修改文件结构。

2023-02-21 10:56:54 +08:00
parent a64cfdd9f3
commit 40182871f4
83 changed files with 0 additions and 0 deletions
--- a/POP/12/Optional01.c
+++ b/POP/12/Optional01.c
@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#define UPRIGHT true
+#define LEFTDOWN false
+
+bool direction = UPRIGHT;
+
+bool moveNext(int* i, int* j, int n) {
+    if (*i == n-1 && *j == n-1) {
+        return true;
+    }
+    if (direction == UPRIGHT) {
+        if (*i == 0) {
+            direction = LEFTDOWN;
+            if (*j == n-1) {
+                (*i)++;
+            }
+            else {
+                (*j)++;
+            }
+        }
+        else if (*j == n-1) {
+            direction = LEFTDOWN;
+            (*i)++;
+        }
+        else {
+            (*i)--;
+            (*j)++;
+        }
+        return false;
+    }
+    else {
+        if (*j == 0) {
+            direction = UPRIGHT;
+            if (*i == n-1) {
+                (*j)++;
+            }
+            else {
+                (*i)++;
+            }
+        }
+        else if (*i == n-1) {
+            direction = UPRIGHT;
+            (*j)++;
+        }
+        else {
+            (*i)++;
+            (*j)--;
+        }
+        return false;
+    }
+}
+
+int main() {
+    int *matrixPtr = NULL;
+    int n = 0;
+    int i = 0, j = 0;
+
+    scanf("%d", &n);
+    matrixPtr = malloc(n*n);
+
+    for (i = 0; i < n; i++) {
+        for (j = 0; j < n; j++) {
+            scanf("%d", matrixPtr + i*n + j);
+        }
+    }
+
+    i = 0;
+    j = 0;
+    while (true) {
+        printf("%d ", *(matrixPtr + i*n + j));
+        if (moveNext(&i, &j, n)) {
+            break;
+        }
+    }
+    printf("\n");
+    return 0;
+}