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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 |
---|---|---|---|---|---|---|---|---|---|
#705356 | #6130. Plants vs. Zombies | carboxylBase | WA | 92ms | 8436kb | C++23 | 1.4kb | 2024-11-02 23:06:08 | 2024-11-02 23:06:09 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef long long ll;
int n,m;
int a[2000000];
int b[2000000];
bool check(int x){
for (int i = 1;i<n+1;i++){
b[i] = x / a[i];
if (x % a[i] == 0){
}else{
b[i]++;
}
// cout<<i<<" "<<b[i]<<endl;
}
int cnt = 0;
for (int i = 1;i<=n;i++){
cnt++;
// cout<<i<<" "<<cnt<<endl;
b[i]--;
if (b[i-1]>0){
cnt += 2 * b[i-1];
if (cnt > m){
return 0;
}
b[i] -= b[i-1];
}
// cout<<i<<" "<<b[i]<<endl;
}
// cout<<b[n]<<endl;
if (b[n] > 0){
cnt += b[n] * 2;
}
if (cnt > m){
return 0;
}
return 1;
}
void solve()
{
cin >> n >> m;
for (int i = 1;i<n+1;i++){
cin >> a[i];
}
// check(4);
int l = 0,r = 1e18,mid,ans = 0;
while (l<=r){
// cout<<l<<endl;
mid = l+r>>1;
if (check(mid)){
l = mid + 1;
ans = mid;
}else{
r = mid - 1;
}
}
// check(6);
cout<<ans<<endl;
return;
}
signed main()
{
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
ios::sync_with_stdio(0), cin.tie(nullptr), cout.tie(0);
int t = 1;
cin >> t;
while (t--)
{
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5604kb
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: 92ms
memory: 8436kb
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'