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1 files changed, 64 insertions, 0 deletions

diff --git a/tests/sysy_lvX/079_serpentine_filling.sy b/tests/sysy_lvX/079_serpentine_filling.sy
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+//sample function of Serpentine filling
+int t = 1;
+int a[15][15];
+
+int main() {
+	int n, i, j;
+	n = 4;
+	i = 1;
+    j = 1;//初始位置
+	while (t <= n * n) {//没有遍历完继续
+		while (1) {//向右上走
+			if (i<1 || j>n) {//不出界
+                i = i + 1;
+                j = j - 1;
+                break;
+			}
+			else {
+				a[i][j] = t;
+                t = t + 1;
+                i = i - 1;
+                j = j + 1;
+			}
+		}
+		if (j == n) {
+            i = i + 1;
+        }
+		else{
+            if (i == 1){
+                j = j + 1;
+            }
+        }
+		while (1) {//向左下走
+			if (i > n || j < 1) {//不出界
+				j = j + 1;
+                i = i - 1;
+                break;
+			}
+			else {
+				a[i][j] = t;
+                t = t + 1;
+                i = i + 1;
+                j = j - 1;
+			}
+		}
+		if (i == n){
+            j = j + 1;
+        }
+		else{
+            if (j == 1){
+                i = i + 1;
+            }
+        }
+	}
+    i = 1;
+    while(i <= n){
+        j = 1;
+        while(j <= n){
+            putint(a[i][j]);
+            j = j + 1;
+        }
+        i  = i + 1;
+    }
+    return 0;
+}
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