#include <stdio.h> #include <stdlib.h> #include <time.h> // 函数用于将整数转换为指定基数的字符串表示 char* intToBaseString(int num, int base) { static char buffer[33]; // 静态数组用于存储转换后的字符串 int i = 0; int isNegative = 0;
// 处理负数
if (num < 0) {
isNegative = 1;
num = -num;
}
// 转换为字符串
do {
int digit = num % base;
buffer[i++] = digit < 10 ? '0' + digit : 'A' + digit - 10;
num /= base;
} while (num > 0);
// 如果是负数,添加负号
if (isNegative) {
buffer[i++] = '-';
}
// 字符串结束符
buffer[i] = '\0';
// 反转字符串
for (int j = 0; j < i / 2; j++) {
char temp = buffer[j];
buffer[j] = buffer[i - j - 1];
buffer[i - j - 1] = temp;
}
return buffer;
}
int main() {
int n, m, o,d;
char r[33], s[33], t[33]; // 为字符串分配足够的空间
srand((int)time(NULL)); for (n = 0; n <(rand() % 100); n++) { for (m = 0; m < (rand() % 100); m++) { o = n + m; // 调用函数将整数转换为基数为8的字符串 strcpy(r, intToBaseString(n, 8)); strcpy(s, intToBaseString(m, 8)); strcpy(t, intToBaseString(o, 8));
// 输出结果
printf("%s+%s=%s\n", r, s, t);
}
}
return 0;
}
改编以上程序代码增加功能实现四则运算口诀表代码
以下是修改后的代码,实现了四则运算口诀表的功能:
c 复制#include <stdio.h> #include <stdlib.h> #include <time.h>
// 函数用于将整数转换为指定基数的字符串表示 char* intToBaseString(int num, int base) { static char buffer[33]; // 静态数组用于存储转换后的字符串 int i = 0; int isNegative = 0;
// 处理负数
if (num < 0) {
isNegative = 1;
num = -num;
}
// 转换为字符串
do {
int digit = num % base;
buffer[i++] = digit < 10? '0' + digit : 'A' + digit - 10;
num /= base;
} while (num > 0);
// 如果是负数,添加负号
if (isNegative) {
buffer[i++] = '-';
}
// 字符串结束符
buffer[i] = '\0';
// 反转字符串
for (int j = 0; j < i / 2; j++) {
char temp = buffer[j];
buffer[j] = buffer[i - j - 1];
buffer[i - j - 1] = temp;
}
return buffer;
}
int main() {
int n, m, o, p, q, r;
char r1[33], s1[33], t1[33], t2[33], t3[33], t4[33]; // 为字符串分配足够的空间
srand((int)time(NULL));
for (n = 0; n < (rand() % 100); n++) {
for (m = 0; m < (rand() % 100); m++) {
o = n + m;
p = n - m;
q = n * m;
if (m!= 0) {
r = n / m;
}
// 调用函数将整数转换为基数为 8 的字符串
strcpy(r1, intToBaseString(n, 8));
strcpy(s1, intToBaseString(m, 8));
strcpy(t1, intToBaseString(o, 8));
strcpy(t2, intToBaseString(p, 8));
strcpy(t3, intToBaseString(q, 8));
if (m!= 0) {
strcpy(t4, intToBaseString(r, 8));
}
// 输出结果
printf("%s + %s = %s\n", r1, s1, t1);
printf("%s - %s = %s\n", r1, s1, t2);
printf("%s * %s = %s\n", r1, s1, t3);
if (m!= 0) {
printf("%s / %s = %s\n", r1, s1, t4);
}
}
}
return 0;
}