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#include <iostream>
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using namespace std;
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#include <iostream>
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using namespace std;
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// Maximum number of digits in output
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// Maximum number of digits in output
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// x^n where 1 <= x, n <= 10000 and overflow may happen
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#define MAX 100000
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#define MAX 100000
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// This function multiplies x
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// with the number represented by res[].
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// res_size is size of res[] or
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// number of digits in the number
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// represented by res[]. This function
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// uses simple school mathematics
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// for multiplication.
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// This function may value of res_size
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// and returns the new value of res_size
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int multiply(int x, int res[], int res_size) {
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// This function multiplies x
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// with the number represented by res[].
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// res_size is size of res[] or
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// number of digits in the number
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// represented by res[]. This function
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// uses simple school mathematics
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// for multiplication.
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// This function may value of res_size
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// and returns the new value of res_size
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int multiply(int x, int res[], int res_size) {
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// Initialize carry
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int carry = 0;
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// Initialize carry
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int carry = 0;
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// One by one multiply n with
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// individual digits of res[]
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for (int i = 0; i < res_size; i++) {
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int prod = res[i] * x + carry;
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// One by one multiply n with
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// individual digits of res[]
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for (int i = 0; i < res_size; i++) {
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int prod = res[i] * x + carry;
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// Store last digit of
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// 'prod' in res[]
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res[i] = prod % 10;
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// Store last digit of
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// 'prod' in res[]
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res[i] = prod % 10;
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// Put rest in carry
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carry = prod / 10;
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}
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// Put rest in carry
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carry = prod / 10;
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}
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// Put carry in res and
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// increase result size
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while (carry) {
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res[res_size] = carry % 10;
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carry = carry / 10;
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res_size++;
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}
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return res_size;
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}
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// Put carry in res and
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// increase result size
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while (carry) {
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res[res_size] = carry % 10;
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carry = carry / 10;
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res_size++;
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}
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return res_size;
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}
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// This function finds
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// power of a number x
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void power(int x, int n)
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{
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// This function finds
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// power of a number x
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void power(int x, int n)
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{
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//printing value "1" for power = 0
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if(n == 0 ){
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cout<<"1";
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return;
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}
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//printing value "1" for power = 0
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if(n == 0 ){
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cout<<"1";
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return;
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}
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int res[MAX];
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int res_size = 0;
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int temp = x;
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int res[MAX];
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int res_size = 0;
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int temp = x;
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// Initialize result
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while (temp != 0) {
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res[res_size++] = temp % 10;
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temp = temp / 10;
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}
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// Initialize result
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while (temp != 0) {
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res[res_size++] = temp % 10;
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temp = temp / 10;
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}
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// Multiply x n times
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// (x^n = x*x*x....n times)
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for (int i = 2; i <= n; i++)
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res_size = multiply(x, res, res_size);
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// Multiply x n times
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// (x^n = x*x*x....n times)
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for (int i = 2; i <= n; i++)
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res_size = multiply(x, res, res_size);
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cout << x << "^" << n << " = ";
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for (int i = res_size - 1; i >= 0; i--)
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cout << res[i];
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}
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cout << x << "^" << n << " = ";
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for (int i = res_size - 1; i >= 0; i--)
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cout << res[i];
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}
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// Driver program
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int main() {
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int exponent, base;
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printf("Enter base ");
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scanf("%id \n", &base);
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printf("Enter exponent ");
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scanf("%id", &exponent);
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power(base, exponent);
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return 0;
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}
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// Driver program
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int main() {
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int exponent, base;
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printf("Enter base ");
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scanf("%id \n", &base);
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printf("Enter exponent ");
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scanf("%id", &exponent);
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power(base, exponent);
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return 0;
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}
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