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1081 Rational Sum (20)（20 分） Given N rational numbers in the form "numerator/denominator", you are supposed to calculate their sum. Input Specificatio 阅读全文
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int gcd(int a, int b) { if (b == 0) return 0; else return gcd(b, a % b); } struct Fraction { int up, down; }; Fraction Reduction(Fraction result) { if (result.down r.down) { ... 阅读全文
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其他方法参考： http://www.cnblogs.com/asheng2016/p/7661311.html https://blog.csdn.net/xtzmm1215/article/details/38407799 阅读全文