QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #543009 | #8242. V-Diagram | Eqvpkbz# | WA | 83ms | 3992kb | C++20 | 543b | 2024-09-01 12:43:12 | 2024-09-01 12:43:12 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve() {
int n; cin >> n;
vector<int> a(n + 5);
long double ans = 0;
for(int i = 1; i <= n; ++ i) {
cin >> a[i];
ans += a[i];
}
ans /= (n * 1.0);
cout << fixed << setprecision(16) << ans << "\n";
return ;
}
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: 0ms
memory: 3816kb
input:
2 4 8 2 7 10 6 9 6 5 3 4 8
output:
6.7500000000000000 5.8333333333333333
result:
ok 2 numbers
Test #2:
score: 0
Accepted
time: 83ms
memory: 3992kb
input:
100000 3 948511478 739365502 813471668 3 881046825 27458122 398507422 3 987554257 399092415 924260278 3 984128569 125199021 716360525 3 529589236 45783262 313507287 3 645443456 85994112 226010681 3 914820717 228360911 572267310 3 418958362 56703604 195276041 3 64461646 26764720 26995581 3 914535039 ...
output:
833782882.6666666666860692 435670789.6666666666569654 770302316.6666666666860692 608562705.0000000000000000 296293261.6666666666569654 319149416.3333333333430346 571816312.6666666666860692 223646002.3333333333284827 39407315.6666666666678793 383253737.6666666666569654 734363638.6666666666860692 7799...
result:
ok 100000 numbers
Test #3:
score: -100
Wrong Answer
time: 26ms
memory: 3800kb
input:
10000 4 194123849 79274911 191162487 570110764 86 957917218 915359202 914726017 873273226 867724859 867674150 809652204 805531383 745262007 743835491 727071232 714782071 645394643 639432679 594879540 587173904 583418126 560538589 518721836 469558994 427721766 411582333 404948350 402948978 357228675 ...
output:
258668002.7500000000000000 499947495.3837209302291740 495489050.3529411764757242 511519421.8630136986321304 472025965.7000000000116415 543693608.2500000000000000 543366581.5161290322430432 254833443.1999999999970896 395528440.9743589743447956 502458665.3846153846243396 564217787.3333333333139308 479...
result:
wrong answer 2nd numbers differ - expected: '527118856.7555556', found: '499947495.3837209', error = '0.0515469'