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cpp rand

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Clever Cowfish answered on January 17, 2021 Popularity 10/10 Helpfulness 6/10

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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

Popularity 10/10 Helpfulness 6/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 17 2021

Clever Cowfish

0 Answers Avg Quality 2/10

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c++ rand

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#include <ctime>

int main() {
 srand((unsigned) time(0)); 
 int result = 1 + (rand() % 6); // return a number between 1 and 6
}

Popularity 9/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Mar 25 2022

Maou Shimazu

0 Answers Avg Quality 2/10

rand c++

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#include <iostream>
#include <time.h>

using namespace std;

int main()
{
   srand(time(0));             
   cout<<rand()%100<<endl;            //choose random numbers from 0 to 99
   
   //create random integer value in range a to a+b  (a+rand()b;)
   cout <<1+ rand() % 9 <<endl;   //random numbers between 1 and 10
   cout << 25+rand() % 25 <<endl;   //random numbers between 25 and 50

}

Popularity 8/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jun 22 2022

S.Y

0 Answers Avg Quality 2/10

rand() c++

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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

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 24 2021

Apalov

0 Answers Avg Quality 2/10

rand() c++

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/* rand example */
#include <stdio.h>      /* printf, scanf, puts, NULL */
#include <stdlib.h>     /* srand, rand */
#include <time.h>       /* time */
/* initialize random seed: */
srand (time(NULL));
/* generate  number between 1 and 10: */
random_number = rand() % 10 + 1;

Popularity 8/10 Helpfulness 4/10 Language cpp

Source: www.cplusplus.com

Tags: c++

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Contributed on May 31 2022

Colorful Copperhead

0 Answers Avg Quality 2/10

c++ rand

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#include<iostream>
#include<stdlib.h>
#include <time.h>

using namespace std;

int main(){
srand((unsigned)time(NULL));
srand((unsigned)rand());
int n,sum=0;
cin >> n;
int f[n];
for(int i=0; i<n; i++){
f[i]= rand()%30;
if (f[i]%2==0)
sum+=f[i];
}
cout << sum;
}

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: www.cyberforum.ru

Tags: c++

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Contributed on Jun 03 2022

lodiur

0 Answers Avg Quality 2/10

rand() c++

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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

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Sep 26 2021

Snack Detective

0 Answers Avg Quality 2/10

Cpp random

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#include <cstdlib>
#include <ctime>
#include <iostream>
 
int main() 
{
    std::srand(std::time(nullptr)); // use current time as seed for random generator
    int random_value = std::rand();
    std::cout << "Random value on [0, " << RAND_MAX << "]: " << random_value << "\n"
                 "Roll 6-sided dice 20 times: ";
    for (int n = 0; n != 20; ++n)
    {
        int x = 7;
        while (x > 6) 
            x = 1 + std::rand() / ((RAND_MAX + 1u) / 6); // Note: 1 + rand() % 6 is biased
        std::cout << x << ' ';
    }
    std::cout << '\n';
}

Popularity 6/10 Helpfulness 2/10 Language cpp

Source: en.cppreference.com

Tags: c++ random

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Contributed on Dec 13 2023

Suake

0 Answers Avg Quality 2/10

rand function c++

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// C++ program to generate random numbers
#include <cstdlib>
#include <iostream>
#include <time.h>
using namespace std;
  
int main()
{
    // This program will create different sequence of
    // random numbers on every program run
  
    // Use current time as seed for random generator
    srand(time(0));
  
    for (int i = 0; i < 4; i++)
        cout << rand() << " ";
  
    return 0;
}

Popularity 8/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++ function

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Contributed on Oct 24 2022

Sania Kazmi

0 Answers Avg Quality 2/10

c++ rand

Comment

#include <cstdlib>

int main() {
  std::cout << "RAND_MAX value is " << RAND_MAX << std::endl;
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Mar 25 2022

Maou Shimazu

0 Answers Avg Quality 2/10

cpp rand

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