QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#493384 | #6130. Plants vs. Zombies | 1DemonS1 | WA | 171ms | 4720kb | C++20 | 1.2kb | 2024-07-27 08:42:47 | 2024-07-27 08:42:47 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define endl "\n"
#define PII std::pair<int,int>
#define ll long long
#define inf 0x3f3f3f3f
using namespace std;
const int maxn = 1e5 + 5;
int n, m, h[maxn];
vector<int> A(maxn);
bool check(int k) {
memset(h, 0, sizeof(ll) * maxn);
h[1] = A[1];
int mm = m - 1;
for (int i = 1; i <= n; ++i) {
if (h[i] < k) {
int kase = ceil((k - h[i]) * 1.0 / A[i]);
h[i] += kase * A[i];
h[i + 1] += kase * A[i + 1];
mm -= kase << 1;
}
if (mm < 0) return false;
mm--;
h[i + 1] += A[i + 1];
}
return true;
}
signed main() {
std::ios::sync_with_stdio(false);
std::cin.tie(0);
//cout << fixed << setprecision(2);
int T; cin >> T;
while (T--) {
cin >> n >> m;
for (int i = 1; i <= n; ++i) cin >> A[i];
int l = 0, r = 1e18, ans = 0;
while (l <= r) {
int mid = l + r >> 1;
if (check(mid)) {
l = mid + 1;
ans = mid;
}
else r = mid - 1;
}
cout << ans << endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 4656kb
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: 171ms
memory: 4720kb
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 18 3 2 12 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 3 3 0 4 10 6 4 1 5 0 1 0 7 30 2 0 0 16 8 0 30 2 25 4 2 0 0 2 0 2 0 5 2 0 0 0 0 5 0 4 4 28 0 0 21 3 0 2 4 0 0 14 4 6 1 0 5 12 3 8 0 4 0 10 12 5 6 1 6 9 0 725 0 17 132 676 588 110 0 163 5910826 1000000000000 16561021906
result:
wrong answer 5th numbers differ - expected: '20', found: '18'