我的任务是创建一个C程序，它将读取.txt文件，将其转换为2D数组，并测试它是否是魔方（意味着所有列，行和对角线加起来为{ {1}}，其中n是行，列或对角线中的整数.txt文件包含3个4x4正方形，3组16个，最后一个数字为零。所以神奇的总和是34.我得到了要添加的行，但我似乎无法弄清楚列或对角线。另外，我觉得我的代码现在的方式，它只会读取一次文件，并且无法读取其他两个4x4套。这是我的代码（对不起，现在它非常草率。我已经和它摔跤了一段时间，所以它有点乱）
[n(n^2 + 1)] / 2)谢谢，非常感谢任何帮助
以下是int main (){
int array1[4][4], array2[4][4], array3[4][4], number=1, row, col, diag;//I messed with adding new arrays to send to functions, but it doesn't really do anything
FILE *file1;
file1 = fopen ("testdata.txt", "r");
if(file1!=NULL){
printf(" Square Perfect?\n----------------------------\n");
row=testRows(file1, array1, number);
col=testCols(file1, array3, number);
number++;
}
else
printf("File could not be read.\n");
return 0;
}
int testRows (FILE *file1, int array1[4][4], int number){
int i, j=0, r=0, q, tru=9000, array2[4][4], input;
if (file1!=NULL){
for(q=0; q<4; q++){
j=0;
r=0;
for (i=0; i<4; i++){
fscanf(file1, "%d", &array1[i][j]);
r=r+array1[i][j];//sum of rows
}
j++;
if (r!=34){
tru=0;
break;
}
if (r==34){
tru=1;
}
}
}
return tru;
}
int testCols(FILE *file1, int array1[4][4], int num){ //this is the problematic function
int i, j=0, r=0, q, tru=9000, array2[4][4], input;
if(num==1){//ignore this
file1 = fopen("testdata.txt", "r");//Before I added this, this function would read the next 16 numbers in the file and read their rows, when I need them to read the first 16 and their columns. I feel like this will really hurt when I need the function to read further into the file. Any suggestions?
}
if (file1!=NULL){
for(j=0; j<4; j++){ r=0;
for(i=0; i<4; i++){
fscanf(file1, "%d", &array1[i][j]);
printf("%d ", array1[i][j]);
r+=array1[i][j];// sum
printf(" ~%d~ ", r); //this is so I can see what the sum currently is. For some reason, it will only add up rows and not columns.
}
printf("\n");
}
//^^^^^ I have moved i's and j's around all over the place, but no matter what, it will print and add the sum of each row.
}
// return tru; variable tru is to return to main whether or not the square is magic; have not gotten that far yet.
}
/*int testDiag(){
}
*/
：
testdata.txtUPDATE！ 我重新编写整个程序，现在完美运行。看看：
1 15 14 4 10 11 8 5 7 6 9 12 16 2 3 13
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 3 4 5 6 7 12 8 9 15 7 9 4 3 12 13
0