# Math Problems

#### Running Average

Given N numbers, read each one, calculate the running average and print it. For example, given the t...

#### N-th Prime

In this problem, you will have to print the n-th prime number. The first few prime numbers are given...

• • Moderate
• 560/856 Solutions
• 2781 Submissions

#### Squared

Given the length of a side of a square, calculate and print its area.

#### Making Friends

Byang is going to join a new school. His new class has N students. Each of the students are identifi...

#### Pie Are Squared

Given the radius of a circle, calculate and print its area. The area of a circle can be computed usi...

#### Missing Number

Given the sum of four numbers and three of those numbers, find the missing number. All four numbers ...

#### Leap Years

In the Gregorian calendar, certain years have 366 days instead of 365. In such years, the month of F...

#### Mixed Fractions

Given an improper fraction (as the numerator N and the denominator D), determine and print it in mix...

#### Exponential Growth

You will be given two integers X and N, you have to calculate XN modulo 1000000007.

• • Moderate
• 183/327 Solutions
• 1040 Submissions

#### Running Average Again

Given N numbers, read each one, calculate the running average and print it. For example, given the t...

#### Proper Leap Years

Byang’s friend was asked to author a programming problem where the challenge was to identify if the ...

#### Laali Vs Bessie

One day Raju discovered USACO and from that day he would spend all his time solving problems. Laali ...

#### Clock Math

Given a time (hours as H and minutes as M), determine the smaller angle between the two hands of a c...

#### Pascal's Triangle

Given an integer N, print the sum of the Nth row of the Pascal’s triangle. In mathematics, Pascal’s ...

#### Divisors

Read an integer variable and print all of its divisors (including 1 and the number itself).

#### Geometry Forever

Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk...

#### Thought Game

Sadia is one of the nicest persons you will ever meet. In fact, she is one of those persons who like...

#### I Did Not Do the Assignment

Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants...

#### Fair Distribution

Mr. Forhad has X children. One day, on his way home, he bought Y chocolates for his children. He doe...

• By emoncse
• Math
• Moderate
• 1069/1113 Solutions
• 1669 Submissions

#### Count the Odds

Sometimes, contestants tend to look for patterns in problem descriptions. They try to figure out the... 