oj.uz

Submission #137114

# Submission time Handle Problem Language Result Execution time Memory
137114 2019-07-27T05:36:17 Z arnold518 None (JOI16_ho_t4) C++14
38 / 100
 576 ms 20684 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> S1, S2;
vector<ll> V;

ll ans;

int main()
{
    int i, j;

    scanf("%d%d%s", &N, &K, S+1);
    pii now={0, 0}; S1.insert(now);

    V.push_back(0);
    for(j=1; j<=K; j++)
    {
        set<pii> S3;
        if(j==1) S3.insert({0, 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++;
            if(!S1.count(now)) S1.insert(now), S3.insert(now);
        }
        for(auto it : S3)
        {
            if(S1.count({it.x, it.y}) && S1.count({it.x+1, it.y}) && S1.count({it.x, it.y+1}) && S1.count({it.x+1, it.y+1})) S2.insert({it.x, it.y});
            if(S1.count({it.x, it.y}) && S1.count({it.x+1, it.y}) && S1.count({it.x, it.y-1}) && S1.count({it.x+1, it.y-1})) S2.insert({it.x, it.y-1});
            if(S1.count({it.x, it.y}) && S1.count({it.x-1, it.y}) && S1.count({it.x, it.y+1}) && S1.count({it.x-1, it.y+1})) S2.insert({it.x-1, it.y});
            if(S1.count({it.x, it.y}) && S1.count({it.x-1, it.y}) && S1.count({it.x, it.y-1}) && S1.count({it.x-1, it.y-1})) S2.insert({it.x-1, it.y-1});
        }

        //printf("%d\n", S2.size());
        V.push_back((ll)S2.size());
        if(j>40 && 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: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 256 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 376 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 376 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 356 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 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 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 3 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 376 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 376 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 356 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 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 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 3 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 9 ms 760 KB Output is correct
29 Correct 31 ms 2156 KB Output is correct
30 Correct 37 ms 2424 KB Output is correct
31 Correct 164 ms 8568 KB Output is correct
32 Correct 49 ms 3064 KB Output is correct
33 Correct 57 ms 3576 KB Output is correct
34 Correct 58 ms 3832 KB Output is correct
35 Correct 63 ms 3576 KB Output is correct
36 Correct 52 ms 3320 KB Output is correct
37 Correct 56 ms 3448 KB Output is correct
38 Correct 55 ms 3448 KB Output is correct
39 Correct 57 ms 3576 KB Output is correct
40 Correct 52 ms 3196 KB Output is correct
41 Correct 47 ms 3064 KB Output is correct
42 Correct 39 ms 2552 KB Output is correct
43 Correct 67 ms 3832 KB Output is correct
44 Correct 54 ms 3320 KB Output is correct
45 Correct 44 ms 2936 KB Output is correct
46 Correct 100 ms 5240 KB Output is correct
47 Correct 116 ms 5240 KB Output is correct
48 Correct 205 ms 9976 KB Output is correct
49 Correct 216 ms 10084 KB Output is correct
50 Correct 219 ms 9976 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 376 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 376 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 356 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 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 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 3 ms 256 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 4 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 4 ms 504 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 3 ms 376 KB Output is correct
35 Correct 4 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 4 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 3 ms 380 KB Output is correct
42 Correct 2 ms 380 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 3 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 4 ms 376 KB Output is correct

Subtask #4
0 / 62.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 376 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 376 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 356 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 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 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 3 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 9 ms 760 KB Output is correct
29 Correct 31 ms 2156 KB Output is correct
30 Correct 37 ms 2424 KB Output is correct
31 Correct 164 ms 8568 KB Output is correct
32 Correct 49 ms 3064 KB Output is correct
33 Correct 57 ms 3576 KB Output is correct
34 Correct 58 ms 3832 KB Output is correct
35 Correct 63 ms 3576 KB Output is correct
36 Correct 52 ms 3320 KB Output is correct
37 Correct 56 ms 3448 KB Output is correct
38 Correct 55 ms 3448 KB Output is correct
39 Correct 57 ms 3576 KB Output is correct
40 Correct 52 ms 3196 KB Output is correct
41 Correct 47 ms 3064 KB Output is correct
42 Correct 39 ms 2552 KB Output is correct
43 Correct 67 ms 3832 KB Output is correct
44 Correct 54 ms 3320 KB Output is correct
45 Correct 44 ms 2936 KB Output is correct
46 Correct 100 ms 5240 KB Output is correct
47 Correct 116 ms 5240 KB Output is correct
48 Correct 205 ms 9976 KB Output is correct
49 Correct 216 ms 10084 KB Output is correct
50 Correct 219 ms 9976 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 2 ms 256 KB Output is correct
53 Correct 4 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 3 ms 376 KB Output is correct
57 Correct 4 ms 504 KB Output is correct
58 Correct 3 ms 376 KB Output is correct
59 Correct 3 ms 376 KB Output is correct
60 Correct 4 ms 376 KB Output is correct
61 Correct 3 ms 376 KB Output is correct
62 Correct 4 ms 376 KB Output is correct
63 Correct 3 ms 376 KB Output is correct
64 Correct 3 ms 376 KB Output is correct
65 Correct 2 ms 376 KB Output is correct
66 Correct 3 ms 380 KB Output is correct
67 Correct 2 ms 380 KB Output is correct
68 Correct 3 ms 376 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 3 ms 376 KB Output is correct
71 Correct 2 ms 376 KB Output is correct
72 Correct 3 ms 376 KB Output is correct
73 Correct 3 ms 376 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 4 ms 376 KB Output is correct
76 Correct 104 ms 3064 KB Output is correct
77 Correct 30 ms 632 KB Output is correct
78 Incorrect 576 ms 20684 KB Output isn't correct
79 Halted 0 ms 0 KB -