23 lines
1.4 KiB
C
23 lines
1.4 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
char* thousandDigitNumber = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450";
|
|
long largestProduct = 0;
|
|
|
|
for (int i = 0; i < 988; i++)
|
|
{
|
|
long product = 1;
|
|
for (int j = i; j < i+13; j++) {
|
|
product *= (thousandDigitNumber[j]-'0');
|
|
}
|
|
if (product > largestProduct)
|
|
largestProduct = product;
|
|
}
|
|
|
|
printf("The value of the largest product of thirteen adjacent digits in the thousand digit number is: %ld\n", largestProduct);
|
|
}
|