#include<stdio.h>
#define QueueSize 20
typedef struct {
char name[QueueSize];
char sex;
}Person;
typedef struct {
Person *dancer;
int front;
int rear;
int count;
} CirQueue;
void InitQueue(CirQueue *Q)
{
Q->front=Q->rear=0;
Q->count=0;
}
int QueueEmpty(CirQueue *Q)
{
return Q->count==0;
}
int QueueFull(CirQueue *Q)
{ return Q->count == QueueSize;
}
Person QueueFront(CirQueue *Q)
{
if(QueueEmpty(Q)) printf("The queue is empty.\n");
return Q->dancer[Q->front];
}
void EnQueue(CirQueue *Q,Person dancer)
{
if(QueueFull(Q)) printf("Team full!\n");
Q->count++;
Q->dancer[Q->rear]=dancer;
Q->rear=(Q->rear+1)%QueueSize;
}
Person DeQueue(CirQueue *Q)
{
Person temp;
if(QueueEmpty(Q))printf("Team empty!\n");
temp=Q->dancer[Q->front];
Q->count--;
Q->front=(Q->front+1)%QueueSize;
return temp;
}
void DancePartners(Person *dancer, int num)
{ int i;
Person P;
CirQueue Mdancers, Fdancers;
InitQueue(&Mdancers);
InitQueue(&Fdancers);
for(i=0;i<num;i++) {
P=dancer[i];
if(P.sex=='F') EnQueue(&Fdancers, P);
else EnQueue(&Mdancers, P);
}
printf("The partner mix is:\n");
while(!QueueEmpty(&Fdancers)&&!QueueEmpty(&Mdancers)) {
P=DeQueue(&Fdancers);
printf("%s,",P.name);
P=DeQueue(&Mdancers);
printf("%s\n",P.name);
}
if(!QueueEmpty(&Fdancers)) {
printf("There are %d women in the waiting.\n",Fdancers.count);
P=QueueFront(&Fdancers);
printf("The first waiting's woman is:%s.\n", P.name);
}
if(!QueueEmpty(&Mdancers)) {
printf("There are %d men in the waiting.\n",Mdancers.count-1);
P=QueueFront(&Mdancers);
printf("The first waiting's man is:%s.\n", P.name);
}
}
int main()
{
int i,j;
Person dancer[QueueSize];
printf("\n Please enter the number of the dances:");
scanf("%d",&j);
while(j<=0)
{
printf("Input error, please input again:");
scanf("%d",&j);
}
for(i=1;i<=j;i++)
{
printf("Please input the %d honored person's name :",i);
scanf("%s",&dancer[i-1].name);
printf("Please input the %d honored person's sex (F/M):",i);
scanf("%s",&dancer[i-1].sex);
while(dancer[i-1].sex!='F'&&dancer[i-1].sex!='M')
{
printf("Input error, please input again:");
scanf("%s",&dancer[i-1].sex);
}
}
DancePartners(dancer,i);
}
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