| 1525 | 自然数拆分2 | 0 | 247 | 0.000% |
| 1526 | 分数加法 | 0 | 26 | 0.000% |
| 1527 | [数组][高级]回文数猜想 | 1 | 30 | 3.333% |
| 1528 | [函数][判素][高级]陈氏定理 | 0 | 24 | 0.000% |
| 1529 | [动态规划]奶牛的歌声 | 8 | 26 | 30.769% |
| 1530 | 【程序基础】孙悟空上织女星 | 5 | 392 | 1.276% |
| 1531 | [noip2008普及组][字符串]ISBN | 2 | 191 | 1.047% |
| 1532 | 【数制转换】简单波浪数 | 1 | 7 | 14.286% |
| 1533 | 二进制中的1 | 1 | 51 | 1.961% |
| 1534 | 十进制转任意进制 | 6 | 45 | 13.333% |
| 1535 | [USACO 1.1.1][字符串基础]你要乘坐的飞碟在这里 | 3 | 134 | 2.239% |
| 1537 | [USACO 1.1.3]黑色星期五 | 4 | 62 | 6.452% |
| 1540 | [USACO 1.2.2][字符串基础][二[函数]维数组]方块转换 | 32 | 33 | 96.970% |
| 1541 | [USACO 1.2.3]命名那个数字 | 0 | 12 | 0.000% |
| 1543 | [USACO 1.2.5][函数][数制转换]双重回文数 | 1 | 32 | 3.125% |
| 1546 | [USACO 1.3.3]Calf Flac | 10 | 25 | 40.000% |
| 1547 | [USACO 1.3.4]牛式 | 29 | 31 | 93.548% |
| 1548 | [USACO 1.4.1]铺放矩形块 | 17 | 25 | 68.000% |
| 1549 | [USACO 1.4.2]时钟 | 19 | 21 | 90.476% |
| 1550 | [USACO 1.4.3]等差数列 | 18 | 26 | 69.231% |
| 1551 | [USACO 1.4.4]母亲的牛奶 | 27 | 41 | 65.854% |
| 1552 | [USACO 1.5.1]数字金字塔 | 23 | 31 | 74.194% |
| 1553 | [USACO 1.5.2]回文质数 | 2 | 97 | 2.062% |
| 1554 | [USACO 1.5.3]特殊的质数肋骨 | 0 | 54 | 0.000% |
| 1555 | [USACO 1.5.4]跳棋的挑战 | 9 | 15 | 60.000% |
| 1556 | [USACO 2.1.1]城堡 | 22 | 30 | 73.333% |
| 1557 | [USACO 2.1.2]顺序的分数 | 23 | 24 | 95.833% |
| 1558 | [USACO 2.1.3]三值的排序 | 21 | 25 | 84.000% |
| 1559 | [USACO 2.1.4]健康的好斯坦奶牛 | 30 | 33 | 90.909% |
| 1560 | [USACO 2.1.5]海明码 | 19 | 21 | 90.476% |
| 1561 | [USACO 2.2.1]序言页码 | 17 | 20 | 85.000% |
| 1562 | [USACO 2.2.2]循环数 | 18 | 21 | 85.714% |
| 1563 | [USACO 2.2.3]集合 | 15 | 25 | 60.000% |
| 1564 | [USACO 2.2.4]派对灯 | 16 | 25 | 64.000% |
| 1565 | [USACO 2.3.1]最长前缀 | 14 | 33 | 42.424% |
| 1566 | [USACO 2.3.2]奶牛家谱 | 19 | 21 | 90.476% |
| 1567 | [USACO 2.3.3]和为零 | 1 | 21 | 4.762% |
| 1568 | [USACO 2.3.4]货币系统 | 25 | 35 | 71.429% |
| 1569 | [USACO 2.3.5]控制公司 | 14 | 39 | 35.897% |
| 1570 | [USACO 2.4.1]两只塔姆沃斯牛 | 21 | 24 | 87.500% |
| 1571 | [USACO 2.4.2]穿越栅栏 | 18 | 26 | 69.231% |
| 1572 | [USACO 2.4.3]牛的旅行 | 20 | 29 | 68.966% |
| 1573 | [USACO 2.4.4]回家 | 18 | 26 | 69.231% |
| 1574 | [USACO 2.4.5]分数化小数 | 21 | 25 | 84.000% |
| 1575 | [USACO 3.1.1]最短网络 | 19 | 25 | 76.000% |
| 1576 | [USACO 3.1.2]总分 | 19 | 24 | 79.167% |
| 1577 | [USACO 3.1.3]丑数 | 24 | 39 | 61.538% |
| 1578 | [USACO 3.1.4]形成的区域 | 8 | 8 | 100.000% |
| 1579 | [USACO 3.1.5]联系 | 12 | 17 | 70.588% |
| 1580 | [USACO 3.1.6]邮票 | 1 | 22 | 4.545% |