C_Primer_Plus(第五版)中文版课后习题答案_精品.doc

C_Primer_Plus(第五版)中文版课后习题答案_精品.doc

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C_Primer_Plus(第五版)中文版课后习题答案_精品

Chapter 2 PE 2-1 /* Programming Exercise 2-1 */ #include stdio.h int main(void) { printf(Anton Bruckner\n); printf(Anton\nBruckner\n); printf(Anton ); printf(Bruckner\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 = 44; 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 2-5 /* Programming Exercise 2-5 */ #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 2-7 /* Programming Exercise 2-7 */ #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 PE 3-2 /* Programming Exercise 3-2 */ #include stdio.h int main(void) { int ascii; printf(Enter an ASCII code: ); scanf(%d, ascii); printf(%d is the ASCII code for %c.\n, ascii, ascii); return 0; } PE 3-4 /* Programming Exercise 3-4 */ #include stdio.h int main(void) { float num; printf(Enter a floating-point value: ); scanf(%f, num); printf(fixed-point notation: %f\n, num); printf(exponential notation: %e\n, num); return 0; } PE 3-6 /* Programming Exercise 3-6 */

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