顺丰科技2019秋招嵌入式软件开发工程师客观题合集

void main(void) { 
    int a=b=c=10
    a=b=c=50
    printf(“\n %d %d %d”,a,b,c)
}

void main (void) {
    double x=28
    int r
    r= x%5
    printf ("r=%d\n", r)
}

void main (void) {
    char a[] = “SF-TECH” 
    a++
    printf (“%s”, a)
}

void main (void) {
    int i 
    i = 0x10 + 010 + 10
    printf ("x = %x”, i) 
}

#define SQUARE(X) X * X
void main (void) {
   printf (“Square = %d” , SQUARE(10+2) ) 
}

void main (void) {
    int x
    x = printf(“I See, Sea in C”)
    printf("x=%d" , x) 
}

int main (void) {
    printf("%d", 'B'<'A')
    return 0
}

void main (void) {
    printf(“\n %d %d”, 10&20, 10/20)
}

union test {
    int x
    char y
    float z
}

int value [] = {11,33,51,70,99}
int *p = value

#include <stdio.h>                        
int main(void){
    int x = 10, y = 20, t = 0
    if (x == y) t = x x = y y = t
    printf("%d, %d\n", x, y)
    return 0
}

int b_val = 0
while(!b_val) …

int function(int a, int b, int c) {
    c =  a * b
}
int main(void) {
    int c = 0
    function(10,20, c)
    printf("%d", c)
}

sizeof("hello")
strlen("world")

char *a[] = {"BEIJING", "SHENZHEN", "SHANGHAI", "GUANGZHOU"}
char **pa[] = {a+3, a+2, a+1, a}
char ***ppa = pa
int main(void) {
    printf("%s, ", **++ppa)
    printf("%s, ", *--*++ppa+3)
    printf("%s, ", *ppa[-2]+3)
    printf("%s", ppa[-1][-1]+1)
}

void fun (int x, int y , int *a, int *b) {
    a = x + y
    b = x - y
}
int main(void) {
    int x = 20，y = 10，a  = 0, b = 0
    fun(x, y, &a, &b) 
   printf(" %d, %d", a, b)
}

void main(void) {
    char *s = "1314520"
    int v1 = 0, v2 = 0, v3 = 0, v4 =0
    for (int i = 0 s[i] i++) {
        switch(s[i]) {
            default: v4++
            case '1': v1++
            case '2': v2++
            cas3 '3': v3++
        }
    }
    printf("%d, %d, %d, %d", v4,v1,v2,v3)
}

void foo(void){
    unsigned int a = 10
    int b = -20
    ((a+b) > 10 )? printf(">10"):printf("<=10")
}