C-plus-codes/p115.cpp at main · Rishsach/C-plus-codes

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#include <bits/stdc++.h>

using namespace std;

bool isPairSum(int A[], int N, int X)

{

for (int i = 0; i < N; i++)

{

for (int j = 0; j < N; j++)

{

if (i == j)

continue;

if (A[i] + A[j] == X)

return true;

if (A[i] + A[j] > X)

break;

}

return false;

}

int main()

{

int arr[] = { 3, 5, 9, 2, 8, 10, 11 };

int val = 17;

int arrSize = *(&arr + 1) - arr;

sort(arr, arr + arrSize);

cout << isPairSum(arr, arrSize, val);

return 0;

}

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