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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#501514 | #6130. Plants vs. Zombies | WTR2007 | AC ✓ | 205ms | 5440kb | C++20 | 1.4kb | 2024-08-02 19:54:41 | 2024-08-02 19:54:41 |
Judging History
answer
#include<bits/stdc++.h>
#define fi first
#define se second
#define int long long
#define MULT_TEST 1
using namespace std;
typedef long double ldb;
typedef unsigned long long ull;
const int INF = 0x3f3f3f3f;
const int MOD = 998244353;
const int N = 100005;
int n, m, a[N], d[N];
inline int read() {
int w = 0, f = 1;
char ch = getchar();
while (ch < '0' || ch > '9') {
if (ch == '-') f = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
w = (w << 1) + (w << 3) + ch - 48;
ch = getchar();
}
return w * f;
}
inline bool Check(int x) {
int sum = 0;
d[0] = d[n + 1] = 0;
for (int i = 1; i <= n; i++) d[i] = (x + a[i] - 1) / a[i];
for (int i = 0; i < n; i++) {
if (i == n - 1) sum += 2 * max(d[i], d[i + 1]) - (d[i + 1] > d[i]);
else {
sum += 2 * d[i] + 1;
d[i + 1] = max(0ll, d[i + 1] - d[i] - 1);
}
if (sum > m) return false;
}
return true;
}
inline void Solve() {
n = read(), m = read();
for (int i = 1; i <= n; i++) a[i] = read();
int l = 0, r = 1E18;
while (l < r) {
int mid = (l + r + 1) >> 1;
if (Check(mid)) l = mid;
else r = mid - 1;
}
printf("%lld\n", l);
}
signed main() {
int _ = 1;
#if MULT_TEST
_ = read();
#endif
while (_--) Solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3824kb
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: 0
Accepted
time: 82ms
memory: 5360kb
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 5910826 1000000000000 16561021906
result:
ok 116 numbers
Test #3:
score: 0
Accepted
time: 205ms
memory: 5440kb
input:
2110 4 0 3 2 6 6 4 1 3 2 6 6 2 7 3 9 28 82 68 27 32 98 88 19 96 37 53 50 45 37 41 92 51 70 73 84 2 53 7 89 9 59 24 23 62 97 22 145 61 22 87 34 75 89 22 6 10 74 21 35 33 23 85 66 89 46 16 48 2 48 25 146 67 63 93 98 1 70 57 45 40 15 1 5 54 38 96 19 94 18 43 98 28 45 47 92 46 21 26 83 54 21 72 25 47 2 ...
output:
0 0 12 35 72 29 6 125 1462 93 160 54 28 27 4 33 625 43 60 1056 0 116 42 31 66 0 0 370 80 198 66 189 39 55 42 36 63 810 325 36 38 20 59 115 0 0 25 4 7 0 72 0 60 1045 39 24 48 35 120 16 86 42 0 28 38 135 67 22 60 104 0 2256 110 0 0 4 25 59 49 0 16 1008 0 26 750 36 33 12 13 48 48 85 18 3135 182 24 160 ...
result:
ok 2110 numbers