第10次作业
1.拆分实数的整数和小数
#include<stdio.h>
void splitfloat(float x,int *intpart,float *fracpart);
int main()
{
float x,fracpart;
int intpart;
printf("Input a number:");
scanf("%f",&x);
splitfloat(x,&intpart,&fracpart);
printf("The intpart is: %d\n",intpart);
printf("The fracpart is: %f\n",fracpart);
return 0;
}
void splitfloat(float x,int *intpart,float *fracpart)
{
*intpart=(int)x;
*fracpart=x-*intpart;
}
3,循环后移
#include <stdio.h>
void mov(int *x, int n, int m);
int main()
{
int i, m, n;
int a[80];
scanf("%d%d", &n, &m);
for(i = 0; i < n; i++)
scanf("%d", &a[i]);
mov(a, n, m);
printf("After move: ");
for(i = 0; i < n; i++)
printf("%d ", a[i]);
printf("\n");
}
void mov(int *x, int n, int m)
{
int i, j, k;
for(i = 1; i <= m; i++){
k = x[n-1];
for(j = n - 1; j > 0; j--)
x[j] = x[j-1];
x[0] = k;
}
}
6删除字符
#include<stdio.h>
int main()
{
char c;
char str[80];
void delchar(char *str, char c);
gets(str);
scanf("%c", &c);
getchar();
delchar(str, c);
printf("result: ");
puts(str);
}
void delchar(char *str, char c)
{
int i, j;
i = j = 0;
while(str[i] != '\0'){
if(str[i] != c){
str[j] = str[i];
j++;
}
i++;
}
str[j] = '\0';
}
7.字符排序
#include <stdio.h>
#include <string.h>
int main( )
{
int i, j, index;
char sx[5][80], stemp[80];
for(i=0;i<5;i++)
scanf("%s", sx[i]);
for(i=0; i<4; i++){
index=i;
for(j=i+1;j<5;j++)
if (strcmp(sx[j],sx[index])<0)
index=j;
strcpy(stemp,sx[i]);
strcpy(sx[i],sx[index]);
strcpy(sx[index],stemp);
}
printf("after sorted: \n");
for (i=0;i<5;i++)
puts(sx[i]);
return 0;
}