回答編集履歴
3
微修正
answer
CHANGED
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@@ -14,6 +14,8 @@
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14
14
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cout << str.front() << endl;
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15
15
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cout << str.c_str()[0] << endl;
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16
16
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cout << *str.c_str() << endl;
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17
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+
cout << str.data()[0] << endl;
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18
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+
cout << *str.data() << endl;
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17
19
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char c; str.copy(&c,1);
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18
20
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cout << c << endl;
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19
21
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}
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2
微修正
answer
CHANGED
|
@@ -14,6 +14,8 @@
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14
14
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cout << str.front() << endl;
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15
15
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cout << str.c_str()[0] << endl;
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16
16
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cout << *str.c_str() << endl;
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17
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+
char c; str.copy(&c,1);
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18
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+
cout << c << endl;
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17
19
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}
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18
20
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```
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19
21
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1
微修正
answer
CHANGED
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@@ -7,13 +7,13 @@
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7
7
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int main( ) {
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8
8
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string str("Perfect number") ;
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9
9
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10
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-
cout << str[0]
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10
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+
cout << str[0] << endl;
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11
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-
cout << str.at(0)
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11
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+
cout << str.at(0) << endl;
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12
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-
cout << *str.begin()
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12
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+
cout << *str.begin() << endl;
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13
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-
cout << *begin(str)
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13
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+
cout << *begin(str) << endl;
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14
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-
cout << str.front()
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14
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+
cout << str.front() << endl;
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15
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-
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16
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-
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|
15
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+
cout << str.c_str()[0] << endl;
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16
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+
cout << *str.c_str() << endl;
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17
17
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}
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18
18
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```
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19
19
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