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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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71
Task/Aliquot-sequence-classifications/C/aliquot-sequence-classifications-1.c Normal file
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#include<stdlib.h>
#include<string.h>
#include<stdio.h>
unsigned long long bruteForceProperDivisorSum(unsigned long long n){
unsigned long long i,sum = 0;
for(i=1;i<(n+1)/2;i++)
if(n%i==0 && n!=i)
sum += i;
return sum;
}
void printSeries(unsigned long long* arr,int size,char* type){
int i;
printf("\nInteger : %llu, Type : %s, Series : ",arr[0],type);
for(i=0;i<size-1;i++)
printf("%llu, ",arr[i]);
printf("%llu",arr[i]);
}
void aliquotClassifier(unsigned long long n){
unsigned long long arr[16];
int i,j;
arr[0] = n;
for(i=1;i<16;i++){
arr[i] = bruteForceProperDivisorSum(arr[i-1]);
if(arr[i]==0||arr[i]==n||(arr[i]==arr[i-1] && arr[i]!=n)){
printSeries(arr,i+1,(arr[i]==0)?"Terminating":(arr[i]==n && i==1)?"Perfect":(arr[i]==n && i==2)?"Amicable":(arr[i]==arr[i-1] && arr[i]!=n)?"Aspiring":"Sociable");
return;
}
for(j=1;j<i;j++){
if(arr[j]==arr[i]){
printSeries(arr,i+1,"Cyclic");
return;
}
}
}
printSeries(arr,i+1,"Non-Terminating");
}
void processFile(char* fileName){
FILE* fp = fopen(fileName,"r");
char str[21];
while(fgets(str,21,fp)!=NULL)
aliquotClassifier(strtoull(str,(char**)NULL,10));
fclose(fp);
}
int main(int argC,char* argV[])
{
if(argC!=2)
printf("Usage : %s <positive integer>",argV[0]);
else{
if(strchr(argV[1],'.')!=NULL)
processFile(argV[1]);
else
aliquotClassifier(strtoull(argV[1],(char**)NULL,10));
}
return 0;
}

101
Task/Aliquot-sequence-classifications/C/aliquot-sequence-classifications-2.c Normal file
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#include<string.h>
#include<stdlib.h>
#include<stdio.h>
unsigned long long raiseTo(unsigned long long base, unsigned long long power){
unsigned long long result = 1,i;
for (i=0; i<power;i++) {
result*=base;
}
return result;
}
unsigned long long properDivisorSum(unsigned long long n){
unsigned long long prod = 1;
unsigned long long temp = n,i,count = 0;
while(n%2 == 0){
count++;
n /= 2;
}
if(count!=0)
prod *= (raiseTo(2,count + 1) - 1);
for(i=3;i*i<=n;i+=2){
count = 0;
while(n%i == 0){
count++;
n /= i;
}
if(count==1)
prod *= (i+1);
else if(count > 1)
prod *= ((raiseTo(i,count + 1) - 1)/(i-1));
}
if(n>2)
prod *= (n+1);
return prod - temp;
}
void printSeries(unsigned long long* arr,int size,char* type){
int i;
printf("\nInteger : %llu, Type : %s, Series : ",arr[0],type);
for(i=0;i<size-1;i++)
printf("%llu, ",arr[i]);
printf("%llu",arr[i]);
}
void aliquotClassifier(unsigned long long n){
unsigned long long arr[16];
int i,j;
arr[0] = n;
for(i=1;i<16;i++){
arr[i] = properDivisorSum(arr[i-1]);
if(arr[i]==0||arr[i]==n||(arr[i]==arr[i-1] && arr[i]!=n)){
printSeries(arr,i+1,(arr[i]==0)?"Terminating":(arr[i]==n && i==1)?"Perfect":(arr[i]==n && i==2)?"Amicable":(arr[i]==arr[i-1] && arr[i]!=n)?"Aspiring":"Sociable");
return;
}
for(j=1;j<i;j++){
if(arr[j]==arr[i]){
printSeries(arr,i+1,"Cyclic");
return;
}
}
}
printSeries(arr,i+1,"Non-Terminating");
}
void processFile(char* fileName){
FILE* fp = fopen(fileName,"r");
char str[21];
while(fgets(str,21,fp)!=NULL)
aliquotClassifier(strtoull(str,(char**)NULL,10));
fclose(fp);
}
int main(int argC,char* argV[])
{
if(argC!=2)
printf("Usage : %s <positive integer>",argV[0]);
else{
if(strchr(argV[1],'.')!=NULL)
processFile(argV[1]);
else
aliquotClassifier(strtoull(argV[1],(char**)NULL,10));
}
return 0;
}