Guess the number.

main.cpp

@@ -1,4 +1,6 @@
 #include <iostream>
+#include <random>
+#include <chrono>
 
 using string = std::string;
 void ignoreTillLineEnd();
@@ -7,15 +9,19 @@ int promptfi(string);
 
 int main()
 {
-    int nameC {promptfi("Enter the number of names:")};
-    if (nameC < 1) {
-        std::cout << "No names to be entered!\n";
-        return 1;
+    std::mt19937 rand {std::random_device{}()};
+    std::uniform_int_distribution clamp {1, 10};
+    string name {promptfs("Enter your name:")};
+    std::cout << "Hello " << name << ", welcome to guess the number.\n";
+    bool once {};
+    int num {clamp(rand)}, ent {};
+    do {
+        if (once) std::cout << "You Guessed Wrong!\n";
+        ent = promptfi("Enter your guess:");
+        once = true;
     }
-    string* names = new string[nameC];
-    for (int i = 0; i < nameC; i++) names[i] = promptfs("Enter your name:");
-    std::cout << "I have " << nameC << " to say hello to!\n";
-    for (int i = 0; i < nameC; i++) std::cout << "Hello " << names[i] << ".\n";
+    while (num != ent);
+    std::cout << "Well done " << name << ", you guessed correctly!\n";
     return 0;
 }
 
@@ -24,7 +30,7 @@ void ignoreTillLineEnd() {
 }
 
 string promptfs(string msg) {
-    bool once {false};
+    bool once {};
     string toret {};
     do {
         if (once) {
@@ -42,7 +48,7 @@ string promptfs(string msg) {
 }
 
 int promptfi(string msg) {
-    bool once {false};
+    bool once {};
     int toret {};
     do {
         if (once) {