回答編集履歴
1
追記
test
CHANGED
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@@ -4,3 +4,27 @@
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4
4
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を
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5
5
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prime[i]= p ? 1 : 0;
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6
6
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に変更してはいかがか。
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7
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+
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8
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+
[追記] 僕ならこう書く:
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9
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```C++
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10
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#include <iostream>
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11
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#include <cmath>
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12
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+
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13
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int main() {
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14
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bool prime[210];
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15
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for ( int i = 2; i <= 210; ++i ) {
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16
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bool& p = prime[i];
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17
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p = true;
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18
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for( int j = 2, limit = sqrt(i); j <= limit; ++j ) {
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19
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if ( i % j == 0 ) {
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20
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p = false;
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21
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break;
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22
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}
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23
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}
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24
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}
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25
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for ( int i = 2; i < 210; ++i ) {
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26
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if ( prime[i] ) std::cout << i << ' ';
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27
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}
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28
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}
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29
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```
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30
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+
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