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Submission #594080

# Submission time Handle Problem Language Result Execution time Memory
594080 2022-07-12T05:04:25 Z 반딧불(#8432) None (JOI16_ho_t4) C++17
28 / 100
 1000 ms 18044 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int xx[]={0, 1, 0, -1}, yy[]={1, 0, -1, 0};

int n, k;
int arr[100002];
set<pair<int, int> > st;
ll ans[52];

int main(){
    scanf("%d %d", &n, &k);
    for(int i=1; i<=n; i++){
        char c;
        scanf(" %c", &c);
        if(c == 'N') arr[i] = 0;
        else if(c == 'E') arr[i] = 1;
        else if(c == 'S') arr[i] = 2;
        else arr[i] = 3;
    }
    st.insert(make_pair(0, 0));
    int x = 0, y = 0;
    for(int turn=1; turn<=50; turn++){
        for(int i=1; i<=n; i++){
            x += xx[arr[i]], y += yy[arr[i]];
            st.insert(make_pair(x, y));
        }
        for(auto p: st){
            if(st.find(make_pair(p.first, p.second+1)) == st.end() || st.find(make_pair(p.first+1, p.second)) == st.end() ||
               st.find(make_pair(p.first+1, p.second+1)) == st.end()) continue;
            ans[turn]++;
        }
//        printf("%d: %lld\n", turn, ans[turn]);
    }
    if(k<=50) printf("%lld", ans[k]);
    else printf("%lld", ans[50] + (ans[50] - ans[49]) * (k - 50));
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
2016_ho_t4.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf(" %c", &c);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 4 ms 340 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 8 ms 352 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 5 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 4 ms 348 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 3 ms 340 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 4 ms 340 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 8 ms 352 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 5 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 4 ms 348 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 20 ms 532 KB Output is correct
27 Correct 237 ms 2536 KB Output is correct
28 Correct 81 ms 552 KB Output is correct
29 Execution timed out 1076 ms 18044 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 4 ms 340 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 8 ms 352 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 5 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 4 ms 348 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 3 ms 340 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 2 ms 212 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 7 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 5 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 6 ms 340 KB Output is correct
38 Correct 3 ms 340 KB Output is correct
39 Correct 3 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 2 ms 340 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 5 ms 340 KB Output is correct
44 Correct 2 ms 212 KB Output is correct
45 Correct 4 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 340 KB Output is correct
48 Correct 5 ms 340 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 4 ms 340 KB Output is correct

Subtask #4
0 / 62.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 4 ms 340 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 8 ms 352 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 5 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 4 ms 348 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 20 ms 532 KB Output is correct
27 Correct 237 ms 2536 KB Output is correct
28 Correct 81 ms 552 KB Output is correct
29 Execution timed out 1076 ms 18044 KB Time limit exceeded
30 Halted 0 ms 0 KB -