1.05-变量
2015-07-27 08:59
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#include <stdio.h>
/*
1.变量的定义
变量类型
变量名;
int score;
2.变量的赋值
score = 100;
score = a;
score = b = 100;
3.变量的输出
int a = 200;
printf("%i", a);
常用格式符:
1> %d\%i 整数(int)
2> %f 小数(float、double)
3> %c 字符(char)
*/
int main()
{
/*
int score;
// 赋值操作(初始化)
score = 1000;
score = 10000;
char c;
c = 'A';
int a = 20;
//int d,e,f;
int b;
b = a = 40;
b = 30;*/
//变量:只要有不确定的数据,
就应该定义变量来保存
int score =
205;
// 1:15
int time =
75;
int bestScore =
3161;
// %d\%i是一个格式符(占位符),只能输出整数
printf("分数是%d\n", score);
float height =
1.78f;
// %f用来输出小数,默认是6位小数
printf("身高是%.2f\n", height);
char scoreGrade =
'D';
printf("积分等级是%c\n", scoreGrade);
printf("分数是%d,身高是%f,等级是%c\n",
score, height, 'C');
return
0;
}
/*
1.变量的定义
变量类型
变量名;
int score;
2.变量的赋值
score = 100;
score = a;
score = b = 100;
3.变量的输出
int a = 200;
printf("%i", a);
常用格式符:
1> %d\%i 整数(int)
2> %f 小数(float、double)
3> %c 字符(char)
*/
int main()
{
/*
int score;
// 赋值操作(初始化)
score = 1000;
score = 10000;
char c;
c = 'A';
int a = 20;
//int d,e,f;
int b;
b = a = 40;
b = 30;*/
//变量:只要有不确定的数据,
就应该定义变量来保存
int score =
205;
// 1:15
int time =
75;
int bestScore =
3161;
// %d\%i是一个格式符(占位符),只能输出整数
printf("分数是%d\n", score);
float height =
1.78f;
// %f用来输出小数,默认是6位小数
printf("身高是%.2f\n", height);
char scoreGrade =
'D';
printf("积分等级是%c\n", scoreGrade);
printf("分数是%d,身高是%f,等级是%c\n",
score, height, 'C');
return
0;
}