Submission #19,017

19017

2025-11-17 11:55:10

cpp17

Accepted 100/100

1ms

508 KiB

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    int n;
    cin >> n;
    string s;
    cin >> s;
    int tmax = 0;
    int tcur = 0;
    int tmin = 1;
    if (s[0] == 'H') tmin = -9;
    for (size_t i = 0; i < n; i++)
    {
        if (s[i] == 'D') {
            tcur += 9;
            tmax += 9;
        }
        if (s[i] == 'U') {
            tcur -= 11;
            tmax -= 11;
            if (tmin > tcur) {
                tmin = tcur;
            }
            if (tmax <= 0) {
                cout << -1;
                return 0;
            }
        }
        if (s[i] == 'H') {
            tmax += 10;
        }
        if (s[i] == 'B') {
            tcur += 10;
            tmax += 10;
        }
    }
    if (tmin == 1) cout << 0;
    else cout << -tmin / 10 + 1;
    return 0;
}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	316 KiB
		2	Accepted	1ms	316 KiB
		3	Accepted	1ms	500 KiB
subtask2	10/10
		4	Accepted	1ms	316 KiB
		5	Accepted	1ms	316 KiB
		6	Accepted	1ms	316 KiB
		7	Accepted	1ms	316 KiB
		8	Accepted	1ms	316 KiB
		9	Accepted	1ms	316 KiB
subtask3	15/15
		10	Accepted	1ms	316 KiB
		11	Accepted	1ms	316 KiB
		12	Accepted	1ms	316 KiB
		13	Accepted	1ms	316 KiB
		14	Accepted	1ms	316 KiB
		15	Accepted	1ms	316 KiB
		16	Accepted	1ms	316 KiB
		17	Accepted	1ms	508 KiB
		18	Accepted	1ms	508 KiB
		19	Accepted	1ms	316 KiB
		20	Accepted	1ms	316 KiB
subtask4	20/20
		21	Accepted	1ms	316 KiB
		22	Accepted	1ms	364 KiB
		23	Accepted	1ms	316 KiB
		24	Accepted	1ms	316 KiB
		25	Accepted	1ms	316 KiB
		26	Accepted	1ms	316 KiB
		27	Accepted	1ms	316 KiB
		28	Accepted	1ms	316 KiB
		29	Accepted	1ms	316 KiB
		30	Accepted	1ms	316 KiB
		31	Accepted	1ms	368 KiB
		32	Accepted	1ms	316 KiB
		33	Accepted	1ms	316 KiB
		34	Accepted	1ms	316 KiB
subtask5	20/20
		35	Accepted	1ms	316 KiB
		36	Accepted	1ms	364 KiB
		37	Accepted	1ms	316 KiB
		38	Accepted	1ms	316 KiB
		39	Accepted	1ms	316 KiB
		40	Accepted	1ms	316 KiB
		41	Accepted	1ms	316 KiB
		42	Accepted	1ms	316 KiB
		43	Accepted	1ms	316 KiB
		44	Accepted	1ms	316 KiB
		45	Accepted	1ms	368 KiB
		46	Accepted	1ms	316 KiB
		47	Accepted	1ms	316 KiB
		48	Accepted	1ms	316 KiB
		49	Accepted	1ms	316 KiB
		50	Accepted	1ms	316 KiB
		51	Accepted	1ms	316 KiB
		52	Accepted	1ms	316 KiB
		53	Accepted	1ms	316 KiB
		54	Accepted	1ms	500 KiB
		55	Accepted	1ms	500 KiB
		56	Accepted	1ms	316 KiB
		57	Accepted	1ms	316 KiB
		58	Accepted	1ms	316 KiB
		59	Accepted	1ms	316 KiB
subtask6	35/35
		60	Accepted	1ms	316 KiB
		61	Accepted	1ms	316 KiB
		62	Accepted	1ms	316 KiB
		63	Accepted	1ms	316 KiB
		64	Accepted	1ms	316 KiB
		65	Accepted	1ms	316 KiB
		66	Accepted	1ms	316 KiB
		67	Accepted	1ms	316 KiB
		68	Accepted	1ms	316 KiB
		69	Accepted	1ms	316 KiB
		70	Accepted	1ms	508 KiB
		71	Accepted	1ms	508 KiB
		72	Accepted	1ms	316 KiB
		73	Accepted	1ms	316 KiB
		74	Accepted	1ms	316 KiB
		75	Accepted	1ms	364 KiB
		76	Accepted	1ms	316 KiB
		77	Accepted	1ms	316 KiB
		78	Accepted	1ms	316 KiB
		79	Accepted	1ms	316 KiB
		80	Accepted	1ms	316 KiB
		81	Accepted	1ms	316 KiB
		82	Accepted	1ms	316 KiB
		83	Accepted	1ms	316 KiB
		84	Accepted	1ms	368 KiB
		85	Accepted	1ms	316 KiB
		86	Accepted	1ms	316 KiB
		87	Accepted	1ms	316 KiB
		88	Accepted	1ms	316 KiB
		89	Accepted	1ms	316 KiB
		90	Accepted	1ms	316 KiB
		91	Accepted	1ms	316 KiB
		92	Accepted	1ms	316 KiB
		93	Accepted	1ms	500 KiB
		94	Accepted	1ms	500 KiB
		95	Accepted	1ms	316 KiB
		96	Accepted	1ms	316 KiB
		97	Accepted	1ms	316 KiB
		98	Accepted	1ms	316 KiB
		99	Accepted	1ms	316 KiB
		100	Accepted	1ms	316 KiB
		101	Accepted	1ms	500 KiB
		102	Accepted	1ms	316 KiB
		103	Accepted	1ms	316 KiB
		104	Accepted	1ms	316 KiB
		105	Accepted	1ms	316 KiB
		106	Accepted	1ms	316 KiB
		107	Accepted	1ms	316 KiB
		108	Accepted	1ms	316 KiB
		109	Accepted	1ms	316 KiB
		110	Accepted	1ms	316 KiB
		111	Accepted	1ms	396 KiB
		112	Accepted	1ms	316 KiB
		113	Accepted	1ms	316 KiB
		114	Accepted	1ms	316 KiB