replace reserve with resize in vector

README.md

@@ -30,7 +30,7 @@ MIDAS expects the input edge stream to be stored in a single file containing the
 2. `destination (int)`: destination ID of the edge
 3. `time (int)`: time stamp of the edge
 
-Thus, each line represents an edge. Edges should be sorted in non-decreasing order of their time stamps and the column delimiter should be ,
+Thus, each line represents an edge. Edges should be sorted in non-decreasing order of their time stamps and the column delimiter should be `,`
 
 
 ## Datasets

edgehash.cpp

@@ -9,8 +9,8 @@ Edgehash::Edgehash(int r, int b, int m0)
     num_rows = r;
     num_buckets = b;
     m = m0;
-    hash_a.reserve(r);
-    hash_b.reserve(r);
+    hash_a.resize(num_rows);
+    hash_b.resize(num_rows);
     for (int i = 0; i < r; i++) {
         // a is in [1, p-1]; b is in [0, p-1]
         hash_a[i] = rand() % (num_buckets - 1) + 1;

nodehash.cpp

@@ -8,8 +8,8 @@ Nodehash::Nodehash(int r, int b)
 {
     num_rows = r;
     num_buckets = b;
-    hash_a.reserve(r);
-    hash_b.reserve(r);
+    hash_a.resize(num_rows);
+    hash_b.resize(num_rows);
     for (int i = 0; i < r; i++) {
         // a is in [1, p-1]; b is in [0, p-1]
         hash_a[i] = rand() % (num_buckets - 1) + 1;