Summat

#include <iostream>

using namespace std;

int main()
{
	int n;
	cin >> n;
	int in[1000];
	for (int i = 0; i < n; ++i) {
		cin >> in[i];
	}
	int out[1000];
    	out[1] = (in[0] - in[1] + in[n-1]) / 2; 
	out[0] = in[0] - out[1]; 
	for (int i = 1; i < n - 1; ++i) {
		out[i+1] = in[i] - out[0]; 
	}
	for (int i = 0; i < n - 1; ++i) {
        	cout << out[i] << " "; 
	}
	cout << out[n-1] << endl;
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 5

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 6

Group: 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: WRONG ANSWER

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: WRONG ANSWER

Test 10

Group: 2, 3

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER