QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#59653 | #1373. Rating Problems | ziad# | AC ✓ | 2ms | 3836kb | C++23 | 1.0kb | 2022-10-31 18:02:42 | 2022-10-31 18:02:45 |
Judging History
answer
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <array>
#include <climits>
// #pragma GCC optimize ("O3")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
typedef long long ll;
typedef long double ld;
using namespace std;
const int N = 4e5 + 5;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
// cout.tie(nullptr);
int n, k, sum = 0;
cin >> n >> k;
for (int i = 0; i < k; ++i) {
int r;
cin >> r;
sum += r;
}
cout << (1.0l * (sum - 3 * (n - k)) / n) << ' ' << (1.0l * (sum + 3 * (n - k)) / n) << '\n';
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3636kb
input:
10 0
output:
-3 3
result:
ok 2 numbers
Test #2:
score: 0
Accepted
time: 2ms
memory: 3756kb
input:
10 10 3 2 1 0 -1 -2 -3 -2 -1 0
output:
-0.3 -0.3
result:
ok 2 numbers
Test #3:
score: 0
Accepted
time: 2ms
memory: 3760kb
input:
10 10 0 0 0 0 0 0 0 0 0 0
output:
0 0
result:
ok 2 numbers
Test #4:
score: 0
Accepted
time: 2ms
memory: 3784kb
input:
10 10 3 3 3 3 3 3 3 3 3 3
output:
3 3
result:
ok 2 numbers
Test #5:
score: 0
Accepted
time: 2ms
memory: 3644kb
input:
10 10 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3
output:
-3 -3
result:
ok 2 numbers
Test #6:
score: 0
Accepted
time: 2ms
memory: 3632kb
input:
1 0
output:
-3 3
result:
ok 2 numbers
Test #7:
score: 0
Accepted
time: 2ms
memory: 3836kb
input:
1 1 2
output:
2 2
result:
ok 2 numbers
Test #8:
score: 0
Accepted
time: 2ms
memory: 3636kb
input:
9 7 1 3 2 2 1 1 2
output:
0.666667 2
result:
ok 2 numbers
Test #9:
score: 0
Accepted
time: 2ms
memory: 3632kb
input:
6 4 -2 -1 -2 0
output:
-1.83333 0.166667
result:
ok 2 numbers