oj.uz

Submission #56005

# Submission time Handle Problem Language Result Execution time Memory
56005 2018-07-09T10:04:23 Z youngyojun Toilets (JOI16_toilets) C++11
100 / 100
 44 ms 2700 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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