Exam/wps.cpp

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
using namespace std;
char num_buffer[7];
typedef struct {
	double value;
	int pos;
}Struct;
int get_check_code(char* buffer)
{
	memset((void*)num_buffer, 0, sizeof(char) * 7);
	memcpy((void*)num_buffer, buffer, sizeof(char) * 7);
	for (int i = 0; i < 7; i++) {
		num_buffer[i] -= '0';
	}
	int sum = 3 * (num_buffer[0] + num_buffer[2] + num_buffer[4] + num_buffer[6]) + num_buffer[1] + num_buffer[3] + num_buffer[5];
	int tmp = sum % 10;
	return 10 - tmp==10?0:10-tmp;
}
int main()
{

	int num = 0;
	char buffer[10];
	FILE* fp = fopen("wps.txt", "w");
	while (num <=9999999)
	{
		
		if (num % 100000 == 0) {
			int rate = num / 100000;
			printf("%d%%\n", rate);
		}
		memset((void*)buffer, 0, sizeof(char) * 10);
		sprintf(buffer, "%07d", num);
		buffer[7]=get_check_code(buffer)+'0';
		fprintf(fp, "%s\n", buffer);
		num++;
	}
	printf("100%%\n");
	fflush(fp);
	fclose(fp);
}