QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#352302#7781. Sheep Eat WolvesOccDreamer#AC ✓29ms9440kbC++142.4kb2024-03-13 08:51:092024-10-14 07:47:07

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 07:47:07]
  • 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:29ms
  • 内存:9440kb
  • [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)
  • [2024-03-13 08:51:10]
  • 评测
  • 测评结果:100
  • 用时:24ms
  • 内存:7956kb
  • [2024-03-13 08:51:09]
  • 提交

answer

//code by Emissary
#include<bits/stdc++.h>

#define fi first
#define se second
#define vc vector
#define db double
#define ll long long
#define mk make_pair
#define pb push_back
#define PI pair<int,int>
#define ull unsigned long long
#define err cerr << "   -_-   " << endl
#define debug cerr << " ------------------- " << endl

#define input(x) freopen(#x".in","r",stdin)
#define output(x) freopen(#x".out","w",stdout)

#define NO puts("No")
#define YES puts("Yes")

//#define int long long

using namespace std;

namespace IO{
	inline int read(){
		int X=0, W=0; char ch=getchar();
		while(!isdigit(ch)) W|=ch=='-', ch=getchar();
		while(isdigit(ch)) X=(X<<1)+(X<<3)+(ch^48), ch=getchar();
		return W?-X:X;
	}
	inline void write(int x){
		if(x<0) x=-x, putchar('-');
		if(x>9) write(x/10);
		putchar(x%10+'0');
	}
	inline void sprint(int x){write(x), putchar(32);}
	inline void eprint(int x){write(x), putchar(10);}
}using namespace IO;

const int MAXN = 505;
const int mod = 998244353;
//const int mod = 1e9+7;

int x, y, p, q;
int f[MAXN][MAXN][2];

struct state{
	int x, y, p, dis;
	inline bool friend operator < (const state &x, const state &y){return x.dis>y.dis;}
}Q[MAXN*MAXN*2];

int hd=1, tl;

bool vis[102][102][2];

signed main(){
	cin >> x >> y >> p >> q;
	memset(f,127/3,sizeof f); f[x][y][0]=0; Q[++tl]=state{x,y,0,0};
	while(hd<=tl){
		state t=Q[hd]; hd++;
		//cerr << t.x << ' ' << t.y << ' ' << t.p << ' ' << f[t.x][t.y][t.p] << endl;
		if(t.p==0){
			for(int xx=0;xx<=p && xx<=t.x;++xx)
				for(int yy=0;yy<=p && yy<=t.y && xx+yy<=p;++yy){
					if(t.y-yy>t.x-xx+q && t.x!=xx) continue;
					if(f[t.x-xx][t.y-yy][1]>f[t.x][t.y][0]+1){
						f[t.x-xx][t.y-yy][1]=f[t.x][t.y][0]+1;
						Q[++tl]=state{t.x-xx,t.y-yy,1,f[t.x-xx][t.y-yy][1]};
					}
				}
		}
		else{
			for(int xx=0;xx<=p && xx<=x-t.x;++xx)
				for(int yy=0;yy<=p && yy<=y-t.y && xx+yy<=p;++yy){
					if(y-t.y-yy>x-t.x-xx+q && x-t.x!=xx) continue;
					if(f[t.x+xx][t.y+yy][0]>f[t.x][t.y][1]+1){
						f[t.x+xx][t.y+yy][0]=f[t.x][t.y][1]+1;
						Q[++tl]=state{t.x+xx,t.y+yy,0,f[t.x+xx][t.y+yy][0]};
					}
				}
		}
	}
	int ans=1e9;
	for(int i=0;i<=y;++i) ans=min(ans,f[0][i][1]);
	if(ans>1e8) cout << -1;
	else cout << ans;
	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: 7220kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 1ms
memory: 5836kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 7236kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 1ms
memory: 6652kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 1ms
memory: 6496kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 1ms
memory: 5636kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 1ms
memory: 7540kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 1ms
memory: 6820kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 1ms
memory: 6456kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 0ms
memory: 6832kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 0ms
memory: 6412kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 0ms
memory: 7088kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 1ms
memory: 6456kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 2ms
memory: 6492kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 2ms
memory: 7164kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 2ms
memory: 7488kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 1ms
memory: 7436kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 1ms
memory: 7216kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 1ms
memory: 6436kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 2ms
memory: 7692kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 0ms
memory: 6256kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 2ms
memory: 6316kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 3ms
memory: 6284kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 1ms
memory: 7264kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: 0
Accepted
time: 1ms
memory: 5828kb

input:

100 100 5 0

output:

95

result:

ok 1 number(s): "95"

Test #26:

score: 0
Accepted
time: 2ms
memory: 6956kb

input:

100 100 25 3

output:

13

result:

ok 1 number(s): "13"

Test #27:

score: 0
Accepted
time: 3ms
memory: 7380kb

input:

100 100 30 4

output:

11

result:

ok 1 number(s): "11"

Test #28:

score: 0
Accepted
time: 1ms
memory: 6020kb

input:

95 100 3 3

output:

125

result:

ok 1 number(s): "125"

Test #29:

score: 0
Accepted
time: 14ms
memory: 6936kb

input:

98 99 50 6

output:

5

result:

ok 1 number(s): "5"

Test #30:

score: 0
Accepted
time: 11ms
memory: 5900kb

input:

100 100 45 4

output:

7

result:

ok 1 number(s): "7"

Test #31:

score: 0
Accepted
time: 18ms
memory: 7676kb

input:

100 100 40 39

output:

7

result:

ok 1 number(s): "7"

Test #32:

score: 0
Accepted
time: 16ms
memory: 6300kb

input:

100 100 45 19

output:

7

result:

ok 1 number(s): "7"

Test #33:

score: 0
Accepted
time: 29ms
memory: 5952kb

input:

100 100 49 99

output:

5

result:

ok 1 number(s): "5"

Test #34:

score: 0
Accepted
time: 29ms
memory: 6336kb

input:

100 100 49 100

output:

5

result:

ok 1 number(s): "5"

Test #35:

score: 0
Accepted
time: 28ms
memory: 9440kb

input:

100 100 49 98

output:

5

result:

ok 1 number(s): "5"

Test #36:

score: 0
Accepted
time: 27ms
memory: 7120kb

input:

100 100 49 97

output:

5

result:

ok 1 number(s): "5"

Test #37:

score: 0
Accepted
time: 28ms
memory: 6512kb

input:

100 100 49 96

output:

5

result:

ok 1 number(s): "5"

Test #38:

score: 0
Accepted
time: 27ms
memory: 6976kb

input:

100 100 49 95

output:

5

result:

ok 1 number(s): "5"

Test #39:

score: 0
Accepted
time: 25ms
memory: 6060kb

input:

100 100 100 0

output:

1

result:

ok 1 number(s): "1"

Test #40:

score: 0
Accepted
time: 1ms
memory: 6948kb

input:

1 100 1 0

output:

1

result:

ok 1 number(s): "1"

Test #41:

score: 0
Accepted
time: 0ms
memory: 6288kb

input:

90 100 5 5

output:

87

result:

ok 1 number(s): "87"

Test #42:

score: 0
Accepted
time: 1ms
memory: 6184kb

input:

100 1 1 0

output:

199

result:

ok 1 number(s): "199"

Test #43:

score: 0
Accepted
time: 5ms
memory: 7232kb

input:

94 61 22 35

output:

9

result:

ok 1 number(s): "9"

Test #44:

score: 0
Accepted
time: 3ms
memory: 6580kb

input:

61 92 36 6

output:

7

result:

ok 1 number(s): "7"

Test #45:

score: 0
Accepted
time: 1ms
memory: 7364kb

input:

73 89 12 4

output:

57

result:

ok 1 number(s): "57"

Test #46:

score: 0
Accepted
time: 1ms
memory: 7436kb

input:

71 80 4 3

output:

-1

result:

ok 1 number(s): "-1"

Test #47:

score: 0
Accepted
time: 1ms
memory: 7048kb

input:

44 75 2 31

output:

85

result:

ok 1 number(s): "85"

Test #48:

score: 0
Accepted
time: 0ms
memory: 5936kb

input:

48 62 5 18

output:

35

result:

ok 1 number(s): "35"

Test #49:

score: 0
Accepted
time: 2ms
memory: 7108kb

input:

73 100 22 49

output:

9

result:

ok 1 number(s): "9"

Extra Test:

score: 0
Extra Test Passed