17 lines
283 B
C++
17 lines
283 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int n, res;
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int main() {
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cin >> n;
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for (int i = 1; i <= n; i++) {
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int x;
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cin >> x;
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if (i % 2) res ^= x;
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}
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if (res)
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puts("Yes");
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else
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puts("No");
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return 0;
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} |