| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 985 | T406 最长平台 | 0 / 0 | (None) | |
| 986 | T407 奇偶位互换 | 0 / 0 | (None) | |
| 987 | T408 排序练习 | 0 / 0 | (None) | |
| 988 | T409 符合条件的数 | 0 / 0 | (None) | |
| 989 | T410 温度转换 | 0 / 0 | (None) | |
| 990 | T411 字符串的查找删除 | 0 / 0 | (None) | |
| 991 | T412 财务管理 | 0 / 0 | (None) | |
| 992 | T413 计算奇数和 | 0 / 0 | (None) | |
| 993 | T414 |a-b| Problem | 1 / 2 | 10 | |
| 994 | T415 1~N的阶乘和 | 0 / 0 | (None) | |
| 995 | T416 讨厌的小数点 | 0 / 0 | (None) | |
| 996 | T417 【NOIP1996-S4】砝码称重 | 0 / 0 | (None) | |
| 998 | T419 A+B Problem Ⅱ | 0 / 0 | (None) | |
| 999 | T420 期末成绩 | 0 / 0 | (None) | |
| 1000 | T421 货币系统 | 0 / 0 | (None) | |
| 1001 | T422 最少的交换 | 0 / 0 | (None) | |
| 1002 | T423 多功能计算器 | 0 / 0 | (None) | |
| 1003 | T424 查找元素 | 0 / 0 | (None) | |
| 1004 | T425 FBI树 | 0 / 0 | (None) | |
| 1005 | T426 奇怪的电梯 | 0 / 0 | (None) | |
| 1006 | T427 画圣诞树 | 0 / 0 | (None) | |
| 1007 | T428 打印字符图样 | 0 / 0 | (None) | |
| 1008 | T429 换零钞 | 0 / 0 | (None) | |
| 1009 | T430 激光样式 | 0 / 0 | (None) | |
| 1010 | T431 格雷码 | 0 / 0 | (None) | |
| 1011 | T432 调手表 | 0 / 0 | (None) | |
| 1012 | T433 搭积木 | 0 / 0 | (None) | |
| 1013 | T434 矩阵求和 | 0 / 0 | (None) | |
| 1014 | T435 约数个数 | 0 / 0 | (None) | |
| 1015 | T436 字符串S的子序列 | 0 / 0 | (None) | |
| 1016 | T437 0是第几个输入的数 | 0 / 0 | (None) | |
| 1017 | T438 OJ题量比拼 | 0 / 0 | (None) | |
| 1018 | T439 寻找OJ密码 | 0 / 0 | (None) | |
| 1019 | T440 OJ平台利用 | 0 / 0 | (None) | |
| 1020 | T441 小Tu的药丸 | 0 / 0 | (None) | |
| 1021 | T442 昆虫繁殖 | 0 / 0 | (None) | |
| 1022 | T443 OJ作业 | 0 / 0 | (None) | |
| 1023 | T444 OJ题目AC率 | 0 / 0 | (None) | |
| 1024 | T445 OJ积分购物 | 0 / 0 | (None) | |
| 1025 | T446 计算任意长方形的面积 | 0 / 0 | (None) | |
| 1026 | T447 交换数据 | 0 / 0 | (None) | |
| 1027 | T448 系统最佳安排 | 0 / 0 | (None) | |
| 1028 | T449 解密参赛码 | 0 / 0 | (None) | |
| 1029 | T450 序列修改 | 0 / 0 | (None) | |
| 1030 | T451 最小的回文数 | 0 / 0 | (None) | |
| 1031 | T452 小Tu看电视 | 0 / 0 | (None) | |
| 1032 | T453 通信系统 | 0 / 0 | (None) | |
| 1033 | T454 词组缩写 | 0 / 0 | (None) | |
| 1034 | T455 判断数正负 | 1 / 1 | 10 | |
| 1035 | T456 OJ系统版本 | 0 / 0 | (None) | |
| 1036 | T457 寻找正确版本 | 0 / 0 | (None) | |
| 1037 | T458 数字三角形 | 0 / 0 | (None) | |
| 1038 | T459 拔河 | 0 / 0 | (None) | |
| 1039 | T460 最大子阵和 | 0 / 0 | (None) | |
| 1040 | T461 滑雪 | 0 / 0 | (None) | |
| 1041 | T462 【NOIP2012-J3】摆花 | 0 / 0 | (None) | |
| 1042 | T463 装箱问题 | 0 / 0 | (None) | |
| 1043 | T464 帝国老鼠病毒 | 0 / 0 | (None) | |
| 1044 | T465 伪质数 | 0 / 0 | (None) | |
| 1045 | T466 查找二叉树 | 0 / 0 | (None) | |
| 1046 | T467 复原二叉树 | 0 / 0 | (None) | |
| 1047 | T468 找数字 V2 | 0 / 0 | (None) | |
| 1048 | T469 字符出现位置 | 0 / 0 | (None) | |
| 1049 | T470 字符串出现位置 | 0 / 0 | (None) | |
| 1050 | T471 地外遗迹 | 0 / 0 | (None) | |
| 1051 | T472 最小字典序 | 0 / 0 | (None) | |
| 1052 | T473 【NOIP2010-S2】乌龟棋 | 0 / 0 | (None) | |
| 1053 | T474 【NOIP2005-J3】采药 | 0 / 0 | (None) | |
| 1054 | T475 硬币问题 | 0 / 0 | (None) | |
| 1055 | T476 因数之和为 n 的最小正数 | 0 / 0 | (None) | |
| 1056 | T477 精妙数 | 0 / 0 | (None) | |
| 1058 | T479 回文串 | 0 / 0 | (None) | |
| 1059 | T480 众数 | 0 / 0 | (None) | |
| 1060 | T481 军事机密 | 0 / 0 | (None) | |
| 1061 | T482 数字变位 | 0 / 0 | (None) | |
| 1062 | T483 第 m 大的身份证号码 | 0 / 0 | (None) | |
| 1067 | T488 走台阶 | 0 / 0 | (None) | |
| 1068 | T489 蜜蜂路线 | 0 / 0 | (None) | |
| 1069 | T490 【NOIP2002-J4】过河卒 | 0 / 0 | (None) | |
| 1070 | T491 统计数字 | 0 / 0 | (None) | |
| 1071 | T492 输油管道问题 | 0 / 0 | (None) | |
| 1072 | T493 士兵站队问题 | 0 / 0 | (None) | |
| 1073 | T494 数字三角形 | 0 / 0 | (None) | |
| 1074 | T495 斐波那契数列 | 0 / 0 | (None) | |
| 1075 | T496 骨牌铺法 | 0 / 0 | (None) | |
| 1076 | T497 位数问题 | 0 / 0 | (None) | |
| 1077 | T498 【CSP2020-S1】儒略日 | 0 / 0 | (None) | |
| 1078 | T499 【USACO2007Jan】排队 | 0 / 0 | (None) | |
| 1079 | T500 【USACO2007Jan】解题 | 0 / 0 | (None) | |
| 1080 | T501 字符串的查找删除 | 0 / 0 | (None) | |
| 1081 | T502 【CSP2020-J2】直播获奖 | 0 / 0 | (None) | |
| 1082 | T503 【CSP2020-J4】方格取数 | 0 / 0 | (None) | |
| 1083 | T504 组合+判断素数(递归入门) | 0 / 0 | (None) | |
| 1084 | T505 【USACO2.1】健康的荷斯坦奶牛 | 0 / 0 | (None) | |
| 1085 | T506 【NOIP2004-J2】花生采摘 | 0 / 0 | (None) | |
| 1086 | T507 CFF炸药 | 0 / 0 | (None) | |
| 1087 | T508 邮局 | 0 / 0 | (None) | |
| 1088 | T509 接竹竿 | 0 / 0 | (None) | |
| 1089 | T510 【NOIP2008-S3】传纸条 | 0 / 0 | (None) | |
| 1090 | T511 【NOIP2001-J2】最大公约数和最小公倍数问题 | 0 / 0 | (None) |