《C Primer Plus第6版编程练习答案(已下载)》.doc

C Primer Plus Sixth Edition Programming Exercise Selected Answers C Primer Plus Sixth Edition Programming Exercise Selected Answers PAGE \* MERGEFORMAT 1 PAGE \* MERGEFORMAT 1 C Primer Plus Sixth Edition Programming Exercise Selected Answers PAGE \* MERGEFORMAT 1 Chapter 2 Programming Exercises PE 2--‐1 /* Programming Exercise 2-1 */ #include stdio.h int main(void) { printf(Gustav Mahler\n); printf(Gustav\nMahler\n); printf(Gustav ); printf(Mahler\n); return 0; } PE 2--‐3 /* Programming Exercise 2-3 */ #include stdio.h int main(void) { int ageyears; /* age in years */ int agedays; /* age in days */ /* large ages may require the long type */ ageyears = 101; agedays = 365 * ageyears; printf(An age of %d years is %d days.\n, ageyears, agedays); return 0; } PE 2--‐4 /* Programming Exercise 2-4 */ #include stdio.h void jolly(void); void deny(void); int main(void) { jolly(); jolly(); jolly(); deny(); return 0; } void jolly(void) { printf(For hes a jolly good fellow!\n); } void deny(void) { printf(Which nobody can deny!\n); } PE 2--‐6 /* Programming Exercise 2-6 */ #include stdio.h int main(void) { int toes; toes = 10; printf(toes = %d\n, toes); printf(Twice toes = %d\n, 2 * toes); printf(toes squared = %d\n, toes * toes); return 0; } /* or create two more variables, set them to 2 * toes and toes * toes */ PE 2--‐8 /* Programming Exercise 2-8 */ #include stdio.h void one_three(void); void two(void); int main(void) { printf(starting now:\n); one_three(); printf(done!\n); return 0; } void one_three(void) { printf(one\n); two(); printf(three\n); } void two(void) { printf(two\n); } Chapter 3 Pro