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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
#281170#7781. Sheep Eat Wolvesucup-team139#AC ✓40ms4080kbC++231.7kb2023-12-09 22:38:262024-10-14 07:46:37

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 07:46:37]
  • 管理员手动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:40ms
  • 内存:4080kb
  • [2024-09-05 08:34:25]
  • hack成功,自动添加数据
  • (/hack/803)
  • [2024-09-05 08:23:36]
  • hack成功,自动添加数据
  • (/hack/802)
  • [2023-12-09 22:38:27]
  • 评测
  • 测评结果:100
  • 用时:42ms
  • 内存:4108kb
  • [2023-12-09 22:38:26]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

void solve(int t){
    int x,y,p,q;
    
    cin>>x>>y>>p>>q;
    
    vector dist(x+1,vector(y+1,array<int,2>{-1,-1}));
    vector ok(x+1,vector(y+1,array<bool,2>{false,false}));
    priority_queue<array<int,4>> pq;
    
    dist[x][y][0]=0;
    pq.push({0,x,y,0});
    
    auto dj = [&](int sheep,int wolves,int lato){
        int ots=x-sheep,otw=y-wolves;
        
        
        if(ok[sheep][wolves][lato])return;
        //cout<<sheep<<" "<<wolves<<" "<<lato<<" "<<dist[sheep][wolves][lato]<<"\n";
        ok[sheep][wolves][lato]=true;
        
        for(int i=0;i<=sheep;i++){
            for(int j=0;j<=wolves && i+j<=p;j++){
                if(sheep-i==0 || sheep-i+q>=wolves-j){
                    //cout<<"provo "<<i<<" "<<j<<" lasciando "<<sheep-i<<" "<<wolves-j<<"\n";
                    if(dist[ots+i][otw+j][lato^1]==-1 || dist[ots+i][otw+j][lato^1]>dist[sheep][wolves][lato]+1){
                        dist[ots+i][otw+j][lato^1]=dist[sheep][wolves][lato]+1;
                        pq.push({-dist[ots+i][otw+j][lato^1],ots+i,otw+j,lato^1});
                    }
                }
            }
        }
    };
    
    while(!pq.empty()){
        auto [a,b,c,d] = pq.top();
        pq.pop();
        
        dj(b,c,d);
    }
    
    int ans=INT_MAX;
    for(int i=0;i<=y;i++){
        if(dist[x][i][1]!=-1){
            ans=min(ans,dist[x][i][1]);
        }
    }
    if(ans==INT_MAX)ans=-1;
    cout<<ans<<"\n";
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int t=1;
    //cin>>t;
    for(int i=1;i<=t;i++)solve(i);
    
    return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

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

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 1ms
memory: 3648kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 1ms
memory: 3888kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 1ms
memory: 3668kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 1ms
memory: 3828kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 1ms
memory: 3624kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 2ms
memory: 3852kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 2ms
memory: 3624kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 2ms
memory: 3936kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 3ms
memory: 3644kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 4ms
memory: 3752kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 3ms
memory: 3716kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 3ms
memory: 3724kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

100 100 5 0

output:

95

result:

ok 1 number(s): "95"

Test #26:

score: 0
Accepted
time: 5ms
memory: 3780kb

input:

100 100 25 3

output:

13

result:

ok 1 number(s): "13"

Test #27:

score: 0
Accepted
time: 8ms
memory: 3764kb

input:

100 100 30 4

output:

11

result:

ok 1 number(s): "11"

Test #28:

score: 0
Accepted
time: 1ms
memory: 3700kb

input:

95 100 3 3

output:

125

result:

ok 1 number(s): "125"

Test #29:

score: 0
Accepted
time: 16ms
memory: 3848kb

input:

98 99 50 6

output:

5

result:

ok 1 number(s): "5"

Test #30:

score: 0
Accepted
time: 13ms
memory: 3856kb

input:

100 100 45 4

output:

7

result:

ok 1 number(s): "7"

Test #31:

score: 0
Accepted
time: 20ms
memory: 3856kb

input:

100 100 40 39

output:

7

result:

ok 1 number(s): "7"

Test #32:

score: 0
Accepted
time: 21ms
memory: 3852kb

input:

100 100 45 19

output:

7

result:

ok 1 number(s): "7"

Test #33:

score: 0
Accepted
time: 40ms
memory: 3860kb

input:

100 100 49 99

output:

5

result:

ok 1 number(s): "5"

Test #34:

score: 0
Accepted
time: 40ms
memory: 3856kb

input:

100 100 49 100

output:

5

result:

ok 1 number(s): "5"

Test #35:

score: 0
Accepted
time: 40ms
memory: 3848kb

input:

100 100 49 98

output:

5

result:

ok 1 number(s): "5"

Test #36:

score: 0
Accepted
time: 40ms
memory: 4076kb

input:

100 100 49 97

output:

5

result:

ok 1 number(s): "5"

Test #37:

score: 0
Accepted
time: 40ms
memory: 3828kb

input:

100 100 49 96

output:

5

result:

ok 1 number(s): "5"

Test #38:

score: 0
Accepted
time: 40ms
memory: 4080kb

input:

100 100 49 95

output:

5

result:

ok 1 number(s): "5"

Test #39:

score: 0
Accepted
time: 37ms
memory: 4052kb

input:

100 100 100 0

output:

1

result:

ok 1 number(s): "1"

Test #40:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

1 100 1 0

output:

1

result:

ok 1 number(s): "1"

Test #41:

score: 0
Accepted
time: 1ms
memory: 3884kb

input:

90 100 5 5

output:

87

result:

ok 1 number(s): "87"

Test #42:

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

input:

100 1 1 0

output:

199

result:

ok 1 number(s): "199"

Test #43:

score: 0
Accepted
time: 7ms
memory: 3940kb

input:

94 61 22 35

output:

9

result:

ok 1 number(s): "9"

Test #44:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

61 92 36 6

output:

7

result:

ok 1 number(s): "7"

Test #45:

score: 0
Accepted
time: 1ms
memory: 3696kb

input:

73 89 12 4

output:

57

result:

ok 1 number(s): "57"

Test #46:

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

input:

71 80 4 3

output:

-1

result:

ok 1 number(s): "-1"

Test #47:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

44 75 2 31

output:

85

result:

ok 1 number(s): "85"

Test #48:

score: 0
Accepted
time: 1ms
memory: 3688kb

input:

48 62 5 18

output:

35

result:

ok 1 number(s): "35"

Test #49:

score: 0
Accepted
time: 7ms
memory: 3772kb

input:

73 100 22 49

output:

9

result:

ok 1 number(s): "9"

Extra Test:

score: 0
Extra Test Passed