QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#770058 | #9738. Make It Divisible | mapleKing | WA | 0ms | 3756kb | C++20 | 1.1kb | 2024-11-21 20:27:38 | 2024-11-21 20:27:39 |
Judging History
answer
#include <bits/stdc++.h>
#pragma GCC optimize(2)
// using namespace std;
using i64 = long long;
using u32 = unsigned int;
using u64 = unsigned long long;
void solve() {
int n, k;
std::cin >> n >> k;
std::vector<int> a(n);
int mn = 1e9;
for(int i = 0; i < n; i++){
std::cin >> a[i];
mn = std::min(mn, a[i]);
}
int g = 0;
for(int i = 1; i < n; i++){
g = std::gcd(g, std::abs(a[i] - a[i - 1]));
}
if (g == 0){
std::cout << k << " " << 1LL * k * (k + 1) / 2 << "\n";
return;
}
i64 ans = 0, cnt = 0;
for(int i = 1; i * i <= g; i++){
if (g % i == 0){
int j = g / i;
if (i > mn){
cnt++;
ans += i - mn;
}
if (j > mn){
cnt++;
ans += j - mn;
}
}
}
std::cout << cnt << " " << ans << "\n";
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
// std::cout << std::fixed << std::setprecision(10); // 固定输出精度
int t = 1;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3444kb
input:
3 5 10 7 79 1 7 1 2 1000000000 1 2 1 100 1000000000
output:
3 8 0 0 100 5050
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3756kb
input:
4 201 1000000000 1 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5...
output:
0 0 1 1 0 0 0 0
result:
wrong answer 2nd lines differ - expected: '0 0', found: '1 1'