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
#177494#6130. Plants vs. ZombiesTJ_AndevikingWA 181ms6296kbC++202.0kb2023-09-13 00:22:002023-09-13 00:22:00

Judging History

你现在查看的是最新测评结果

  • [2023-09-13 00:22:00]
  • 评测
  • 测评结果:WA
  • 用时:181ms
  • 内存:6296kb
  • [2023-09-13 00:22:00]
  • 提交

answer

#pragma GCC optimize(2)
#include<bits/stdc++.h>
using namespace std;
typedef __int128_t ll;
typedef __int128_t int128;
typedef pair<int, int> pii;
#define iofast ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define lowbit(x) (x&(-x))
#define inv(x) qpow(x,mod-2)
#define debug(x) cout << (#x) << " = " << x << endl
#define range(x) (x).begin(), (x).end()

const int iINF = 0x3f3f3f3f;
const ll llINF = 0x3f3f3f3f3f3f3f3f;
const ll mod = 998244353;
template<typename T>
void read(T& x)
{
    x = 0;
    int flag = 1;
    char c = getchar();
    while (!isdigit(c)) {
        if (c == '-')
            flag = -1;
        c = getchar();
    }
    while (isdigit(c)) {
        x = (x << 3) + (x << 1) + (c ^ 48);
        c = getchar();
    }
    x *= flag;
}

template<typename T, typename ...Arg>
void read(T& x, Arg& ...args)
{
    read(x);
    read(args...);
}

template<typename T>
void write(T x, char c = '\0')
{
    if (x < 0) {
        x = -x;
        putchar('-');
    }
    if (x > 9)
        write(x / 10);
    putchar(x % 10 + '0');
    if (c != '\0')
        putchar(c);
}
/*---------------------------------------*/
ll n, m;
vector<ll>v;

bool check(ll mid)
{
    vector<ll>now(n + 5);
    ll ans = 0;
    for (int i = 1;i <= n;i++) {
        now[i] += v[i];
        ans++;
        if (now[i] >= mid)
            continue;
        ll cnt = (mid - now[i]) / v[i] + bool((mid - now[i]) % v[i]);
        now[i + 1] += cnt * v[i + 1];
        ans += cnt * 2;
    }

    return ans <= m;
}

void solve()
{
    read(n, m);
    v.clear();
    v.resize(n + 5);
    for (int i = 1;i <= n;i++)
        read(v[i]);

    ll l = 0, r = 1e18;
    while (l < r) {
        ll mid = (l + r + 1) >> 1;
        if (check(mid))
            l = mid;
        else
            r = mid - 1;
    }

    write(l, '\n');
}

/*---------------------------------------*/

int main()
{
    iofast;
    int t = 1;
    read(t);
    while (t--)
        solve();

    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3580kb

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: 181ms
memory: 6296kb

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'