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Submission #137105

# Submission time Handle Problem Language Result Execution time Memory
137105 2019-07-27T05:26:53 Z arnold518 None (JOI16_ho_t4) C++14
38 / 100
 899 ms 15504 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

#define x first
#define y second

int N, K;
char S[MAXN+10];
set<pii> ST;
vector<int> V;

ll ans;

int main()
{
    int i, j;

    scanf("%d%d%s", &N, &K, S+1);
    pii now={0, 0}; ST.insert(now);

    V.push_back(0);
    for(j=1; j<=K; j++)
    {
        int a=0;
        for(i=1; i<=N; i++)
        {
            if(S[i]=='N') now.y++;
            else if(S[i]=='S') now.y--;
            else if(S[i]=='W') now.x--;
            else now.x++;
            ST.insert(now);
        }
        for(auto it : ST) a+=(ST.count({it.x, it.y}) && ST.count({it.x+1, it.y}) && ST.count({it.x, it.y+1}) && ST.count({it.x+1, it.y+1}));
        V.push_back(a);
        if(j>30 && V[j]-V[j-1]==V[j-1]-V[j-2])
        {
            printf("%lld", V[j]+(ll)(K-j)*(V[j]-V[j-1]));
            return 0;
        }
    }

    printf("%lld", V[K]);
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:48:24: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type '__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}' [-Wformat=]
     printf("%lld", V[K]);
                        ^
2016_ho_t4.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%s", &N, &K, S+1);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 392 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 12 ms 1144 KB Output is correct
30 Correct 15 ms 1144 KB Output is correct
31 Correct 47 ms 4472 KB Output is correct
32 Correct 20 ms 1528 KB Output is correct
33 Correct 23 ms 1656 KB Output is correct
34 Correct 24 ms 1784 KB Output is correct
35 Correct 23 ms 1656 KB Output is correct
36 Correct 20 ms 1528 KB Output is correct
37 Correct 22 ms 1656 KB Output is correct
38 Correct 22 ms 1528 KB Output is correct
39 Correct 23 ms 1656 KB Output is correct
40 Correct 20 ms 1528 KB Output is correct
41 Correct 19 ms 1400 KB Output is correct
42 Correct 17 ms 1272 KB Output is correct
43 Correct 23 ms 1784 KB Output is correct
44 Correct 21 ms 1528 KB Output is correct
45 Correct 19 ms 1400 KB Output is correct
46 Correct 35 ms 2936 KB Output is correct
47 Correct 38 ms 2936 KB Output is correct
48 Correct 58 ms 5240 KB Output is correct
49 Correct 54 ms 5284 KB Output is correct
50 Correct 69 ms 5240 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 4 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 6 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 6 ms 380 KB Output is correct
38 Correct 4 ms 376 KB Output is correct
39 Correct 4 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 3 ms 256 KB Output is correct
47 Correct 4 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 8 ms 380 KB Output is correct

Subtask #4
0 / 62.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 392 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 12 ms 1144 KB Output is correct
30 Correct 15 ms 1144 KB Output is correct
31 Correct 47 ms 4472 KB Output is correct
32 Correct 20 ms 1528 KB Output is correct
33 Correct 23 ms 1656 KB Output is correct
34 Correct 24 ms 1784 KB Output is correct
35 Correct 23 ms 1656 KB Output is correct
36 Correct 20 ms 1528 KB Output is correct
37 Correct 22 ms 1656 KB Output is correct
38 Correct 22 ms 1528 KB Output is correct
39 Correct 23 ms 1656 KB Output is correct
40 Correct 20 ms 1528 KB Output is correct
41 Correct 19 ms 1400 KB Output is correct
42 Correct 17 ms 1272 KB Output is correct
43 Correct 23 ms 1784 KB Output is correct
44 Correct 21 ms 1528 KB Output is correct
45 Correct 19 ms 1400 KB Output is correct
46 Correct 35 ms 2936 KB Output is correct
47 Correct 38 ms 2936 KB Output is correct
48 Correct 58 ms 5240 KB Output is correct
49 Correct 54 ms 5284 KB Output is correct
50 Correct 69 ms 5240 KB Output is correct
51 Correct 4 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 6 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 3 ms 376 KB Output is correct
56 Correct 3 ms 376 KB Output is correct
57 Correct 6 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 4 ms 376 KB Output is correct
60 Correct 6 ms 376 KB Output is correct
61 Correct 4 ms 376 KB Output is correct
62 Correct 6 ms 380 KB Output is correct
63 Correct 4 ms 376 KB Output is correct
64 Correct 4 ms 376 KB Output is correct
65 Correct 2 ms 376 KB Output is correct
66 Correct 3 ms 376 KB Output is correct
67 Correct 2 ms 376 KB Output is correct
68 Correct 5 ms 376 KB Output is correct
69 Correct 3 ms 376 KB Output is correct
70 Correct 5 ms 376 KB Output is correct
71 Correct 3 ms 256 KB Output is correct
72 Correct 4 ms 376 KB Output is correct
73 Correct 5 ms 376 KB Output is correct
74 Correct 3 ms 376 KB Output is correct
75 Correct 8 ms 380 KB Output is correct
76 Correct 133 ms 1392 KB Output is correct
77 Correct 39 ms 380 KB Output is correct
78 Incorrect 899 ms 15504 KB Output isn't correct
79 Halted 0 ms 0 KB -