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131 | #include <stdio.h>
void SnailArr(int(*ptrArr)[100], int len);
void ShowArr(int(*ptrArr)[100], int len);
int main() {
int num;
int arr[100][100];
scanf_s("%d", &num);
SnailArr(arr, num);
ShowArr(arr, num);
return 0;
}
void SnailArr(int(*ptrArr)[100], int len) {
int i;
int x=0,y=0;
int count = 1;
int round = 0;
while (count < (len * len)) {
for (i = 1; i < (len - round); i++) {
ptrArr[x][y] = count;
y++;
count++;
}
for (i = 1; i < len - round; i++) {
ptrArr[x][y] = count;
x++;
count++;
}
for (i = 1; i < len - round; i++) {
ptrArr[x][y] = count;
y--;
count++;
}
for (i = 1; i < len - round; i++) {
ptrArr[x][y] = count;
x--;
count++;
}
round = round + 2;
x++;
y++;
ptrArr[x][y] = count;
}
}
void ShowArr(int(*ptrArr)[100], int len) {
int i,j;
for (i = 0; i < len; i++) {
for (j = 0; j < len; j++) {
printf("%10d", ptrArr[i][j]);
}
printf("\n");
}
}
|
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