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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
#677596#7781. Sheep Eat Wolvesyumingsk#WA 0ms3688kbC++201.7kb2024-10-26 13:02:112024-10-26 13:02:17

Judging History

你现在查看的是最新测评结果

  • [2024-10-26 13:02:17]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3688kb
  • [2024-10-26 13:02:11]
  • 提交

answer

#pragma GCC optimize(3, "Ofast", "inline")
#include <iostream>
#include <bits/stdc++.h>
#define IOS ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#define INF 0x3f3f3f3f
#define L_INF 0x7f3f3f3f3f3f3f3f
#define db cout << "debug\n";

using namespace std;
const int Mod = 998244353;
using ll = long long;

ll x, y, p, q, sum, xl, yl, xr, yr, kx, ky, k;

void solve()
{
    cin >> x >> y >> p >> q;
    sum = 0;
    xl = x;
    yl = y;
    xr = yr = 0;
    while (xl > 0)
    {
        if (xl <= p)
        {
            cout << sum + 1 << '\n';
            return;
        }
        kx = p;
        while (kx > 0)
        {
            ky = p - kx;
            if (yl - ky - xl + kx - q <= 0)
                break;
            kx--;
        }
        if (kx == 0)
            ky = p;
        // cout << kx << ' ' << ky << '\n';
        xl -= kx;
        yl -= ky;
        xr += kx;
        yr += ky;
        // cout << xl << ' ' << yl << '\n';
        if (yl - xl - q > 0 && xl > 0)
        {
            cout << "-1\n";
            return;
        }
        if (yr - xr - q > 0 && xr > 0)
        {
            k = yr - xr - q;
            if (k > p)
            {
                cout << "-1\n";
                return;
            }
            yr -= k;
            yl += k;
        }
        sum += 2;
    }
}
int main()
{
    IOS;
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
#ifndef ONLINE_JUDGE
    clock_t start_time = clock();
#endif
    int t = 1;
    //    cin>>t;
    while (t--)
    {
        solve();
    }
#ifndef ONLINE_JUDGE
    cout << "Used " << (double)(clock() - start_time) << " ms" << endl;
#endif
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3688kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3688kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 0ms
memory: 3624kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: -100
Wrong Answer
time: 0ms
memory: 3684kb

input:

100 100 5 0

output:

97

result:

wrong answer 1st numbers differ - expected: '95', found: '97'