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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
#282081	#6130. Plants vs. Zombies	fosov	AC ✓	206ms	5248kb	C++17	1.1kb	2023-12-11 12:43:30	2023-12-11 12:43:32

Judging History

你现在查看的是最新测评结果

[2023-12-11 12:43:32]
评测

测评结果：AC
用时：206ms
内存：5248kb

查看

[2023-12-11 12:43:30]
提交

answer

#include "bits/stdc++.h"
 
using namespace std;
 
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
 
#define INF 0x3f3f3f3f
#define LNF (ll) 0x3f3f3f3f3f3f3f3f 
 
#define maxn 100010

ll a[maxn], def[maxn];

void solve() {
    ll n, m; cin >> n >> m;

    for (int i = 0; i < n; ++ i) cin >> a[i];

    ll l = 0, r = LNF;
    
    while (l < r) {
        ll md = (l + r + 1) >> 1;

        ll stp = 0;
        memset(def, 0, n * sizeof(ll));
        for (int i = 0; i < n; ++ i) {
            if (md <= def[i]) {
                stp += i != n-1;
            } else {
                ll cnt = (md - def[i] + a[i] - 1) / a[i];

                stp += cnt * 2 - 1;
                if (stp > m) break;
                def[i+1] = (a[i+1] * (cnt - 1));
            }
        }

        if (stp <= m) {
            l = md;
        } else {
            r = md - 1;
        }
    }

    cout << l << '\n';
}

int main() {
#ifdef TEST
    freopen("zz.in", "r+", stdin);
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t; cin >> t;
    while (t --) solve();
    return 0;
}

源文件, 语言: C++17

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3392kb

input:

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: 0

Accepted

time: 91ms

memory: 5204kb

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: 206ms

memory: 5248kb

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:

result:

ok 2110 numbers