【例9.3】小写字母转大写字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	备用5 (lfyzx25032)	-	-	C++14(O2)	134 Bytes	2026-2-14 18:47:00
AC	张承泽 (lqst2555)	7ms	504 KiB	C++14(O2)	119 Bytes	2025-12-23 17:41:48
AC	刘相喆 (lqst2507)	7ms	504 KiB	C++14(O2)	114 Bytes	2025-12-23 17:37:59
AC	蓝牙 (lqst2554)	7ms	504 KiB	C++14(O2)	121 Bytes	2025-12-24 16:40:51
AC	李乾一 (lqst2584)	8ms	760 KiB	C++14(O2)	125 Bytes	2025-12-23 17:41:59
AC	刘思远 (lfyst2025012)	8ms	760 KiB	C++14(O2)	123 Bytes	2025-4-11 17:37:26
AC	邵名慧 (lfyst2025021)	8ms	508 KiB	C++14(O2)	131 Bytes	2025-4-12 20:20:57
AC	lfyst2422	8ms	504 KiB	C++14(O2)	125 Bytes	2025-4-18 18:16:01
AC	王浩泽 (zdqz202577)	8ms	504 KiB	C++14(O2)	116 Bytes	2025-12-28 20:16:00
AC	董丞贺 (lfyst2025016)	8ms	760 KiB	C++14(O2)	118 Bytes	2025-12-27 11:44:08
AC	lfy48	8ms	764 KiB	C++14(O2)	122 Bytes	2025-3-22 12:01:40
AC	杨久诚 (lfy12)	8ms	504 KiB	C++14(O2)	199 Bytes	2025-12-24 18:28:46
AC	lfyst2414	8ms	764 KiB	C++14(O2)	129 Bytes	2025-3-22 14:43:36
AC	史高睿 (lqst2515)	9ms	508 KiB	C++14(O2)	117 Bytes	2025-12-24 17:54:55
AC	唐新春 (lqst2519)	9ms	504 KiB	C++14(O2)	118 Bytes	2025-12-23 17:31:39
AC	hope-------全能选手博尔特（冰河禁区原住民） (lqst2025031)	9ms	504 KiB	C++14(O2)	195 Bytes	2025-8-20 18:08:35