生成一段C语言大数除法代码
时间: 2023-10-24 21:09:00 浏览: 105
以下是一段C语言大数除法代码:
```
#include <stdio.h>
#include <string.h>
#define MAX_DIGITS 1000
int dividend[MAX_DIGITS], divisor[MAX_DIGITS], quotient[MAX_DIGITS], remainder[MAX_DIGITS];
void divide(int dividend[], int divisor[], int quotient[], int remainder[]) {
int i, j;
int dividend_len = strlen(dividend);
int divisor_len = strlen(divisor);
for (i = 0; i < dividend_len; i++) {
remainder[i] = dividend[i] - '0';
}
int remainder_len = dividend_len;
while (remainder_len > 0 && remainder[remainder_len - 1] == 0) {
remainder_len--;
}
if (remainder_len < divisor_len) {
quotient[0] = 0;
return;
}
int shift = remainder_len - divisor_len;
for (i = divisor_len - 1; i >= 0; i--) {
divisor[i + shift] = divisor[i];
}
for (i = 0; i < shift; i++) {
divisor[i] = 0;
}
divisor_len = remainder_len;
while (shift >= 0) {
int d = 0;
while (d < 10 && memcmp(divisor, remainder, divisor_len) <= 0) {
d++;
for (i = divisor_len - 1; i >= 0; i--) {
remainder[i + 1] = remainder[i];
}
remainder_len++;
remainder[0] = 0;
for (i = 0; i < divisor_len; i++) {
remainder[i] += divisor[i];
if (remainder[i] > 9) {
remainder[i] -= 10;
remainder[i + 1]++;
}
}
}
quotient[shift] = d - 1;
for (i = 0; i < divisor_len; i++) {
remainder[i] -= divisor[i];
if (remainder[i] < 0) {
remainder[i] += 10;
remainder[i + 1]--;
}
}
while (remainder_len > 0 && remainder[remainder_len - 1] == 0) {
remainder_len--;
}
shift--;
}
}
int main() {
char dividend_str[MAX_DIGITS];
char divisor_str[MAX_DIGITS];
printf("Enter dividend: ");
scanf("%s", dividend_str);
printf("Enter divisor: ");
scanf("%s", divisor_str);
divide(dividend_str, divisor_str, quotient, remainder);
printf("Quotient: ");
int i = MAX_DIGITS - 1;
while (i > 0 && quotient[i] == 0) {
i--;
}
for (; i >= 0; i--) {
printf("%d", quotient[i]);
}
printf("\n");
printf("Remainder: ");
i = MAX_DIGITS - 1;
while (i > 0 && remainder[i] == 0) {
i--;
}
for (; i >= 0; i--) {
printf("%d", remainder[i]);
}
printf("\n");
return 0;
}
```
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