Exponentiation II

input/code.cpp: In function 'long double modular(long double, int)':
input/code.cpp:11:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < sizeof(int) * 8; i++) {
              ~~^~~~~~~~~~~~~~~~~

#include<iostream>
#include<cmath>

using namespace std;

long double modular(long double base, int exp)
{
	int x = 1;
	int i;

	for (i = 0; i < sizeof(int) * 8; i++) {
		int least_sig_bit = 0x00000001 & ( (exp) >> i);
		if (least_sig_bit)
			x = (x * base);
		base = (base * base);
	}

	return (x);
}
int main()
{
	long double n, a, b, c;

	cin >> n;

	for (int i = 0; i < n; i++)
	{
		cin >> a >> b >> c;
		cout << int(modular(a, (modular(b, c)))) % int(pow(10, 9) + 7) << endl;
	}
	
	
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: TIME LIMIT EXCEEDED

Test 8

Verdict: TIME LIMIT EXCEEDED

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED

Test 11

Verdict: TIME LIMIT EXCEEDED

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: UNKNOWN