QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#362424#7781. Sheep Eat WolvesSunlight9#AC ✓169ms4532kbC++141.5kb2024-03-23 15:28:522024-10-14 07:48:59

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 07:48:59]
  • 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:169ms
  • 内存:4532kb
  • [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)
  • [2024-03-23 15:28:52]
  • 评测
  • 测评结果:100
  • 用时:121ms
  • 内存:4560kb
  • [2024-03-23 15:28:52]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define rep(i,t,n) for (int i=t;i<=n;i++)
#define endl '\n'
using namespace std;
int x,y,p,q;
int f[2][205][205];
struct node{
	int s,w,flag;//0 l to r
};
queue<node> b;
void bfs(){
	b.push((node){x,y,0});
	while (!b.empty()){
		node t=b.front();b.pop();
		//cout<<t.s<<' '<<t.w<<' '<<t.flag<<' '<<f[t.flag][t.s][t.w]<<endl;
		for (int i=0;i<=x;i++) {
			for (int j=0;j<=y;j++){
				if (i+j>p) continue;
				if (t.flag==0) {
					int ls=t.s,lw=t.w,rs=x-t.s,rw=y-t.w;
					if (ls-i<0||rs+i>x||lw-j<0||rw+j>y) continue;
					if (ls-i+q<lw-j&&ls-i!=0) continue;
					if (f[1][rs+i][rw+j]>f[0][ls][lw]+1) f[1][rs+i][rw+j]=f[0][ls][lw]+1,b.push((node){rs+i,rw+j,1});
				}
				else {
					int ls=x-t.s,lw=y-t.w,rs=t.s,rw=t.w;
					if (rs-i<0||ls+i>x||rw-j<0||lw+j>y) continue;
					if (rs-i+q<rw-j&&rs-i!=0) continue;
					if (f[0][ls+i][lw+j]>f[1][rs][rw]+1) f[0][ls+i][lw+j]=f[1][rs][rw]+1,b.push((node){ls+i,lw+j,0});
				}
			}
		}
	}
	return ;
}
signed main(){
	//freopen("1.in","r",stdin);
	//freopen("1.out","w",stdout);
	/*ios::sync_with_stdio(false);
    cout.tie(0);cin.tie(0);*/
    cin>>x>>y>>p>>q;
    for (int i=0;i<=200;i++) 
    	for (int j=0;j<=200;j++) f[0][i][j]=f[1][i][j]=1e9;
    f[0][x][y]=0;f[1][0][0]=0;bfs();
    int ans=1e9;
    for (int i=0;i<=200;i++) {
    	//if (f[1][x][i]<ans) cout<<i<<endl;
    	ans=min(ans,f[1][x][i]);
    }
	if (ans==1e9) cout<<-1<<endl;
	else cout<<ans<<endl;
	return 0;
}


这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 4244kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 1ms
memory: 4256kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 1ms
memory: 4480kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 1ms
memory: 4260kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 1ms
memory: 4492kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 1ms
memory: 4196kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 1ms
memory: 4248kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 1ms
memory: 4200kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 1ms
memory: 4260kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 6ms
memory: 4256kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 3ms
memory: 4260kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 9ms
memory: 4264kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 6ms
memory: 4432kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 12ms
memory: 4496kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 14ms
memory: 4232kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 16ms
memory: 4272kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 2ms
memory: 4496kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 0ms
memory: 4228kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 43ms
memory: 4304kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 28ms
memory: 4492kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 66ms
memory: 4264kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 81ms
memory: 4492kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 124ms
memory: 4212kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 124ms
memory: 4452kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: 0
Accepted
time: 16ms
memory: 4256kb

input:

100 100 5 0

output:

95

result:

ok 1 number(s): "95"

Test #26:

score: 0
Accepted
time: 59ms
memory: 4520kb

input:

100 100 25 3

output:

13

result:

ok 1 number(s): "13"

Test #27:

score: 0
Accepted
time: 67ms
memory: 4296kb

input:

100 100 30 4

output:

11

result:

ok 1 number(s): "11"

Test #28:

score: 0
Accepted
time: 11ms
memory: 4120kb

input:

95 100 3 3

output:

125

result:

ok 1 number(s): "125"

Test #29:

score: 0
Accepted
time: 83ms
memory: 4212kb

input:

98 99 50 6

output:

5

result:

ok 1 number(s): "5"

Test #30:

score: 0
Accepted
time: 80ms
memory: 4260kb

input:

100 100 45 4

output:

7

result:

ok 1 number(s): "7"

Test #31:

score: 0
Accepted
time: 124ms
memory: 4532kb

input:

100 100 40 39

output:

7

result:

ok 1 number(s): "7"

Test #32:

score: 0
Accepted
time: 120ms
memory: 4324kb

input:

100 100 45 19

output:

7

result:

ok 1 number(s): "7"

Test #33:

score: 0
Accepted
time: 162ms
memory: 4416kb

input:

100 100 49 99

output:

5

result:

ok 1 number(s): "5"

Test #34:

score: 0
Accepted
time: 159ms
memory: 4312kb

input:

100 100 49 100

output:

5

result:

ok 1 number(s): "5"

Test #35:

score: 0
Accepted
time: 162ms
memory: 4316kb

input:

100 100 49 98

output:

5

result:

ok 1 number(s): "5"

Test #36:

score: 0
Accepted
time: 169ms
memory: 4408kb

input:

100 100 49 97

output:

5

result:

ok 1 number(s): "5"

Test #37:

score: 0
Accepted
time: 161ms
memory: 4408kb

input:

100 100 49 96

output:

5

result:

ok 1 number(s): "5"

Test #38:

score: 0
Accepted
time: 165ms
memory: 4380kb

input:

100 100 49 95

output:

5

result:

ok 1 number(s): "5"

Test #39:

score: 0
Accepted
time: 128ms
memory: 4352kb

input:

100 100 100 0

output:

1

result:

ok 1 number(s): "1"

Test #40:

score: 0
Accepted
time: 1ms
memory: 4200kb

input:

1 100 1 0

output:

1

result:

ok 1 number(s): "1"

Test #41:

score: 0
Accepted
time: 13ms
memory: 4140kb

input:

90 100 5 5

output:

87

result:

ok 1 number(s): "87"

Test #42:

score: 0
Accepted
time: 1ms
memory: 4260kb

input:

100 1 1 0

output:

199

result:

ok 1 number(s): "199"

Test #43:

score: 0
Accepted
time: 45ms
memory: 4520kb

input:

94 61 22 35

output:

9

result:

ok 1 number(s): "9"

Test #44:

score: 0
Accepted
time: 18ms
memory: 4188kb

input:

61 92 36 6

output:

7

result:

ok 1 number(s): "7"

Test #45:

score: 0
Accepted
time: 7ms
memory: 4452kb

input:

73 89 12 4

output:

57

result:

ok 1 number(s): "57"

Test #46:

score: 0
Accepted
time: 1ms
memory: 4448kb

input:

71 80 4 3

output:

-1

result:

ok 1 number(s): "-1"

Test #47:

score: 0
Accepted
time: 8ms
memory: 4488kb

input:

44 75 2 31

output:

85

result:

ok 1 number(s): "85"

Test #48:

score: 0
Accepted
time: 7ms
memory: 4460kb

input:

48 62 5 18

output:

35

result:

ok 1 number(s): "35"

Test #49:

score: 0
Accepted
time: 56ms
memory: 4228kb

input:

73 100 22 49

output:

9

result:

ok 1 number(s): "9"

Extra Test:

score: 0
Extra Test Passed