Submission #3230516

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Source Code Expand

#include <iostream>
#include <vector>
#include <queue>
#include <cmath>
#include <bitset>
#include <algorithm>
#include <set>
#include <string>

#define rep(i, N) for(int (i) = 0; (i) < (N); (i) ++)
typedef long long ll;

using namespace std;

int main(){
    int A, B, C;
    ll K;
    cin >> A >> B >> C >> K;
    int ans = (A - B);
    if(K % 2){
        ans *= -1;
    }

    cout << ans << endl;
    return 0;
}

Submission Info

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