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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#623959#7781. Sheep Eat WolvesMEshooter#WA 0ms3944kbC++20778b2024-10-09 14:30:002024-10-09 14:30:00

Judging History

你现在查看的是最新测评结果

  • [2024-10-09 14:30:00]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3944kb
  • [2024-10-09 14:30:00]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int SIZE = 2e5+10;
int x,y,p,q,xl,xr,yl,yr;
int main(){
    scanf("%d%d%d%d",&x,&y,&p,&q);
    int ans=0;
    xl=x,xr=0,yl=y,yr=0;
    while(xl)
    {
        if(xl<=p){ans++;break;}
        else if(yl-q>xl-p)
        {
            ans++;
            int k=yl-xl-q;
            if(k>p){printf("-1");return 0;}
            int wolf =(k+p+1)/2;
            yl-=wolf;
            yr=wolf;
            xl-=p-wolf;
            xr+=p-wolf;
        }
        else
        {
            ans++;
            xl-=p;
            xr+=p;
        }
        ans++;
        if(yr-xr-q>0&&xr>0)
        {
            yl+=yr-xr-q;
            yr-=yr-xr-q;
        }
    }
    printf("%d",ans);
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3888kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3940kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3936kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3904kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3908kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3900kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 0ms
memory: 3904kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 0ms
memory: 3936kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: -100
Wrong Answer
time: 0ms
memory: 3748kb

input:

100 100 5 0

output:

79

result:

wrong answer 1st numbers differ - expected: '95', found: '79'