Cpp rand

std::srand
(std::time(nullptr)); 		// set rand
 seed
v1 = std::rand
() % 100;         // v1 in the range 0 to 99
v2 = std::rand
() % 100 + 1;     // v2 in the range 1 to 100
v3 = std::rand
() % 30 + 1985;   // v3 in the range 1985-2014

C++ rand om

#include <cstdlib>
#include <iostream>
#include <ctime>
 
int main() 
{
    std::srand
(std::time(nullptr)); // use current time as seed for rand
om generator
    int rand
om_variable = std::rand
();
    std::cout << "Random value on [0 " << RAND_MAX << "]: " 
              << rand
om_variable << '\n';
}

Source: en.cppreference.com

Rand() c++

v1 = rand
() % 100;         // v1 in the range 0 to 99  --Credit goes to Clever cowfish
v2 = rand
() % 100 + 1;     // v2 in the range 1 to 100
v3 = rand
() % 30 + 1985;   // v3 in the range 1985-2014

Rand() c++

version1 = std::rand
() % 3; // it is in the range from 0 to 2 // 0 1 2
version2 = std::rand
() % 5 + 2; // it is in the range from 2 to 6 // 2 3 4 5 6
version3 = std::rand
() % 3 + 10; // it is in the range from 10 to 12
//first number is how much digits it will go second number is the digit it 
//starts on (including that digit)

//negative
version4 = std::rand
() % 11 - 12; // it is in the range from -2 to -12

Rand in C++

rand

-2

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