266 32 654
output:
2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.00000000000000000000 2147483647.0...
result:
wrong answer 1st numbers differ - expected: '28800258734.17722', found: '2147483647.00000', error = '0.92544'