QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#691348 | #6130. Plants vs. Zombies | OIer_kzc# | AC ✓ | 192ms | 6324kb | C++17 | 1.1kb | 2024-10-31 11:03:18 | 2024-10-31 11:03:20 |
Judging History
answer
#include <stdio.h>
#include <string.h>
#include <vector>
#include <algorithm>
#define eb emplace_back
#define LOG(FMT...) fprintf(stderr, FMT)
using namespace std;
typedef long long LL;
constexpr int N = 1000005;
int n, a[N];
LL m, D, b[N];
bool chk() {
for (int i = 1; i <= n; ++i) {
b[i] = (D - 1) / a[i] + 1;
}
/* for (int i = 1; i <= n; ++i) {
LOG("%lld ", b[i]);
}
LOG("\n"); */
LL ret = 0;
for (int i = 1; i < n; ++i) {
if (b[i] <= 0) {
b[i] = 1;
}
ret += 2 * b[i] - 1;
b[i + 1] -= b[i] - 1;
}
if (b[n] > 0) {
ret += 2 * b[n] - 1;
}
/* for (int i = 1; i <= n; ++i) {
LOG("%lld ", b[i]);
}
LOG("\n");
LOG("%lld\n", ret); */
return ret <= m;
}
int main() {
int task;
for (scanf("%d", &task); task--; ) {
scanf("%d%lld", &n, &m);
for (int i = 1; i <= n; ++i) {
scanf("%d", a + i);
}
LL l = 0, r = m / n * (LL)1e5;
while (l < r) {
D = 1 + l + r >> 1;
if (chk()) {
l = D;
} else {
r = D - 1;
}
}
printf("%lld\n", r);
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3688kb
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: 74ms
memory: 6324kb
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: 192ms
memory: 5740kb
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