oj.uz

Submission #137117

# Submission time Handle Problem Language Result Execution time Memory
137117 2019-07-27T05:37:13 Z arnold518 None (JOI16_ho_t4) C++14
38 / 100
 1000 ms 34652 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>70 && 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 376 KB Output is correct
2 Correct 2 ms 256 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 400 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 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 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 3 ms 376 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 256 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 2 ms 376 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 256 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 400 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 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 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 3 ms 376 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 256 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 2 ms 376 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 888 KB Output is correct
29 Correct 31 ms 2168 KB Output is correct
30 Correct 37 ms 2424 KB Output is correct
31 Correct 163 ms 8680 KB Output is correct
32 Correct 50 ms 3192 KB Output is correct
33 Correct 58 ms 3708 KB Output is correct
34 Correct 58 ms 3832 KB Output is correct
35 Correct 58 ms 3576 KB Output is correct
36 Correct 51 ms 3192 KB Output is correct
37 Correct 55 ms 3448 KB Output is correct
38 Correct 54 ms 3448 KB Output is correct
39 Correct 57 ms 3576 KB Output is correct
40 Correct 51 ms 3132 KB Output is correct
41 Correct 47 ms 3184 KB Output is correct
42 Correct 40 ms 2560 KB Output is correct
43 Correct 60 ms 3832 KB Output is correct
44 Correct 55 ms 3416 KB Output is correct
45 Correct 45 ms 2864 KB Output is correct
46 Correct 101 ms 5368 KB Output is correct
47 Correct 132 ms 5368 KB Output is correct
48 Correct 208 ms 9944 KB Output is correct
49 Correct 210 ms 9956 KB Output is correct
50 Correct 225 ms 9948 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 256 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 400 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 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 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 3 ms 376 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 256 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 2 ms 376 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 5 ms 420 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 4 ms 504 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 5 ms 504 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 5 ms 504 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 256 KB Output is correct
43 Correct 4 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 4 ms 504 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 4 ms 504 KB Output is correct
49 Correct 2 ms 380 KB Output is correct
50 Correct 5 ms 504 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 256 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 400 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 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 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 3 ms 376 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 256 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 2 ms 376 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 888 KB Output is correct
29 Correct 31 ms 2168 KB Output is correct
30 Correct 37 ms 2424 KB Output is correct
31 Correct 163 ms 8680 KB Output is correct
32 Correct 50 ms 3192 KB Output is correct
33 Correct 58 ms 3708 KB Output is correct
34 Correct 58 ms 3832 KB Output is correct
35 Correct 58 ms 3576 KB Output is correct
36 Correct 51 ms 3192 KB Output is correct
37 Correct 55 ms 3448 KB Output is correct
38 Correct 54 ms 3448 KB Output is correct
39 Correct 57 ms 3576 KB Output is correct
40 Correct 51 ms 3132 KB Output is correct
41 Correct 47 ms 3184 KB Output is correct
42 Correct 40 ms 2560 KB Output is correct
43 Correct 60 ms 3832 KB Output is correct
44 Correct 55 ms 3416 KB Output is correct
45 Correct 45 ms 2864 KB Output is correct
46 Correct 101 ms 5368 KB Output is correct
47 Correct 132 ms 5368 KB Output is correct
48 Correct 208 ms 9944 KB Output is correct
49 Correct 210 ms 9956 KB Output is correct
50 Correct 225 ms 9948 KB Output is correct
51 Correct 4 ms 348 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 5 ms 420 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 4 ms 504 KB Output is correct
58 Correct 4 ms 376 KB Output is correct
59 Correct 4 ms 376 KB Output is correct
60 Correct 5 ms 504 KB Output is correct
61 Correct 3 ms 376 KB Output is correct
62 Correct 5 ms 504 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 256 KB Output is correct
68 Correct 4 ms 376 KB Output is correct
69 Correct 3 ms 376 KB Output is correct
70 Correct 4 ms 504 KB Output is correct
71 Correct 2 ms 376 KB Output is correct
72 Correct 3 ms 376 KB Output is correct
73 Correct 4 ms 504 KB Output is correct
74 Correct 2 ms 380 KB Output is correct
75 Correct 5 ms 504 KB Output is correct
76 Correct 192 ms 5112 KB Output is correct
77 Correct 47 ms 632 KB Output is correct
78 Execution timed out 1032 ms 34652 KB Time limit exceeded
79 Halted 0 ms 0 KB -