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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
#209276#3772. 飞行棋ChenHanzhang100478ms7992kbC++11732b2024-08-04 08:49:102024-08-04 12:22:39

answer

#include<bits/stdc++.h>
using namespace std;
int n,m,a[1010][1010],d[4][2]={{1,0},{0,1},{-1,0},{0,-1}};
bool vis[1010][1010];
struct node{
	int x,y,step;
};
int bfs(int x,int y){
	vis[x][y]=true;
	queue<node>q;
	q.push({x,y,0});
	while(q.size()){
		node t=q.front();
		q.pop();
		for(int i=0;i<4;i++){
			int tx=t.x+d[i][0]*a[t.x][t.y],ty=t.y+d[i][1]*a[t.x][t.y];
			if(tx>=1&&tx<=n&&ty>=1&&ty<=m&&!vis[tx][ty]){
				if(tx==n&&ty==m) return t.step+1;
				vis[tx][ty]=true;
				q.push({tx,ty,t.step+1});
			}
		}
	}
	return -1;
}
int main(){
	cin>>n>>m;
	for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) cin>>a[i][j];
	int ans=bfs(1,1);
	if(ans==-1) puts("No Solution");
	else cout<<ans<<endl;
	return 0;
}

详细

小提示:点击横条可展开更详细的信息

Subtask #1:

score: 60
Accepted

Test #1:

score: 60
Accepted
time: 0ms
memory: 1220kb

input:

3 3
2 2 3
1 2 3
3 1 1

output:

No Solution

result:

ok 2 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 1240kb

input:

7 3
3 3 3
5 4 7
6 7 7
6 1 3
3 4 2
1 1 4
5 1 6

output:

No Solution

result:

ok 2 tokens

Test #3:

score: 0
Accepted
time: 0ms
memory: 1248kb

input:

8 3
4 2 3
4 2 2
6 3 4
5 5 4
3 6 1
2 1 7
6 2 5
1 8 7

output:

No Solution

result:

ok 2 tokens

Test #4:

score: 0
Accepted
time: 0ms
memory: 1288kb

input:

8 6
1 1 5 5 1 7
2 1 8 8 2 8
5 3 2 5 3 2
3 4 1 2 6 2
4 4 8 7 3 3
7 2 3 7 5 3
4 1 5 7 4 8
4 7 3 3 3 2

output:

7

result:

ok "7"

Test #5:

score: 0
Accepted
time: 0ms
memory: 1280kb

input:

7 9
8 1 4 5 7 7 7 4 4
2 7 6 4 8 6 8 3 6
1 9 1 8 5 5 4 8 6
5 9 1 2 4 8 3 7 1
4 9 9 6 1 5 1 4 2
4 1 8 ...

output:

3

result:

ok "3"

Test #6:

score: 0
Accepted
time: 0ms
memory: 1292kb

input:

10 10
7 1 6 8 6 5 5 7 9 9
6 7 7 3 8 3 10 1 8 4
5 10 2 2 10 5 8 3 5 5
7 8 4 6 9 8 3 8 9 5
5 9 3 6 10 ...

output:

6

result:

ok "6"

Subtask #2:

score: 20
Accepted

Test #7:

score: 20
Accepted
time: 2ms
memory: 1764kb

input:

100 100
43 1 34 53 74 81 44 67 8 26 89 21 71 5 95 44 26 63 36 12 14 42 95 96 73 47 96 45 35 55 20 36...

output:

11

result:

ok "11"

Test #8:

score: 0
Accepted
time: 2ms
memory: 1772kb

input:

100 100
59 76 51 65 79 47 38 99 30 54 49 42 61 100 84 98 44 53 22 63 55 11 33 1 52 5 35 20 32 76 24 ...

output:

13

result:

ok "13"

Subtask #3:

score: 20
Accepted

Test #9:

score: 20
Accepted
time: 234ms
memory: 7992kb

input:

1000 1000
692 456 53 655 421 246 495 194 6 409 970 582 974 324 530 571 812 897 729 734 306 180 41 41...

output:

19

result:

ok "19"

Test #10:

score: 0
Accepted
time: 240ms
memory: 5156kb

input:

1000 1000
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 ...

output:

No Solution

result:

ok 2 tokens

Extra Test:

score: 0
Extra Test Passed