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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
#209313#3772. 飞行棋qiuqiu100260ms20600kbC++11931b2024-08-04 09:30:212024-08-04 12:23:35

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
#pragma GCC optimize(2)
int n,m,p[1005][1005];
int dir[][2]={{1,0},{-1,0},{0,1},{0,-1}};
int vis[1005][1005];
struct node{
	int x,y,step;
};
node cur;
int bfs(int x, int y){
	memset(vis, 0, sizeof(vis));
	queue<node> q;
	vis[1][1] = true, q.push({1, 1, 0});
	while (!q.empty()){
		cur = q.front(), q.pop();
		if (cur.x == x && cur.y == y)
			return cur.step;
		for (int i = 0; i < 4; i++){
			int tx = cur.x + dir[i][0]*p[cur.x][cur.y], ty = cur.y + dir[i][1]*p[cur.x][cur.y];
			if (tx > 0 && tx <= n && ty > 0 && ty <= m && !vis[tx][ty]){
				vis[tx][ty] = true;
				q.push({tx, ty, cur.step + 1});
			}
		}
	}
	return -1;
}
signed main(){
	scanf("%lld%lld",&n,&m);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			scanf("%lld",p[i]+j);
	int b=bfs(n,m);
	if(b==-1) cout<<"No Solution";
	else cout<<cur.step;
	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: 9116kb

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: 2ms
memory: 9136kb

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: 9140kb

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: 9172kb

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: 4ms
memory: 9168kb

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: 9176kb

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: 5ms
memory: 9656kb

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: 0ms
memory: 9656kb

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: 167ms
memory: 20600kb

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: 82ms
memory: 16960kb

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