CPrimer_Plus(第五版)习题答案

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2025-01-28 发布于天津市
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Chapter 2 PE 2-1 /* Programming Exercise 2-1 */ #include 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 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 void jolly(void); void deny(void); int main(void) { jolly(); jolly(); jolly(); deny(); return 0; } void jolly(void) { printf("For he's a jolly good fellow!\n"); } void deny(void) { printf("Which nobody can deny!\n"); } PE 2-5 /* Programming Exercise 2-5 */ #include 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 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 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 int main(void) { float num; printf("Enter a floating-point value: "); scanf("%f", &num); printf("fixed-point no...

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