// ./sum2 4 8 -5 0 20

// prints: Sum=27 Sum2=505 Sum3=8451

#include

#include

static int x; // Sum

static int y; // Sum squares

static int z; // Sum cubes

static void sum2(int argc, char *argv[]) {

TBD

}

int main(int argc, char *argv[]) {

TBD

printf("Sum=%d Sum2=%d Sum3=%d ", x, y, z);

return 0;

}

____________________________

#include

#include

typedef struct {

int x; // Sum

int y; // Sum squares

int z; // Sum cubes

} sum_t;

static sum_t *sum3(int argc, char *argv[]) {

static sum_t sum;

TBD

return ∑

}

int main(int argc, char *argv[]) {

sum_t *m;

TBD

printf("Sum=%d Sum2=%d Sum3=%d ", m->x, m->y, m->z);

return 0;

}

-----------------------------------------------

#include

#include

typedef struct {

int x; // Sum

int y; // Sum squares

int z; // Sum cubes

} sum_t;

static void sum4(int argc, char *argv[], sum_t *sum) {

TBD

}

int main(int argc, char *argv[]) {

sum_t m;

TBD

printf("Sum=%d Sum2=%d Sum3=%d ", m.x, m.y, m.z);

return 0;

}

You have been given C files, each has the same logic, expressed in different ways. Each of the files is incomplete, marked by TBD. You must replace each TBD entry with appropriate C code. You must NOT alter any of the existing lines. You are only allowed to replace each TBD line with new lines.