QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #404445 | #8242. V-Diagram | Urtusea# | WA | 71ms | 3856kb | C++14 | 460b | 2024-05-03 22:43:56 | 2024-05-03 22:43:57 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
inline void solve() {
int n;
scanf("%d", &n);
vector<int> a(n + 1);
for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
long long sum = 0;
for (int i = 1; i <= n; i++) sum += a[i];
printf("%.12llf\n", (long double)sum / n);
}
int main() {
// cin.tie(nullptr)->ios::sync_with_stdio(false);
int t;
cin >> t;
while (t--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3856kb
input:
2 4 8 2 7 10 6 9 6 5 3 4 8
output:
6.750000000000 5.833333333333
result:
ok 2 numbers
Test #2:
score: 0
Accepted
time: 71ms
memory: 3776kb
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:
833782882.666666666686 435670789.666666666657 770302316.666666666686 608562705.000000000000 296293261.666666666657 319149416.333333333343 571816312.666666666686 223646002.333333333328 39407315.666666666668 383253737.666666666657 734363638.666666666686 779975824.333333333314 490276408.333333333343 57...
result:
ok 100000 numbers
Test #3:
score: -100
Wrong Answer
time: 27ms
memory: 3744kb
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:
258668002.750000000000 499947495.383720930229 495489050.352941176476 511519421.863013698632 472025965.700000000012 543693608.250000000000 543366581.516129032243 254833443.199999999997 395528440.974358974345 502458665.384615384624 564217787.333333333314 479468115.118279569899 466246020.204545454559 5...
result:
wrong answer 2nd numbers differ - expected: '527118856.7555556', found: '499947495.3837209', error = '0.0515469'