回答編集履歴
1
sum += a[i] を sum + a[i] に変更
answer
CHANGED
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@@ -22,7 +22,7 @@
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22
22
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for (int s = 0; s < m; s++) {
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23
23
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int sum = 0;
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24
24
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for (int i = 0; i < n; i++)
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25
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-
if (s >> i & 1) sum +
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25
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+
if (s >> i & 1) sum + a[i];
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26
26
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b.insert(sum);
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27
27
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}
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28
28
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cout << "size = " << b.size() << '\n';
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