应聘IT公司笔试算法题目
{'X','o','X','X','X','X','X','X'},
{'X','o','X','X','o','o','o','X'},
{'X','o','o','o','o','X','o','o'},
{'X','X','X','X','X','X','X','X'}};
void FindPath(int X, int Y) {
if(X == MAX_SIZE || Y == MAX_SIZE) {
for(int i = 0; i < MAX_SIZE; i++)
for(int j = 0; j < MAX_SIZE; j++)
printf("%c%c", Maze[j], j < MAX_SIZE-1 ? ' ' : '\n');
}else for(int k = 0; k < 4; k++)
if(X >= 0 && Y >= 0 && Y < MAX_SIZE && X < MAX_SIZE && 'o' == Maze[X][Y]) {
Maze[X][Y] = ' ';
FindPath(X+V[k], Y+H[k]);
Maze[X][Y] ='o';
}
}
int main(int argc, char* argv[]) {
FindPath(1,0);
}
7、随机分配座位,共50个学生,使学号相邻的同学座位不能相邻(早些时候用C#写的,没有用C改写)。
static void Main(string[] args)
{
int Tmp = 0, Count = 50;
int[] Seats = new int[Count];
bool[] Students = new bool[Count];
System.Random RandStudent=new System.Random();
Students[Seats[0]=RandStudent.Next(0,Count)]=true;
for(int i = 1; i < Count; ) {
Tmp=(int)RandStudent.Next(0,Count);
if((!Students[Tmp])&&(Seats[i-1]-Tmp!=1) && (Seats[i-1] - Tmp) != -1) {
Seats[i++] = Tmp;
Students[Tmp] = true;
}
}
foreach(int Student in Seats)
System.Console.Write(Student + " ");
System.Console.Read();
}
8、求网格中的黑点分布。现有6*7的网格,在某些格子中有黑点,已知各行与各列中有黑点的点数之和,请在这张网格中画出黑点的位置。(这是一网友提出的题目,说是他笔试时遇到算法题)
#define ROWS 6
#define COLS 7
int iPointsR[ROWS] = {2, 0, 4, 3, 4, 0}; // 各行黑点数和的情况
int iPointsC[COLS] = {4, 1, 2, 2, 1, 2, 1}; // 各列黑点数和的情况
int iCount, iFound;
int iSumR[ROWS], iSumC[COLS], Grid[ROWS][COLS];
int Set(int iRowNo) {
if(iRowNo == ROWS) {
for(int iColNo=0; iColNo < COLS && iSumC[iColNo]==iPointsC[iColNo]; iColNo++)
if(iColNo == COLS-1) {
printf("\nNo.%d:\n", ++iCount);
for(int i=0; i < ROWS; i++)
for(int j=0; j < COLS; j++)
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