Submission #241768

# Submission time Handle Problem Language Result Execution time Memory
241768 2020-06-25T12:56:15 Z dsjong None (JOI16_ho_t4) C++14
15 / 100
68 ms 9848 KB
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;
map<pair<int, int>, bool>mp;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n, k;
	string s;
	cin>>n>>k>>s;
	assert(k==1 || n<=60);
	int x=0, y=0;
	mp[{0, 0}]=true;
	set<pair<int, int>>v;
	v.insert({0, 0});
	for(int i=0;i<n;i++){
		if(s[i]=='E') x++;
		if(s[i]=='W') x--;
		if(s[i]=='N') y--;
		if(s[i]=='S') y++;
		v.insert({x, y});
	}
	int dy=y, dx=x;
	set<pair<int, int>>v2;
	int cnt=0;
	if(k<=60){
		for(int i=0;i<k;i++){
			for(auto [x, y]:v){
				v2.insert({x+i*dx, y+i*dy});
			}
		}
		for(auto i:v2){
			int x=i.first, y=i.second;
			if(v2.find({x+1, y})!=v2.end() && v2.find({x, y+1})!=v2.end() && v2.find({x+1, y+1})!=v2.end()){
				cnt++;
			}
		}
	}
	else{
		for(int i=0;i<60;i++){
			for(auto [x, y]:v){
				v2.insert({x+i*dx, y+i*dy});
			}
		}
		int A=0;
		for(auto i:v2){
			int x=i.first, y=i.second;
			if(v2.find({x+1, y})!=v2.end() && v2.find({x, y+1})!=v2.end() && v2.find({x+1, y+1})!=v2.end()){
				A++;
			}
		}
		for(auto [x, y]:v){
			v2.insert({x+60*dx, y+60*dy});
		}
		int B=0;
		for(auto i:v2){
			int x=i.first, y=i.second;
			if(v2.find({x+1, y})!=v2.end() && v2.find({x, y+1})!=v2.end() && v2.find({x+1, y+1})!=v2.end()){
				B++;
			}
		}
		B-=A;
		cnt=A+B*(k-60);
	}
	cout<<cnt;
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:29:13: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
    for(auto [x, y]:v){
             ^
2016_ho_t4.cpp:42:13: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
    for(auto [x, y]:v){
             ^
2016_ho_t4.cpp:53:12: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
   for(auto [x, y]:v){
            ^
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 8 ms 640 KB Output is correct
29 Correct 22 ms 1792 KB Output is correct
30 Correct 19 ms 1792 KB Output is correct
31 Correct 60 ms 8440 KB Output is correct
32 Correct 26 ms 2432 KB Output is correct
33 Correct 28 ms 2688 KB Output is correct
34 Correct 28 ms 2944 KB Output is correct
35 Correct 28 ms 2680 KB Output is correct
36 Correct 26 ms 2432 KB Output is correct
37 Correct 28 ms 2688 KB Output is correct
38 Correct 27 ms 2560 KB Output is correct
39 Correct 28 ms 2688 KB Output is correct
40 Correct 25 ms 2432 KB Output is correct
41 Correct 25 ms 2304 KB Output is correct
42 Correct 22 ms 1920 KB Output is correct
43 Correct 29 ms 2816 KB Output is correct
44 Correct 27 ms 2560 KB Output is correct
45 Correct 24 ms 2176 KB Output is correct
46 Correct 38 ms 5120 KB Output is correct
47 Correct 39 ms 5120 KB Output is correct
48 Correct 68 ms 9848 KB Output is correct
49 Correct 68 ms 9848 KB Output is correct
50 Correct 65 ms 9848 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 6 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Incorrect 6 ms 384 KB Output isn't correct
34 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 8 ms 640 KB Output is correct
29 Correct 22 ms 1792 KB Output is correct
30 Correct 19 ms 1792 KB Output is correct
31 Correct 60 ms 8440 KB Output is correct
32 Correct 26 ms 2432 KB Output is correct
33 Correct 28 ms 2688 KB Output is correct
34 Correct 28 ms 2944 KB Output is correct
35 Correct 28 ms 2680 KB Output is correct
36 Correct 26 ms 2432 KB Output is correct
37 Correct 28 ms 2688 KB Output is correct
38 Correct 27 ms 2560 KB Output is correct
39 Correct 28 ms 2688 KB Output is correct
40 Correct 25 ms 2432 KB Output is correct
41 Correct 25 ms 2304 KB Output is correct
42 Correct 22 ms 1920 KB Output is correct
43 Correct 29 ms 2816 KB Output is correct
44 Correct 27 ms 2560 KB Output is correct
45 Correct 24 ms 2176 KB Output is correct
46 Correct 38 ms 5120 KB Output is correct
47 Correct 39 ms 5120 KB Output is correct
48 Correct 68 ms 9848 KB Output is correct
49 Correct 68 ms 9848 KB Output is correct
50 Correct 65 ms 9848 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 6 ms 384 KB Output is correct
54 Correct 5 ms 384 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 6 ms 384 KB Output is correct
58 Incorrect 6 ms 384 KB Output isn't correct
59 Halted 0 ms 0 KB -