Created
October 10, 2015 12:50
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A FizzBuzz program. Somehow. I don't know why it works.
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| #include <stdio.h> | |
| #include <string.h> | |
| #include <stdlib.h> | |
| #include <gmp.h> | |
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| char ** exploade (char* explodeString, char delimiter){ | |
| int count = 1; | |
| int prevcount = 1; | |
| int position[1024] = {0}; | |
| position[0]=-1; | |
| int i = 0; | |
| for(i = 0; explodeString[i]!=0; ++i){ | |
| count += (explodeString[i]==delimiter); | |
| position[prevcount]=i; | |
| prevcount = count; | |
| } | |
| position[count]=i; | |
| char ** result = malloc(sizeof(char*)*(count+1)); | |
| result[count]=NULL; | |
| for(int i = 0; i < count; ++i){ | |
| result[i] = malloc((position[i+1]-position[i])*sizeof(char)); | |
| memcpy(result[i], explodeString+position[i]+1,position[i+1]-position[i]-1); | |
| result[i][position[i+1]-position[i]-1] = 0; | |
| } | |
| return result; | |
| } | |
| /* I did a typo */ | |
| #define explode exploade | |
| /* | |
| * I am a C programmer. I have a deep and abiding understanding of | |
| * NULL-terminated lists and quintuple indirection. | |
| */ | |
| char ***** parse (char * string) { | |
| char ** adds = explode(polynomial, '+'); | |
| int length[3]; | |
| for(length[0] = 0; adds[length[0]] != NULL; ++length[0]); | |
| char *** addAndSubs = malloc(length[0]*sizeof(char**)); | |
| char **** addAndSubsAndMultiplies = malloc(length[0]*sizeof(char***)); | |
| char ***** addAndAllOthers = malloc(length[0]*sizeof(char****)); | |
| for(int i = 0; adds[i] != NULL; ++i){ | |
| addAndSubs[i] = explode(adds[i], '-'); | |
| for(length[1] = 0; addAndSubs[i][length[1]] != NULL; ++length[1]); | |
| addAndSubsAndMultiplies[i] = malloc(length[1]*sizeof(char**)); | |
| addAndAllOthers[i] = malloc(length[1]*sizeof(char***)); | |
| for(int j = 0; addAndSubs[i][j] != NULL; ++j){ | |
| addAndSubsAndMultiplies[i][j] = explode(addAndSubs[i][j], '*'); | |
| for(length[2] = 0; addAndSubsAndMultiplies[i][j][length[2]] != NULL;++length[2]); | |
| addAndAllOthers[i][j] = malloc(length[2]*sizeof(char**)); | |
| for(int k = 0; addAndSubsAndMultiplies[i][j][k] != NULL; ++k){ | |
| char chars[2] = {'/', '^'}; | |
| addAndAllOthers[i][j][k] = explode(addAndSubsAndMultiplies[i][j][k], chars[k]); | |
| } | |
| addAndAllOthers[i][j][length[2]] = NULL; | |
| } | |
| addAndSubsAndMultiplies[i][length[1]] = NULL; | |
| addAndAllOthers[i][length[1]] = NULL; | |
| } | |
| addAndSubs[length[0]] = NULL; | |
| addAndSubsAndMultiplies[length[0]] = NULL; | |
| addAndAllOthers[length[0]] = NULL; | |
| return addAndAllOthers; | |
| } | |
| unsigned long long calculatePolynomial(char***** polynom, long int x){ | |
| mpq_t finalSolution; | |
| mpq_init(finalSolution); | |
| for(int II = 0; polynom[II] != NULL; ++II){ | |
| for(int Il = 0; polynom[II][Il] != NULL; ++Il){ | |
| mpq_t coeff, temp, expon; | |
| mpq_init(coeff); | |
| mpq_init(expon); | |
| mpq_init(temp); | |
| mpq_set_str(expon, "1", 25); | |
| for(int lI = 0; polynom[II][Il][lI] != NULL; ++lI){ | |
| char buf[1024] = {0}; | |
| char slash[2] = "/"; | |
| for(int ll = 0; polynom[II][Il][lI][ll] != NULL && polynom[II][Il][lI][ll][0] != 0; ++ll){ | |
| if(lI == 0){ | |
| if(ll == 0) | |
| strcpy(buf,polynom[II][Il][lI][ll]); | |
| if(ll == 1){ | |
| strcat(buf, slash); | |
| strcat(buf, polynom[II][Il][lI][ll]); | |
| } | |
| } | |
| if(lI == 1){ | |
| unsigned long int n = polynom[II][Il][lI][ll][0] == 'x' ? x : strtol(polynom[II][Il][lI][ll], NULL, 10); | |
| if(ll == 0){ | |
| mpz_set_ui(mpq_numref(expon),n); | |
| } | |
| else { | |
| mpz_pow_ui(mpq_numref(expon),mpq_numref(expon),n); | |
| } | |
| } | |
| } | |
| if(lI == 0) mpq_set_str(coeff, buf, 10); | |
| } | |
| mpq_mul(temp,coeff,expon); | |
| mpq_canonicalize(temp); | |
| if(Il == 0){ | |
| mpq_add(finalSolution,finalSolution,temp); | |
| }else{ | |
| mpq_sub(finalSolution,finalSolution,temp); | |
| } | |
| mpq_clear(expon); | |
| mpq_clear(coeff); | |
| mpq_clear(temp); | |
| } | |
| } | |
| char someString[128]; | |
| mpq_get_str(someString, 10, finalSolution); | |
| mpq_clear(finalSolution); | |
| unsigned long long returnValue = strtoll(someString, NULL, 10); | |
| return returnValue; | |
| } | |
| int main (int argc, char** argv) { | |
| char ***** parsedPolynomial = parse(polynomial); | |
| unsigned long long wtf[2] = {0}; | |
| for(int i = 1; i <= 100; ++i){ | |
| wtf[0] = calculatePolynomial(parsedPolynomial, i); | |
| printf("%s\n",wtf); | |
| } | |
| return 0; | |
| } |
Do you do autographs?
This makes me weep with joy
What the fuck am I looking at?
this is terrifying and cursed but part of me very deeply wishes to understand how the hell this works
Similar thing happened to me in D when I coded sleep deprived. I had to rewrite the whole thing in order to optimize it.
LMK if you sell prints of this 😱
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As a C programmer, MY EYES!!!!