답안 #56005 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
56005	2018-07-09T10:04:23 Z	youngyojun	Toilets (JOI16_toilets)	C++11	100 / 100	44 ms	2700 KB

toilets

#include <bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
using namespace std;
typedef long long ll;

char A[200005];

ll sum, mn;
ll M, X;

int main() {
	scanf("%*lld%lld", &M);
	for(; M--;) {
		scanf(" %s%lld", A, &X);

		ll ret = 0, h = 0;
		for(int i = 0; A[i]; i++) {
			ret += ('M' == A[i] ? 1 : -1);
			upmin(h, ret);
		}

		upmin(mn, sum + min({h, h + ret*(X-1), ret*X}));
		sum += ret*X;
	}

	mn -= sum;

	if(0 < sum) puts("-1");
	else if(-1 <= mn) puts("0");
	else cout << (-mn-1) << endl;
	return 0;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:24:23: warning: use of assignment suppression and length modifier together in gnu_scanf format [-Wformat=]
  scanf("%*lld%lld", &M);
                       ^
toilets.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%*lld%lld", &M);
  ~~~~~^~~~~~~~~~~~~~~~~
toilets.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %s%lld", A, &X);
   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	2 ms	572 KB	Output is correct
6	Correct	2 ms	608 KB	Output is correct
7	Correct	2 ms	672 KB	Output is correct
8	Correct	4 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	3 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	2 ms	572 KB	Output is correct
6	Correct	2 ms	608 KB	Output is correct
7	Correct	2 ms	672 KB	Output is correct
8	Correct	4 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	3 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	5 ms	964 KB	Output is correct
24	Correct	5 ms	1152 KB	Output is correct
25	Correct	5 ms	1348 KB	Output is correct
26	Correct	5 ms	1544 KB	Output is correct
27	Correct	4 ms	1740 KB	Output is correct
28	Correct	5 ms	1904 KB	Output is correct
29	Correct	3 ms	1908 KB	Output is correct
30	Correct	4 ms	1908 KB	Output is correct
31	Correct	4 ms	1908 KB	Output is correct
32	Correct	3 ms	1908 KB	Output is correct
33	Correct	4 ms	1908 KB	Output is correct
34	Correct	5 ms	1908 KB	Output is correct
35	Correct	3 ms	1908 KB	Output is correct
36	Correct	4 ms	1908 KB	Output is correct
37	Correct	3 ms	1908 KB	Output is correct
38	Correct	4 ms	1908 KB	Output is correct
39	Correct	4 ms	1908 KB	Output is correct
40	Correct	3 ms	1908 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	2 ms	572 KB	Output is correct
6	Correct	2 ms	608 KB	Output is correct
7	Correct	2 ms	672 KB	Output is correct
8	Correct	4 ms	724 KB	Output is correct
9	Correct	2 ms	724 KB	Output is correct
10	Correct	2 ms	724 KB	Output is correct
11	Correct	3 ms	724 KB	Output is correct
12	Correct	2 ms	724 KB	Output is correct
13	Correct	2 ms	724 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	5 ms	964 KB	Output is correct
24	Correct	5 ms	1152 KB	Output is correct
25	Correct	5 ms	1348 KB	Output is correct
26	Correct	5 ms	1544 KB	Output is correct
27	Correct	4 ms	1740 KB	Output is correct
28	Correct	5 ms	1904 KB	Output is correct
29	Correct	3 ms	1908 KB	Output is correct
30	Correct	4 ms	1908 KB	Output is correct
31	Correct	4 ms	1908 KB	Output is correct
32	Correct	3 ms	1908 KB	Output is correct
33	Correct	4 ms	1908 KB	Output is correct
34	Correct	5 ms	1908 KB	Output is correct
35	Correct	3 ms	1908 KB	Output is correct
36	Correct	4 ms	1908 KB	Output is correct
37	Correct	3 ms	1908 KB	Output is correct
38	Correct	4 ms	1908 KB	Output is correct
39	Correct	4 ms	1908 KB	Output is correct
40	Correct	3 ms	1908 KB	Output is correct
41	Correct	44 ms	2644 KB	Output is correct
42	Correct	34 ms	2664 KB	Output is correct
43	Correct	3 ms	2664 KB	Output is correct
44	Correct	2 ms	2664 KB	Output is correct
45	Correct	3 ms	2664 KB	Output is correct
46	Correct	8 ms	2664 KB	Output is correct
47	Correct	4 ms	2664 KB	Output is correct
48	Correct	4 ms	2700 KB	Output is correct
49	Correct	4 ms	2700 KB	Output is correct
50	Correct	5 ms	2700 KB	Output is correct
51	Correct	7 ms	2700 KB	Output is correct
52	Correct	28 ms	2700 KB	Output is correct
53	Correct	27 ms	2700 KB	Output is correct
54	Correct	39 ms	2700 KB	Output is correct
55	Correct	4 ms	2700 KB	Output is correct
56	Correct	5 ms	2700 KB	Output is correct

답안 #56005

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 64.0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
64.0 / 64.0