回答編集履歴
1
sum += a[i] を sum + a[i] に変更
test
CHANGED
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@@ -46,7 +46,7 @@
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46
46
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47
47
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for (int i = 0; i < n; i++)
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48
48
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49
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-
if (s >> i & 1) sum +
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49
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+
if (s >> i & 1) sum + a[i];
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50
50
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51
51
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b.insert(sum);
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52
52
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