C compiler with embedded metalanguage.
您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
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int
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main() {
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int n;
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int t;
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int c;
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int p;
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c = 0;
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n = 2;
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while (n < 5000) {
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t = 2;
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p = 1;
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while (t*t <= n) {
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if (n % t == 0)
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p = 0;
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t++;
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}
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n++;
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if (p)
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c++;
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}
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if (c != 669)
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return 1;
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return 0;
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}
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