除法運(yùn)算符“/”。二元運(yùn)算符,具有左結(jié)合性。參與運(yùn)算的量均為整型時(shí),結(jié)果為整型,舍去小數(shù)。如果運(yùn)算量中有一個(gè)為實(shí)型,結(jié)果為雙精度實(shí)型。c/d除法得到的是商,c%d除法得到的是余數(shù),兩者都是整型
2015-01-18
#include <stdio.h>
int main()
{
double num1 = 2.5; //定義浮點(diǎn)型變量num1并賦值為2.5
int num=(int)num1;
printf("num的整數(shù)部分是%d\n", num);
return 0;
}
int main()
{
double num1 = 2.5; //定義浮點(diǎn)型變量num1并賦值為2.5
int num=(int)num1;
printf("num的整數(shù)部分是%d\n", num);
return 0;
}
2015-01-18
char c;
int n;
float f;
double d;
c='a';
n =c ; //將c賦值給n
f =c; //將c賦值給f
d = c; //將c賦值給d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
int n;
float f;
double d;
c='a';
n =c ; //將c賦值給n
f =c; //將c賦值給f
d = c; //將c賦值給d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
2015-01-18
內(nèi)部第二個(gè)循環(huán)那里吐槽一下,可以寫成如下這樣
(k = 1; k < i*2; k++)
(k = 1; k < i*2; k++)
2015-01-18
#include <stdio.h>
int main()
{
double num = 2.5; //定義浮點(diǎn)型變量num1并賦值為2.5
int mum=(int) mum;
printf("num的整數(shù)部分是2\n", num);
return 0;
}
就這樣
int main()
{
double num = 2.5; //定義浮點(diǎn)型變量num1并賦值為2.5
int mum=(int) mum;
printf("num的整數(shù)部分是2\n", num);
return 0;
}
就這樣
2015-01-17
#include <stdio.h>
int main()
{
char c = 'a';
int n; //將c賦值給n
float f; //將c賦值給f
double d; //將c賦值給d
n=c;
f=n;
d=f;
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
就過了
int main()
{
char c = 'a';
int n; //將c賦值給n
float f; //將c賦值給f
double d; //將c賦值給d
n=c;
f=n;
d=f;
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
就過了
2015-01-17
發(fā)現(xiàn)小bug一枚,不一定是num<1000,也可以是num<=999
2015-01-17
#include <stdio.h>
int main() {
int year = 2014;
if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0 )
{
puts("今年是閏年");
}
else
{
puts("今年是平年");
}
//我討厭那些多余的東西,這種算式很復(fù)雜
}
int main() {
int year = 2014;
if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0 )
{
puts("今年是閏年");
}
else
{
puts("今年是平年");
}
//我討厭那些多余的東西,這種算式很復(fù)雜
}
2015-01-17
#include<stdio.h>
int main(){
int height = 185;
if(height >= 180)
{
printf("%s\n\n""恭喜小明可以參加?;@球隊(duì)");
}
}
int main(){
int height = 185;
if(height >= 180)
{
printf("%s\n\n""恭喜小明可以參加?;@球隊(duì)");
}
}
2015-01-17