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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#694326 | #6130. Plants vs. Zombies | proven# | WA | 115ms | 4824kb | C++20 | 1.2kb | 2024-10-31 17:42:56 | 2024-10-31 17:42:58 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define int long long
void solve() {
int n, m;
cin >> n >> m;
vector<int> a(n + 1), b(n + 1);
for(int i = 1;i <= n;i++) {
cin >> a[i];
}
auto check = [&] (int mid) {
for(int i = 1;i <= n;i++) {
b[i] = (mid + a[i] - 1) / a[i];
}
int cnt = 0, la = 0;
for(int i = 1;i < n;i++) {
cnt++;
b[i]--;
b[i] -= la;
cnt += max(0ll, b[i]) * 2;
la = max(0ll, b[i]);
}
if(b[n] - la <= 0) {
return cnt <= m;
}
cnt++;
b[n]--;
cnt += max(0ll, b[n] - la) * 2;
return cnt <= m;
};
int l = 1, r = 1e17 + 1, ans = 0;
while(l <= r) {
int mid = (l + r) >> 1;
if(check(mid)) {
ans = mid;
l = mid + 1;
}
else r = mid - 1;
}
cout << ans << endl;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
cin >> T;
while (T--) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3780kb
input:
2 4 8 3 2 6 6 3 9 10 10 1
output:
6 4
result:
ok 2 number(s): "6 4"
Test #2:
score: -100
Wrong Answer
time: 115ms
memory: 4824kb
input:
116 4 0 3 2 6 6 4 1 3 2 6 6 10 19 10 2 8 4 2 4 9 3 3 3 4 8 3 9 3 6 2 19 2 10 11 15 3 1 1 4 3 7 10 8 6 7 10 10 14 8 7 1 1 10 9 2 8 10 7 2 13 2 3 10 10 8 1 6 6 9 4 7 1 8 8 7 14 6 7 4 5 3 1 3 11 6 8 1 10 9 7 2 6 6 1 3 9 4 10 6 1 3 8 7 7 10 6 2 10 4 7 2 5 11 9 10 5 9 2 9 1 2 4 8 6 2 8 8 1 6 4 5 7 2 9 8 ...
output:
0 0 4 6 20 3 2 14 1 4 0 4 2 6 0 2 24 3 30 10 0 2 3 0 0 2 6 0 1 6 24 28 1 4 3 0 4 10 6 4 1 5 0 2 0 7 30 2 0 0 16 8 0 30 2 30 4 2 0 0 2 0 2 0 5 2 0 0 0 0 5 0 4 6 28 0 0 21 3 0 2 4 0 0 14 4 6 1 0 5 14 3 8 0 4 0 10 12 5 8 1 6 12 0 725 0 17 132 676 588 110 0 163 16650504450556638 1000000000000 16561021906
result:
wrong answer 114th numbers differ - expected: '5910826', found: '16650504450556638'