【发布时间】:2019-11-01 22:29:27
【问题描述】:
我有一个组合文本文件,不重复从 1 到 10 的 6 个数字,如下所示:
2 3 8 9 6 4
8 3 1 4 7 9
1 3 5 7 6 9
1 5 7 9 8 4
1 3 5 4 8 7
2 4 6 8 7 1
6 7 8 3 5 9
3 1 6 2 7 9
1 7 4 2 5 8
3 4 9 2 1 7
...
我有一个黄金组合,比如说:2、1、3、9、8、5
我想检查我的文本文件中有多少次与黄金组合的 5 个数字相匹配。这是我的代码尝试:
// Including C Standard Libraries
#include <stdint.h>
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
// Gold Combination
int n1 = 2;
int n2 = 1;
int n3 = 3;
int n4 = 9;
int n5 = 8;
int n6 = 5;
// Numbers of Matching Combinations
int match_comb = 0;
// Creating a file to see combinations content
char ch, file_name[25];
FILE *fp;
fp = fopen("combinations.txt", "r"); // Read Mode
if (fp == NULL)
{
perror("Error while opening the file.\n");
exit(EXIT_FAILURE);
}
int j = 0;
int mn = 0; // Number of matched numbers
int x[6] = {0,0,0,0,0,0};
char c;
while((c = fgetc(fp)) != EOF)
{
if(c == ' ' || c == '\n')
{
}
else
{
x[j] = c;
if (j == 5)
{
if(x[0]==n1 || x[0]==n2 || x[0]==n3 || x[0]==n5 || x[0]==n6){
mn += 1;
}if(x[1]==n1 || x[1]==n2 || x[1]==n3 || x[1]==n5 || x[1]==n6){
mn += 1;
}if(x[2]==n1 || x[2]==n2 || x[2]==n3 || x[2]==n5 || x[2]==n6){
mn += 1;
}if(x[3]==n1 || x[3]==n2 || x[3]==n3 || x[3]==n5 || x[3]==n6){
mn += 1;
}if(x[4]==n1 || x[4]==n2 || x[4]==n3 || x[4]==n5 || x[4]==n6){
mn += 1;
}if(x[5]==n1 || x[5]==n2 || x[5]==n3 || x[5]==n5 || x[5]==n6){
mn += 1;
}
if ( mn == 5)
{
match_comb += 1; // Adding One the the Match Combinantions counter
}
for (int i = 0; i < 6; ++i) // Resetting x array
{
x[i] = 0;
}
mn = 0; // Resetting
j = -1; // Resetting j
}
j += 1;
}
}
printf("Number of Matching Combinations:");
printf("%d", match_comb);
printf("\n");
fclose(fp);
return 0;
}
但是,我认为代码不起作用,因为它总是说有 0 个匹配的组合.. 有没有办法简化或使我的代码工作?
另外,这仅适用于具有一位数字的数字,但在我有更大范围的情况下,比如 1-20,我不太确定如何从文本文件中收集数字。我是考虑在每个空格后面都有一个计数器的情况下,如果计数器是一,则将字符作为一位数,如果计数器是二,则收集两个字符并做一些事情告诉代码收集两个字符并使用结果数字,但我不知道该怎么做..
编辑:
int main()
{
// Gold Combination
int n1 = 20;
int n2 = 1;
int n3 = 35;
int n4 = 9;
int n5 = 18;
int n6 = 5;
// Numbers of Matching Combinations
int match_comb = 0;
// Creating a file to see combinations content
char ch, file_name[25];
FILE *fp;
fp = fopen("combinations.txt", "r"); // Read Mode
if (fp == NULL)
{
perror("Error while opening the file.\n");
exit(EXIT_FAILURE);
}
int j = 0;
int mn = 0; // Number of matched numbers
int x[6] = {0,0,0,0,0,0};
int c;
while((c = fgetc(fp)) != EOF)
{
//x[j] = fscanf(fp, "%d", &c);
fscanf(fp, "%d %d %d %d %d %d", &x[0], &x[1], &x[2], &x[3], &x[4], &x[5]);
printf("%d", x[0]);
printf(" ");
printf("%d", x[1]);
printf(" ");
printf("%d", x[2]);
printf(" ");
printf("%d", x[3]);
printf(" ");
printf("%d", x[4]);
printf(" ");
printf("%d", x[5]);
if(x[0]==n1 || x[0]==n2 || x[0]==n3 || x[0]==n5 || x[0]==n6){
mn += 1;
}if(x[1]==n1 || x[1]==n2 || x[1]==n3 || x[1]==n5 || x[1]==n6){
mn += 1;
}if(x[2]==n1 || x[2]==n2 || x[2]==n3 || x[2]==n5 || x[2]==n6){
mn += 1;
}if(x[3]==n1 || x[3]==n2 || x[3]==n3 || x[3]==n5 || x[3]==n6){
mn += 1;
}if(x[4]==n1 || x[4]==n2 || x[4]==n3 || x[4]==n5 || x[4]==n6){
mn += 1;
}if(x[5]==n1 || x[5]==n2 || x[5]==n3 || x[5]==n5 || x[5]==n6){
mn += 1;
}
if ( mn == 5)
{
match_comb += 1; // Adding One the the Match Combinantions counter
}
for (int i = 0; i < 6; ++i) // Resetting x array
{
x[i] = 0;
}
mn = 0; // Resetting
printf("\n");
}
printf("Number of Matching Combinations:");
printf("%d", match_comb);
printf("\n");
fclose(fp);
return 0;
}
【问题讨论】:
-
在传递给
perror的字符串中包含“\n”是不寻常的。包含错误消息中使用的路径非常有用。 IOW,使用perror("combinations.txt") -
如果您的输入是文本并且文件的第一个字符是
2,那么您不应该期望它匹配整数2。您需要将文本输入转换为整数。
标签: c file combinations