Problem ID Title Solved Submit Pass Rate
1169求和s=1-1/2+1/3-1/4…47771067.183%
1170求积s=1×2 × 3 × … × n20825780.934%
1171格里高得公式求л的值10114868.243%
11721到自然数N的奇数和与偶数和57986367.092%
1173三位阿姆斯特朗数14234241.520%
1174完全平方数33262553.120%
1175分数序列13524056.250%
1176求和s=a+aa+aaa+aa……a33048068.750%
1177求S=1+2+3+......+N<100,使其成立的最大N858116773.522%
1178求恰好使s=1+1/2+1/3+…+1/n的值大于1.9时n的值41752379.732%
1179求一个正整数的位数31539879.146%
1180各位数字和61076379.948%
1181角谷猜想25444157.596%
1182韩信点兵29555453.249%
1183输出三角形764110968.891%
1184输出乘法表616124749.399%
1185输出素数362101335.735%
1186求完数648121253.465%
1192找拖后腿的19840049.500%
1193十进制转换为二进制37456066.786%
1194去重15741937.470%
1195插入15432147.975%
1196筛选法求素数563100456.076%
1197约瑟夫问题37067954.492%
1198矩阵加法22930375.578%
1199马鞍数29297330.010%
1200找成绩稳定学生36664656.656%
1201幻方13021361.033%
1202蛇形矩阵12019162.827%
1203统计字母个数和数字个数35863056.825%
1204字符串比较25639664.646%
1308NOIP2011:统计单词数8934425.872%
1333找零钱12516177.640%
1334数字字符统计9923342.489%
1335关房间8113062.308%