回答編集履歴
2
変数名訂正
test
CHANGED
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@@ -14,6 +14,6 @@
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14
14
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15
15
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16
16
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17
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-
std::sort(&
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17
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+
std::sort(&a[0], &a[4], [](auto& x, auto& y){return x[0] < y[0];});
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18
18
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19
19
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```
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1
sort関数呼び出しのコードを追加
test
CHANGED
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@@ -10,6 +10,10 @@
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10
10
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11
11
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```C++
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12
12
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13
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-
std::array<int,2> a[
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13
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+
std::array<int,2> a[] = {{7,2},{5,3},{10.5},{8,4}};
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14
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+
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15
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+
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16
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+
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17
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+
std::sort(&data[0], &data[4], [](auto& a, auto& b){return a[0] < b[0];});
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14
18
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15
19
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```
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