Câu hỏi: PRF192 Cơ sở lập trình – Bộ ôn tập số 2

#include <stdio.h>
int main() {
    int i = 10;
    do {
        printf("%d ", i);
        i -= 2;
    } while (i >= 1);
    return 0;
}

#include<stdio.h>
int main()
{
    const int a=5;
    if(a>3)
        a++;
        break;
    else
        a--;
    printf("%d",a);
    return 0;
}

#include <stdio.h>
int main() {
    int a=1,b=2,c=3;
    printf("%d %d %d");
    return 0;
}

double g (double x, double y){
    return (x - 2)*(x - 2) + y*y;
}

#include <stdio.h>
void main()
{
    int k = 5;
    int *p = &k;
    int **m  = &p;
    **m = 6;
    printf("%d\n", k);
}

#include <stdio.h>
int change(int a)
{
    a =10;
    return a;
}
void main()
{
    int i=5;
    i = change(i);
    printf("%d",i);
}

#include <stdio.h>
void level2(int** ppa)
{
    printf("%d\n", **ppa);
}
void level1(int* pa)
{
    level2(&pa);
}
main()
{
    int a = 10;
    level1(&a);
}

#include <stdio.h>
int main(){
    int a=6,b=15;
    int* ptr1= &a, *ptr2=&b;
    *ptr1 +=12-b+ (*ptr2);
    *ptr2 = b + a- 2*(*ptr1);
    printf("%d, %d, %d", a,b,b+a*3);
}

#include <stdio.h>

int hours_and_minutes2(int total, int *pminutes) {
    return (*pminutes = total % 60, total / 60);
}

int main() {
    int minutes;
    printf("Hours: %d, Minutes: %d\n", hours_and_minutes2(135, &minutes), minutes);
    return 0;
}

int a[] = {1,2,3,4};
int i, s = 0;
for (i=0; i<4; ++i)
    s += a[i];
printf("%f", (float)(s/4));

int i=4;
int *p = &i;