Untitled
unknown
plain_text
a year ago
156 kB
2
Indexable
Never
Mario Mario Climb 0 0 1 3 1 1 1 0 0 0 0 0 2 1 1 1 Mario cần phải di chuyển từ vị trí có giá trị bằng 2 và ăn vàng ở ô có giá trị bằng 3 0 là nhữngô Mario không thể qua 1 là nhữngô Mario có thể qua 2 là vị trícủa Mario 3 là vị trí Mario cần di chuyển đến Các vị trí này được thể hiện bằng ma trận NxM( 2<=N,M<=50) Mario có thểdi chuyển theo hàng ngang hoặc hàng dọc Hàng ngang mario chỉ nhảy được tối đa 1 bước Hàng dọc mario có thể nhảy được “h” bước Tìm bước nhảy “h” tối thiểu để Mario có thể ăn được vàng Sample Input 3 5 8 1 1 1 1 0 0 0 0 0 0 0 3 0 1 1 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 2 1 1 1 1 1 1 1 5 6 0 1 1 1 0 0 3 1 0 1 1 0 0 0 0 0 1 1 0 0 0 0 0 1 2 1 1 1 1 1 9 13 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 1 1 1 1 1 1 1 1 1 Sample output Case #1 2 Case #2 1 Case #3 3 50 5 8 1 1 1 1 0 0 0 0 0 0 0 3 0 1 1 1 1 1 1 0 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1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 2 #include <iostream> using namespace std; int n, m; int xe, ye; int arr[51][51]; int visited[51][51]; bool flag; int dR[4] = {0, 0, -1, 1}; int dC[4] = {-1, 1, 0, 0}; typedef struct Point{ int x, y; }; typedef struct Queue{ int front, rear; Point data[5000]; }; void init(Queue &Q){ Q.front = Q.rear = -1; } void push(Queue &Q, Point value){ Q.rear++; Q.data[Q.rear] = value; } Point top(Queue &Q){ Point temp; Q.front++; temp = Q.data[Q.front]; Q.front--; return temp; } void pop(Queue &Q){ Q.front++; } bool empty(Queue &Q){ if(Q.front == Q.rear) return true; return false; } Queue Q; void BFS(Point P, int temp){ init(Q); push(Q, P); visited[P.x][P.y] = 1; while(!empty(Q)){ Point P1; P1 = top(Q); pop(Q); for(int h=1; h<=temp; h++){ for(int k=0; k<4; k++){ int x, y; x = P1.x + h * dR[k]; y = P1.y + dC[k]; if(x>=1 && x<=n && y>=1 && y<=m && visited[x][y] == 0 && arr[x][y] != 0){ visited[x][y] = 1; if(x == xe && y == ye){ flag = true; return; } Point P2; P2.x = x; P2.y = y; BFS(P2, temp); } } } } } int main(){ //freopen("vao.txt", "r", stdin); int t; cin >> t; for(int tc=1; tc<=t; tc++){ cin >> n >> m; int xs = -1, ys = -1; xe = -1, ye = -1; for(int i=1; i<=n; i++){ for(int j=1; j<=m; j++){ cin >> arr[i][j]; if(arr[i][j] == 2 && xs == -1){ xs = i; ys = j; } if(arr[i][j] == 3 && xe == -1){ xe = i; ye = j; } } } Point P; P.x = xs; P.y = ys; int ans = -1; flag = false; for(int i=1; i<=50; i++){ for(int l=1; l<=n; l++){ for(int p=1; p<=m; p++){ visited[l][p] = 0; } } BFS(P, i); if(flag){ ans = i; break; } } cout << "Case #" << tc << endl; cout << ans << endl; } return 0; }