Problem ID Title Solved Submit Pass Rate
1020质数9313270.455%
1023完全数359835.714%
1027斐波那契数列II-有一分数序列:2/1,3/2,5/3,8/5,13/8,21/13…求出这个数列的前20项之和。294465.909%
1038输入一个两位数,分别显示它的十位上的数和个位上的数。15221570.698%
1049自首数164436.364%
1075数字对调8612668.254%
1115计算等差数列的第n项的值8013758.394%
1172五边形的面积(海伦公式)425773.684%
1191两点之间的距离174240.476%
1234前缀和(一维)284365.116%
1235子矩阵的和(二维前缀和)11100.000%
1238差分274067.500%
1242差分矩阵6966.667%
1245幸运数82040.000%
1251试除法判定质数144233.333%
1252分解质因数143046.667%
1253筛质数245147.059%
1266海伦公式346056.667%
1274小李做题357944.304%
1289斐波那契数列516776.119%
1300小杨的考试5722225.676%
1301长方形面积6511855.085%
1303等差数列末项计算5510552.381%
1314累计相加10914774.150%
1316点和正方形的关系4610344.660%
1324救援5211346.018%
1357包含 7 的回文数247133.803%
1362求最大公约数14818679.570%
1363求最小公倍数769381.720%
1379最大质数338041.250%
1380找素数183158.065%
1401孪生素数334376.744%
1404完全平方数364973.469%
1407最大公约数与最小公倍数294269.048%
1410smooth 数3933.333%
1432求正整数的因数81172.727%
1445快速幂41330.769%
1498解密24580.000%
1507翻硬币(coin)167621.053%
1508购物(buy)123138.710%
1511区间数列乘C3650.000%
1588计算星期几126518.462%
1589寻找数字5115433.117%
1602平方之和6016237.037%
1603休息时间376259.677%
1611时间跨越205238.462%
16554的倍数21216.667%
1718覆盖112544.000%
1727座位 (seat)82138.095%
1731IOI 文字列 (IOI String)111764.706%
1777有趣的数字和21118.182%
1853小杨的幸运数2153542.857%
1857二进制回文串202774.074%
1864数字替换466076.667%
1867射箭516776.119%
186891275.000%
1875平面上的最接近点对41921.053%
1877Couple number1425.000%
1883拆分11100.000%
1888绩点256041.667%
1889种子队122842.857%
1913最大子段和与最小子段和41526.667%
1916海洋宝宝368243.902%
1918分摊水费214546.667%
1919兑换现金券272993.103%
1922回家317243.056%
1936售卖干草3510035.000%
1939华小科的旅行开始了3560.000%
1943网格图33100.000%
1945Area394684.783%
1946Tourist181994.737%
1978区间内与N互质的数的个数41526.667%
1983二维码存储71163.636%
1985植树节173154.839%
1986面积185135.294%
1988训练记录91850.000%
1989课桌202871.429%
1990纸短情长5771.429%
1991双十一44100.000%
1992幸运数字91560.000%
1993Rabbits4666.667%
1995环形游走3650.000%
1997食堂222684.615%
1998 编程学习242982.759%
2001密码锁21414.286%
2004三角洲234254.762%
2006零的影子173154.839%
2008【模板】字典树 / Trie101758.824%
2016跳柱文明111764.706%
2017偷偷去面试3742.857%
2025四叶玫瑰数61154.545%