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# Exercises
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Here let be listed exercises for the readers of the wiki. You can allow yourself to as many helpers and resources as you find challenging: with each problem you should either find out you know the solution or learn something new while solving it.
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Here there should be a set of exercise problems for those wishing to pursue [LRS](lrs.md) in any way.
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Problems in each category should follow from easiest to most difficult. The listed solutions may not be the only possible solutions, just one of them.
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{ Hmmm, it's hard to figure out exactly what to put here. ~drummyfish }
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## General Knowledge
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## Programming Projects
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1. What is the difference between [free software](free_software.md) and [open source](open_source.md)?
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Here you will find suggestions for programming projects depending on your skill level.
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### Solutions
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### Easy
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1. The [free software](free_software.md) and [open source](open_source.md) movements are technically very similar but extremely different in spirit, i.e. while most free software licenses are also open source and vice versa (with small exceptions such as [CC0](cc0.md)), free software is fundamentally about pursuing user freedom and ethics while open source is a later capitalist fork of free software that removes talk about ethics, aims to exploit free licenses for the benefit of business and is therefore unethical.
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- TODO
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## Programming
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### Medium
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1. Write a [C](c.md) program that prints out all [prime numbers](prime.md) under 1000 as well as the total count of these prime numbers.
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- TODO
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-
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### Hard
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### Solutions
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1:
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```
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// Sieve of Eratosthenes algorithm, one possible way to generate prime numbers
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#include <stdio.h>
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#define N 1000
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char primeMap[N];
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int main(void)
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{
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int primeCount = 0;
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for (int i = 0; i < N; ++i)
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primeMap[i] = 1;
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for (int i = 2; i < N; ++i)
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{
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if (primeMap[i])
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{
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primeCount++;
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printf("%d\n",i);
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}
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int j = i;
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while (1) // mark all multiples of i non-primes
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{
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j += i;
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if (j >= N)
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break;
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primeMap[j] = 0; // can't be a prime
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}
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}
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printf("prime count under %d: %d\n",N,primeCount);
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return 0;
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}
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```
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## Math
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### Solutions
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- TODO
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@ -1,9 +1,9 @@
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# USA
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United States of America (USA, US or just "murika") is a [dystopian](dystopia.md) country of fat, stupid fascist people enslaved by [capitalism](capitalism.md), people endlessly obsessed with things such as money, wars, shooting their presidents and shooting up their schools. USA consists of 50 states located in North America, a continent that ancestors of Americans invaded and have stolen from Indians, the natives whom Americans mass murdered.
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United States of America (USA, US or just "murika") is a [dystopian](dystopia.md) country of fat, stupid dumbasses enslaved by [capitalism](capitalism.md), either rightist or [pseudoleftist](pseudoleft.md) [fascists](fascism.md) endlessly obsessed with [money](money.md), [wars](war.md), [fighting](fight_culture.md), shooting their presidents and shooting up their schools. USA consists of 50 states located in North America, a continent that ancestors of Americans invaded and have stolen from Indians, the natives whom Americans mass murdered. Americans are stupid idiots with guns who above all value constant societal conflict and make the world so that all people are dragged into such conflict.
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USA is very similar to [North Korea](north_korea.md): in both countries the people are successfully led to believe their country is the best and have strong propaganda based on [cults of personality](cult_of_personality.md), which to outsiders seem very ridiculous but which is nevertheless very effective: for example North Korea officially proclaims their supreme leader Jong-il was born atop a sacred mountain and a new star came to exist in the sky on the day of his birth, while Americans on the other hand believe their fascist president George Washington was divine and PHYSICALLY UNABLE TO TELL A LIE, which was actually taught at their schools. North Korea is ruled by a single political party, US is ruled by two practically same militant capitalist imperialist parties (democrats and republicans), i.e. de-facto one party as well. Both countries are obsessed with weapons and their military, both are highly and openly [fascist](fascism.md) (nationalist). Both countries are full of extreme [propaganda](propaganda.md), [censorship](censorship.md) and [hero culture](hero_culture.md), people worship dictators such as Kim Jong-un or [Steve Jobs](steve_jobs.md). US is even worse than North Korea because it exports its toxic culture all over the whole world and constantly invades other countries, it is destroying all other cultures and leads the whole world to doom and destruction of all life, while North Korea basically only destroys itself.
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USA is very similar to [North Korea](north_korea.md): in both countries the people are successfully led to believe their country is the best and have strong propaganda based on [cults of personality](cult_of_personality.md), which to outsiders seem very ridiculous but which is nevertheless very effective: for example North Korea officially proclaims their supreme leader Kim Jong-il was born atop a sacred mountain and a new star came to existence on the day of his birth, while Americans on the other hand believe one of their retarded leaders named George Washington was a divine god who was PHYSICALLY UNABLE TO TELL A LIE, which was actually taught at their schools. North Korea is ruled by a single political party, US is ruled by two practically same militant capitalist imperialist parties (democrats and republicans), i.e. de-facto one party as well. Both countries are obsessed with weapons (especially nuclear ones) and their military, both are highly and openly [fascist](fascism.md) (nationalist). Both countries are full of extreme [propaganda](propaganda.md), [censorship](censorship.md) and [hero culture](hero_culture.md), people worship dictators such as Kim Jong-un or [Steve Jobs](steve_jobs.md). US is even worse than North Korea because it exports its toxic [culture](culture.md) all over the whole world and constantly invades other countries, it is destroying all other cultures and leads the whole world to doom and destruction of all life, while North Korea basically only destroys itself.
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In US mainstream [politics](politics.md) there exists no true left, only [right](left_right.md) and [pseudoleft](pseudoleft.md). It is only in extreme underground, out of the sight of most people, where occasionally something good comes into existence as an exception to a general rule that nothing good comes from the US. One of these exceptions is [free software](free_software.md) (established by [Richard Stallman](rms.md)) which was however quickly smothered by the capitalist [open source](open_source.md) counter movement.
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On 6th and 9th August 1945 **USA casually killed about 200000 civilians**, most of whom were innocent men, women and children, by throwing atomic bombs on Japanese cities Hiroshima and Nagasaki. The men who threw the bombs and ordered the bombing were never put on trial, actually most Americans praise them as [heroes](hero_culture.md) and think it was a good thing to do.
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On 6th and 9th August 1945 **USA murdered about 200000 civilians**, most of whom were innocent men, women and children, by throwing atomic bombs on Japanese cities Hiroshima and Nagasaki. The men who threw the bombs and ordered the bombing were never put on trial, actually most Americans praise them as [heroes](hero_culture.md) and think it was a good thing to do.
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