进制转换的实现
閑來沒事寫著玩。。。。
#include <stdio.h>
#include <stdlib.h>
#define STACK_INIT_SIZE 10
#define STACKINCRMENT 2
#define JINZHI 8????????? //可以修改,以實現不同進制的轉換
struct stack
{
??? int *base;
??? int *top;
??? int stacksize;
};
int initstack(struct stack &S);
int push(struct stack &s, int x);
int pop(struct stack &S);
int empty(struct stack &S);
int main()
{
??? struct stack S;
??? long N;
??? printf("創建棧:\n");
??? if (!initstack(S))
??? {
??? ??? printf("創建成功!\n");
??? }
???
??? printf("請輸入N:");
??? scanf("%d", &N);
??? printf("10進制數%d轉換%d進制的結果為:", N, JINZHI);
??? while(N)
??? {
??? ??? push(S, N%JINZHI);
??? ??? N /= JINZHI;
??? }
???
??? while(!empty(S))
??? {
??? ??? printf("%d",pop(S));
??? ???
??? }
??? printf("\n\n");
??? return 0;
}
int initstack(struct stack &S)
{
??? S.base = (int *)malloc(sizeof(int) * STACK_INIT_SIZE);
??? if(S.base == NULL)
??? {
??? ??? printf("malloc failed!\n");
??? ??? exit(1);
??? }
??? S.top = S.base;
??? S.stacksize = STACK_INIT_SIZE;
??? return 0;
}
int push(struct stack &S, int x)
{
??? if (S.top - S.base >= S.stacksize)
??? {
??? ??? S.base = (int *)malloc(sizeof(int) * (STACKINCRMENT + S.stacksize));
??? ??? if(!S.base)
??? ??? {
??? ??? ??? printf("malloc failed!\n");
??? ??? ??? exit(1);
??? ??? }
??? ??? S.top = S.base + S.stacksize;
??? ??? S.stacksize += STACKINCRMENT;
??? }
??? S.top++;
??? *S.top= x;
??? return 0;
}
int pop(struct stack &S)
{
??? int x;
??? if (S.top == S.base)
??? {
??? ??? printf("empty stack");
??? ??? exit(1);
??? }
??? x = *S.top;
??? S.top--;
??? return x;
}
int empty(struct stack &S)
{
??? if (S.top == S.base)
??? {
??? ??? return 1;
??? }
??? else
??? {
??? ??? return 0;
??? }
}
#include <stdio.h>
#include <stdlib.h>
#define STACK_INIT_SIZE 10
#define STACKINCRMENT 2
#define JINZHI 8????????? //可以修改,以實現不同進制的轉換
struct stack
{
??? int *base;
??? int *top;
??? int stacksize;
};
int initstack(struct stack &S);
int push(struct stack &s, int x);
int pop(struct stack &S);
int empty(struct stack &S);
int main()
{
??? struct stack S;
??? long N;
??? printf("創建棧:\n");
??? if (!initstack(S))
??? {
??? ??? printf("創建成功!\n");
??? }
???
??? printf("請輸入N:");
??? scanf("%d", &N);
??? printf("10進制數%d轉換%d進制的結果為:", N, JINZHI);
??? while(N)
??? {
??? ??? push(S, N%JINZHI);
??? ??? N /= JINZHI;
??? }
???
??? while(!empty(S))
??? {
??? ??? printf("%d",pop(S));
??? ???
??? }
??? printf("\n\n");
??? return 0;
}
int initstack(struct stack &S)
{
??? S.base = (int *)malloc(sizeof(int) * STACK_INIT_SIZE);
??? if(S.base == NULL)
??? {
??? ??? printf("malloc failed!\n");
??? ??? exit(1);
??? }
??? S.top = S.base;
??? S.stacksize = STACK_INIT_SIZE;
??? return 0;
}
int push(struct stack &S, int x)
{
??? if (S.top - S.base >= S.stacksize)
??? {
??? ??? S.base = (int *)malloc(sizeof(int) * (STACKINCRMENT + S.stacksize));
??? ??? if(!S.base)
??? ??? {
??? ??? ??? printf("malloc failed!\n");
??? ??? ??? exit(1);
??? ??? }
??? ??? S.top = S.base + S.stacksize;
??? ??? S.stacksize += STACKINCRMENT;
??? }
??? S.top++;
??? *S.top= x;
??? return 0;
}
int pop(struct stack &S)
{
??? int x;
??? if (S.top == S.base)
??? {
??? ??? printf("empty stack");
??? ??? exit(1);
??? }
??? x = *S.top;
??? S.top--;
??? return x;
}
int empty(struct stack &S)
{
??? if (S.top == S.base)
??? {
??? ??? return 1;
??? }
??? else
??? {
??? ??? return 0;
??? }
}
轉載于:https://blog.51cto.com/qq164587043/78816
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