27 lines
527 B
C++
27 lines
527 B
C++
// This solution needs the GNU MP Bignum library
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// g++ euler16.cpp -o euler16 -lgmpxx -lgmp
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#include <gmpxx.h>
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#include <cmath>
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#include <vector>
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#include <iostream>
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int main(void) {
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mpz_class power = 1;
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mpz_class modulo = 0;
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mpz_class tens = 10;
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mpz_class digitsum = 0;
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for (int i = 1; i <= 1000; ++i) {
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power *= 2;
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}
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while (power != 0) {
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digitsum = digitsum + power % tens;
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power = power / 10;
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}
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std::cout << digitsum << std::endl;
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return EXIT_SUCCESS;
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}
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