From 879aa70f5eea08762256fc69e91a66b19cec5585 Mon Sep 17 00:00:00 2001
From: "George K. Thiruvathukal" <gkt@cs.luc.edu>
Date: Sat, 2 Dec 2023 23:06:55 -0600
Subject: [PATCH] add std::vector top 10 MVA

---
 modern-cpp/CMakeLists.txt       |  2 ++
 modern-cpp/vector-top10-mva.cpp | 60 +++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 modern-cpp/vector-top10-mva.cpp

diff --git a/modern-cpp/CMakeLists.txt b/modern-cpp/CMakeLists.txt
index 7000489..d687e21 100644
--- a/modern-cpp/CMakeLists.txt
+++ b/modern-cpp/CMakeLists.txt
@@ -24,6 +24,8 @@ set(MY_APP_NAMES
   lambda-with-return-type
   std-pair
   std-tuple
+  spdlog-mva
+  vector-top10-mva
 )
   
 foreach(APP_NAME IN LISTS MY_APP_NAMES)
diff --git a/modern-cpp/vector-top10-mva.cpp b/modern-cpp/vector-top10-mva.cpp
new file mode 100644
index 0000000..f09ef11
--- /dev/null
+++ b/modern-cpp/vector-top10-mva.cpp
@@ -0,0 +1,60 @@
+#include <iostream>
+#include <vector>
+#include <random>
+#include <fmt/core.h>
+
+int main() {
+    std::random_device rd;
+    std::mt19937 gen(rd());
+    std::uniform_real_distribution<double> dist(0.0, 1.0);
+
+    std::vector<double> v;
+
+    // push_back()
+    for (int i = 0; i < 10; i++) {
+        v.push_back(dist(gen));
+    }
+
+    // size()
+    fmt::print("size: {}\n", v.size());
+
+    // resize()
+    v.resize(5, 0.0);
+    fmt::print("size after resize: {}\n", v.size());
+
+    // reserve()
+    v.reserve(20);
+    fmt::print("capacity after reserve: {}\n", v.capacity());
+
+    // clear()
+    v.clear();
+    fmt::print("size after clear: {}\n", v.size());
+
+    // empty()
+    fmt::print("vector is {}\n", v.empty() ? "empty" : "not empty");
+
+    // pop_back()
+    for (int i = 0; i < 10; i++) {
+        v.push_back(dist(gen));
+    }
+    v.pop_back();
+
+    // at()
+    fmt::print("first element: {}\n", v.at(0));
+    fmt::print("last element: {}\n", v.at(v.size()-1));
+
+    // operator[]
+    v[0] = dist(gen);
+    v[1] = dist(gen);
+    v[2] = dist(gen);
+    fmt::print("first element: {}\n", v[0]);
+    fmt::print("last element: {}\n", v[v.size()-1]);
+
+    // iterators
+    for (auto it = v.begin(); it != v.end(); it++) {
+        fmt::print("{} ", *it);
+    }
+    fmt::print("\n");
+
+    return 0;
+}