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题目连接 : https://nanti.jisuanke.com/t/A1256 Life is a journey, and the road we travel has twists and turns, which sometimes lead us to unexpected places 阅读全文
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2017 ACM-ICPC 亚洲区(西安赛区)网络赛 C题 题目连接 : https://nanti.jisuanke.com/t/A1269 Define the function S(x)S(x) for xx is a positive integer. S(x)S(x) equals to 阅读全文
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int read() { //输入挂 int x = 0, f = 1; register char ch = getchar(); while (ch'9') { if (ch == '-')f = -1; ch = getchar(); } while (ch >= '0'&&ch <= '9') { x = x * 10 + c... 阅读全文