QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #778712 | #8242. V-Diagram | guodong# | WA | 145ms | 3884kb | C++17 | 507b | 2024-11-24 15:53:58 | 2024-11-24 15:53:58 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
#ifdef NICEGUODONG
freopen("data.in","r",stdin);
#endif
int T;
cin >> T;
while(T--){
int n;
int sum = 0;
cin >> n;
for(int i =1 ; i <=n ;++i){
int x;
cin >> x;
sum += x;
}
std::cout << std::fixed << std::setprecision(11);
long double ans = 1.0L * sum / n;
cout << ans << '\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3828kb
input:
2 4 8 2 7 10 6 9 6 5 3 4 8
output:
6.75000000000 5.83333333333
result:
ok 2 numbers
Test #2:
score: 0
Accepted
time: 145ms
memory: 3744kb
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:
833782882.66666666669 435670789.66666666666 770302316.66666666669 608562705.00000000000 296293261.66666666666 319149416.33333333334 571816312.66666666669 223646002.33333333333 39407315.66666666667 383253737.66666666666 734363638.66666666669 779975824.33333333331 490276408.33333333334 574448414.00000...
result:
ok 100000 numbers
Test #3:
score: -100
Wrong Answer
time: 84ms
memory: 3884kb
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:
258668002.75000000000 499947495.38372093023 495489050.35294117648 511519421.86301369863 472025965.70000000001 543693608.25000000000 543366581.51612903224 254833443.20000000000 395528440.97435897434 502458665.38461538462 564217787.33333333331 479468115.11827956990 466246020.20454545456 551500780.7727...
result:
wrong answer 2nd numbers differ - expected: '527118856.7555556', found: '499947495.3837209', error = '0.0515469'