C/C++之char，short ，long，double，float，int， signed, unsigned

#include<stdio.h>#include<stdlib.h>int main(){    int i = 3;    char c = 'a';    long long ago = 431231313;    short int i1 = 2;    long int i2 = 2344;    printf("i = %d\n",i);    printf("char的长度：%d\n",sizeof(char));    printf("int的长度：%d\n",sizeof(int));    printf("float的长度：%d\n",sizeof(float));    printf("double的长度：%d\n",sizeof(double));    printf("long的长度：%d\n",sizeof(long));    printf("short的长度：%d\n",sizeof(short));    printf("long long的长度：%d\n",sizeof(long long));    printf("short int 的长度：%d\n",sizeof(short int));    printf("long int的长度:%d\n",sizeof(long int));    system("pause");    }