From 3c4db645d0188968f4dbe0317d63c7d638f47d03 Mon Sep 17 00:00:00 2001
From: leiyu3 <s444814187@gmail.com>
Date: Tue, 20 Sep 2022 15:14:27 -0400
Subject: init

---
 main.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 main.c

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..227d1e6
--- /dev/null
+++ b/main.c
@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+
+typedef struct {
+    int *arr;
+    int max_size;
+    int cur_size;
+} vector_t;
+
+vector_t vector_init(int size){
+    vector_t vec;
+    vec.max_size = size;
+    vec.arr = malloc(sizeof(int)*vec.max_size);
+    vec.cur_size = 0;
+    return vec;
+}
+
+int size(vector_t vec){
+    return vec.cur_size;
+}
+
+int capacity(vector_t vec){
+    return vec.max_size;
+}
+
+int is_empty(vector_t vec){
+    if (vec.cur_size == 0){
+        return 1;
+    }
+    return 0;
+}
+
+int at(vector_t vec, int index){
+    if (index >= vec.max_size){
+        printf("Index out of bound!!\n");
+        exit(1);
+    }
+
+    return vec.arr[index];
+}
+
+void push(vector_t *vec, int value){
+    if (value >= vec->max_size){
+        printf("Array out of Size!! Not yet implemented resize!!\n");
+        exit(1);
+    }
+    
+    vec->arr[vec->cur_size] = value;
+    vec->cur_size++;
+}
+
+void insert(vector_t *vec, int index, int item){
+
+}
+
+int main(void){
+    vector_t vec = vector_init(16);
+
+    printf("The size of the vector is %d.\n", size(vec));
+    printf("The capacity of the vector is %d.\n", capacity(vec));
+    printf("is_empty returns: %d.\n", is_empty(vec));
+
+    push(&vec, 10);
+    printf("-----\n");
+
+    printf("The size of the vector is %d.\n", size(vec));
+    printf("The first element of the vector is %d.\n", at(vec, 0));
+    printf("is_empty returns: %d.\n", is_empty(vec));
+
+
+    return 0;
+}
-- 
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