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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 |
---|---|---|---|---|---|---|---|---|---|
#691296 | #6130. Plants vs. Zombies | OIer_kzc# | WA | 88ms | 6500kb | C++17 | 875b | 2024-10-31 10:49:04 | 2024-10-31 10:49:05 |
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;
}
LL ret = 0;
for (int i = 1; i <= n; ++i) {
if (b[i] <= 0) {
continue;
}
ret += 2 * b[i] - 1;
if (i < n) {
b[i + 1] -= b[i] - 1;
}
}
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: 3636kb
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: 88ms
memory: 6500kb
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 4 24 3 30 12 0 2 4 0 0 2 8 0 2 6 24 28 1 4 3 0 4 10 6 4 2 5 0 2 0 7 30 3 0 0 16 8 0 30 3 30 8 2 0 0 2 0 2 0 5 2 0 0 0 0 5 0 5 6 28 0 0 24 4 0 2 4 0 0 14 4 6 1 0 6 14 3 9 0 4 0 10 12 6 8 2 6 12 0 770 0 19 147 710 665 120 0 174 5910828 1000000000000 16561023154
result:
wrong answer 16th numbers differ - expected: '2', found: '4'