Bittijono

#include <iostream> //std::cin, std::cout
#include <math.h> // log2, floor

uint64_t which(uint64_t n){
    uint64_t x = floor(log2(n));
    if( pow(2,x) - n != 0){
    return x;
    }
    return x - 1;
}

void decrease(uint64_t *n){
    uint64_t base = floor(log2(*n));
    uint64_t power = pow(2,base);
    if( power == *n){
        power = power / 2;
    }
    *n = *n - power;
}

bool solve(uint64_t n){
    int t = 0;
    for(; n != 1;t++){
        decrease(&n);
    }
    return t % 2;
}

int main(){
    uint32_t len;
    std::cin >> len;
    uint64_t input[len];
    for(unsigned int x = 0;x < len; x++){
        std::cin >> input[x];
    }
    for(unsigned int x = 0;x < len; x++){
        std::cout << solve(input[x]) << "\n";
    }  
    return 1;    
}

Test 1

Group: 1

Verdict: RUNTIME ERROR

Test 2

Group: 2

Verdict: RUNTIME ERROR

Test 3

Group: 3

Verdict: RUNTIME ERROR