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Project Euler 52 // Permuted multiples
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| //https://projecteuler.net/problem=52 | |
| #include <stdio.h> | |
| enum boolean{false,true}; | |
| typedef enum boolean bool; | |
| int main(void) { | |
| int isFound = false ; | |
| int index = 100002; | |
| int two_multiplier; | |
| int three_multiplier; | |
| int four_multiplier; | |
| int five_multiplier; | |
| int six_multiplier; | |
| while(!isFound) | |
| { | |
| two_multiplier = 2*index; | |
| three_multiplier = 3*index; | |
| four_multiplier = 4*index; | |
| five_multiplier = 5*index; | |
| six_multiplier = 6*index; | |
| if(DigitsOfNumber(two_multiplier)==DigitsOfNumber(six_multiplier) && DigitsOfNumber(three_multiplier)==DigitsOfNumber(six_multiplier) && DigitsOfNumber(four_multiplier)==DigitsOfNumber(six_multiplier) && DigitsOfNumber(five_multiplier)==DigitsOfNumber(six_multiplier) && DigitsOfNumber(index)==DigitsOfNumber(six_multiplier)) | |
| { | |
| if(Permuted(two_multiplier,three_multiplier)==true &&Permuted(two_multiplier,four_multiplier)==true&&Permuted(two_multiplier,five_multiplier)==true&&Permuted(two_multiplier,six_multiplier)==true && Permuted(three_multiplier,four_multiplier)==true&&Permuted(three_multiplier,five_multiplier)==true&&Permuted(three_multiplier,six_multiplier)==true) | |
| { | |
| printf("%d ",index); | |
| isFound = true; | |
| } | |
| } | |
| index = index+3; | |
| } | |
| return 1; | |
| } | |
| int DigitsOfNumber(int Number) | |
| { | |
| int index; | |
| int temp; | |
| int sum = 0; | |
| for(index = 0; Number !=0; ++index) | |
| { | |
| temp = Number%10; | |
| Number/=10; | |
| } | |
| return index; | |
| } | |
| int Permuted(int n, int m) | |
| { | |
| int Number[6]; | |
| int Number2[6]; | |
| int i=0; | |
| int j=0; | |
| int Counter = 0; | |
| while(n!=0 && m!=0) | |
| { | |
| Number[i++]=n%10; | |
| n /=10; | |
| Number2[j++]=m%10; | |
| m /=10; | |
| } | |
| for(i=0;i<6;i++) | |
| { | |
| for(j=0;j<6;j++) | |
| { | |
| if(Number[i]==Number2[j]) | |
| { | |
| Counter++; | |
| } | |
| } | |
| } | |
| if(Counter==6) | |
| return true; | |
| else | |
| return false; | |
| } |
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