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8.12.5 include int main(void) { int rangebig, rangesmall, input; int defaultnum = 67; // scanf("%d", &input); while(scanf("%d", &input)) { if (input d 阅读全文
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如果有超过2个连续的非字母出现则单词计数不准确。 8.11.4.c include include int main(void) { int word = 0, ch_total = 0, nocharflag = 0; char ch; while ((ch = getchar()) != EOF 阅读全文
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8.11.3.c include include int main(void) { char ch; int upper = 0, lower = 0, total = 0; while ((ch = getchar()) != EOF) { ++total; if (islower(ch) 0) 阅读全文
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8.10.8 include int main(void) { printf("使用getchar函数之前记得处理换行符"); putchar('\n'); printf("在使用缓冲输入的系统中,"); printf("把数值和字符混合输入会遇到"); printf("什么潜在问题?"); put 阅读全文
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// checking.c 输入验证 include include // 验证输入是一个整数 long get_long(void); // 验证范围的上下限是否有效 bool bad_limits(long begin, long end, long low, long high); // 计算 阅读全文
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8.4 guess.c 一个拖沓且错误的猜数字程序 include int main(void) { int guess = 1; printf("Pick an integer from 1 to 100. I will try to guess "); printf("it. \nRespond 阅读全文
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8.3 file_eof.c 打开一个文件并显示该文件 include include // 为了使用exit() int main() { int ch; FILE fp; char fname[50]; // 存储文件名 printf("Enter the name of the file: " 阅读全文
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7.12.9 include int main(void) { int num; int i , j; int flag = 0; printf("请输入一个正整数:\n"); if ((scanf("%d", &num) == 1) && (num 0)) { for (j = 3; j 阅读全文
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7.12.6 include int main(void) { char ch; char prechar; int frequency = 0; while ((ch = getchar()) != ' ') { if (ch == 'e') prechar = 'e'; if ((ch == ' 阅读全文
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7.12.3 include int main(void) { int odd_number = 0; int even_number = 0; int odd_sum = 0; int even_sum = 0; int num; while ( scanf("%d", &num) == 1) { 阅读全文
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7.12.1 include int main(void) { char ch; int space_count = 0; int linebreak_count = 0; int other_count = 0; while ((ch = getchar()) != ' ') { if (ch = 阅读全文
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7.11 animals.c 程序 include include int main(void) { char ch; printf("Give me a letter of the alphabet, and I will give "); printf("an animal name\nbegi 阅读全文
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7.10 break.c 程序 include int main(void) { float length, width; printf("Enter the length of the rectangle:\n"); while (scanf("%f", &length) == 1) { prin 阅读全文
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7.9 skippart.c 程序 include int main(void) { const float MIN = 0.0f; const float MAX = 100.0f; float score; float total = 0.0f; int n = 0; float min = M 阅读全文
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7.8 paint.c 程序 include define COVERAGE 350 // 每罐尤其可刷的面积(单位:平方英尺) int main(void) { int sq_feet; int cans; printf("Enter number of square feet to be pai 阅读全文
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逻辑运算符的优先级比关系运算符优先级低,所以不必在子表达式两侧加圆括号。 iso646.h头文件 因此,C99标准新增了可代替逻辑运算符的拼写,它们被定义在iso646.h头文件中。 如果在程序中包含该头文件,便可用and代替&&、or代替||、not代替!。 例如,可以把下面的代码: if ( c 阅读全文