QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#724569#7781. Sheep Eat Wolvesjuan_123#AC ✓77ms3964kbC++141.2kb2024-11-08 13:48:462024-11-08 13:48:46

Judging History

你现在查看的是最新测评结果

  • [2024-11-08 13:48:46]
  • 评测
  • 测评结果:AC
  • 用时:77ms
  • 内存:3964kb
  • [2024-11-08 13:48:46]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define double long double
#define lowbit(x) (x&(-x))
const int inf = 1000000000;
int dis[2][105][105];
int X,Y,p,q;
bool check(int x,int y){
	if(x==0)return 1;
	return y-x<=q;
} 
signed main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> X >> Y >> p >> q;
	queue<pair<int,pair<int,int> > >q;
	for(int i =0;i<=X;i++)for(int j =0;j<=Y;j++)dis[0][i][j]=dis[1][i][j]=inf;
	q.push({0,{X,Y}});dis[0][X][Y]=0;
	int tt = 0;
	while(!q.empty()){
		int tp = q.front().first,x = q.front().second.first,y = q.front().second.second;
	//	cout <<" " << tp << " " << x << " " << y << " " << dis[tp][x][y] <<endl;
		++tt;
	//	if(tt%100000==0)cout << tt << endl; 
		q.pop();
		for(int i =0;i<=x;i++){
			for(int j =0;j<=y;j++){
				if(i+j>p or !check(x-i,y-j))continue;
				int xx = X-(x-i),yy = Y-(y-j);
	//			cout << x-i << " " << y-j << "  " << xx << " " << yy << endl;
				if(dis[tp^1][xx][yy]>dis[tp][x][y]+1){
					dis[tp^1][xx][yy] = dis[tp][x][y]+1;
					q.push({tp^1,{xx,yy}});
				}
			}
		}
	} 
	int ans = inf;
	for(int i = 0;i<=Y;i++)ans = min(ans,dis[1][X][i]);
	if(ans == inf)ans = -1; 
	cout << ans << endl;
	return 0;
}/*
90 100 8 2
*/

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: 3584kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3588kb

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: 3588kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

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

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

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

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 1ms
memory: 3664kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 2ms
memory: 3820kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 3ms
memory: 3640kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 3ms
memory: 3656kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 3ms
memory: 3608kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 5ms
memory: 3668kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 6ms
memory: 3620kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 9ms
memory: 3616kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 1ms
memory: 3704kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

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

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 15ms
memory: 3896kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 2ms
memory: 3688kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 21ms
memory: 3700kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 23ms
memory: 3628kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 39ms
memory: 3736kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 34ms
memory: 3728kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: 0
Accepted
time: 0ms
memory: 3924kb

input:

100 100 5 0

output:

95

result:

ok 1 number(s): "95"

Test #26:

score: 0
Accepted
time: 18ms
memory: 3644kb

input:

100 100 25 3

output:

13

result:

ok 1 number(s): "13"

Test #27:

score: 0
Accepted
time: 23ms
memory: 3712kb

input:

100 100 30 4

output:

11

result:

ok 1 number(s): "11"

Test #28:

score: 0
Accepted
time: 3ms
memory: 3568kb

input:

95 100 3 3

output:

125

result:

ok 1 number(s): "125"

Test #29:

score: 0
Accepted
time: 33ms
memory: 3660kb

input:

98 99 50 6

output:

5

result:

ok 1 number(s): "5"

Test #30:

score: 0
Accepted
time: 31ms
memory: 3964kb

input:

100 100 45 4

output:

7

result:

ok 1 number(s): "7"

Test #31:

score: 0
Accepted
time: 53ms
memory: 3736kb

input:

100 100 40 39

output:

7

result:

ok 1 number(s): "7"

Test #32:

score: 0
Accepted
time: 44ms
memory: 3672kb

input:

100 100 45 19

output:

7

result:

ok 1 number(s): "7"

Test #33:

score: 0
Accepted
time: 77ms
memory: 3760kb

input:

100 100 49 99

output:

5

result:

ok 1 number(s): "5"

Test #34:

score: 0
Accepted
time: 73ms
memory: 3644kb

input:

100 100 49 100

output:

5

result:

ok 1 number(s): "5"

Test #35:

score: 0
Accepted
time: 74ms
memory: 3952kb

input:

100 100 49 98

output:

5

result:

ok 1 number(s): "5"

Test #36:

score: 0
Accepted
time: 75ms
memory: 3752kb

input:

100 100 49 97

output:

5

result:

ok 1 number(s): "5"

Test #37:

score: 0
Accepted
time: 77ms
memory: 3704kb

input:

100 100 49 96

output:

5

result:

ok 1 number(s): "5"

Test #38:

score: 0
Accepted
time: 72ms
memory: 3752kb

input:

100 100 49 95

output:

5

result:

ok 1 number(s): "5"

Test #39:

score: 0
Accepted
time: 42ms
memory: 3776kb

input:

100 100 100 0

output:

1

result:

ok 1 number(s): "1"

Test #40:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

1 100 1 0

output:

1

result:

ok 1 number(s): "1"

Test #41:

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

input:

90 100 5 5

output:

87

result:

ok 1 number(s): "87"

Test #42:

score: 0
Accepted
time: 0ms
memory: 3932kb

input:

100 1 1 0

output:

199

result:

ok 1 number(s): "199"

Test #43:

score: 0
Accepted
time: 18ms
memory: 3860kb

input:

94 61 22 35

output:

9

result:

ok 1 number(s): "9"

Test #44:

score: 0
Accepted
time: 8ms
memory: 3936kb

input:

61 92 36 6

output:

7

result:

ok 1 number(s): "7"

Test #45:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

73 89 12 4

output:

57

result:

ok 1 number(s): "57"

Test #46:

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

input:

71 80 4 3

output:

-1

result:

ok 1 number(s): "-1"

Test #47:

score: 0
Accepted
time: 3ms
memory: 3812kb

input:

44 75 2 31

output:

85

result:

ok 1 number(s): "85"

Test #48:

score: 0
Accepted
time: 2ms
memory: 3592kb

input:

48 62 5 18

output:

35

result:

ok 1 number(s): "35"

Test #49:

score: 0
Accepted
time: 21ms
memory: 3632kb

input:

73 100 22 49

output:

9

result:

ok 1 number(s): "9"

Extra Test:

score: 0
Extra Test Passed