답안 #51181 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51181	2018-06-17T06:15:09 Z	노영훈(#1283, Diuven)	영역 (JOI16_ho_t4)	C++11	15 / 100	169 ms	20336 KB

2016_ho_t4

#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
const int MX=100010, inf=2e9;

int n, k;
char S[MX];

int cnt(map<pii, bool> &B){
    int ret=0;
    map<pii, bool> C;
    vector<pii> V;
    for(auto &p:B)
        V.push_back(p.first);
    for(pii &p:V){
        int x, y; tie(x,y)=p;
        if(!C[p] && B[pii(x,y+1)] && B[pii(x+1,y)] && B[pii(x+1, y+1)]) ret++;
        C[p]=true;
    }
    return ret;
}

void walk(map<pii, bool> &B, int x=0, int y=0){
    B[pii(0,0)]=true;
    for(int i=1; i<=n; i++){
        if(S[i]=='N') y++;
        if(S[i]=='S') y--;
        if(S[i]=='E') x++;
        if(S[i]=='W') x--;
        B[pii(x,y)]=true;
    }
}

pii walk(){
    int x=0, y=0;
    for(int i=1; i<=n; i++){
        if(S[i]=='N') y++;
        if(S[i]=='S') y--;
        if(S[i]=='E') x++;
        if(S[i]=='W') x--;
    }
    return pii(x,y);
}

ll solve1(){
    map<pii, bool> B;
    walk(B);
    return cnt(B);
}

ll solve2(){
    map<pii, bool> B;
    int a,b; tie(a,b)=walk();
    if(a==0 && b==0){
        walk(B);
        return cnt(B);
    }
    ll C[55]={};
    for(int i=1; i<=n; i++){
        walk(B, a*(i-1), b*(i-1));
        C[i]=cnt(B);
    }
    if(k<=n) return C[k];
    return C[n] + (C[n]-C[n-1]) * (k-n);
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin>>n>>k;
    cin>>(S+1);
    if(k==1){
        cout<<solve1();
    }
    else{
        cout<<solve2();
    }
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	656 KB	Output is correct
9	Correct	3 ms	656 KB	Output is correct
10	Correct	2 ms	656 KB	Output is correct
11	Correct	2 ms	656 KB	Output is correct
12	Correct	2 ms	656 KB	Output is correct
13	Correct	2 ms	656 KB	Output is correct
14	Correct	3 ms	656 KB	Output is correct
15	Correct	2 ms	656 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	3 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	656 KB	Output is correct
9	Correct	3 ms	656 KB	Output is correct
10	Correct	2 ms	656 KB	Output is correct
11	Correct	2 ms	656 KB	Output is correct
12	Correct	2 ms	656 KB	Output is correct
13	Correct	2 ms	656 KB	Output is correct
14	Correct	3 ms	656 KB	Output is correct
15	Correct	2 ms	656 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	3 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	2 ms	724 KB	Output is correct
27	Correct	3 ms	764 KB	Output is correct
28	Correct	5 ms	1148 KB	Output is correct
29	Correct	16 ms	2684 KB	Output is correct
30	Correct	21 ms	2812 KB	Output is correct
31	Correct	117 ms	17012 KB	Output is correct
32	Correct	25 ms	17012 KB	Output is correct
33	Correct	30 ms	17012 KB	Output is correct
34	Correct	31 ms	17012 KB	Output is correct
35	Correct	30 ms	17012 KB	Output is correct
36	Correct	37 ms	17012 KB	Output is correct
37	Correct	39 ms	17012 KB	Output is correct
38	Correct	27 ms	17012 KB	Output is correct
39	Correct	29 ms	17012 KB	Output is correct
40	Correct	27 ms	17012 KB	Output is correct
41	Correct	25 ms	17012 KB	Output is correct
42	Correct	21 ms	17012 KB	Output is correct
43	Correct	33 ms	17012 KB	Output is correct
44	Correct	31 ms	17012 KB	Output is correct
45	Correct	23 ms	17012 KB	Output is correct
46	Correct	92 ms	17012 KB	Output is correct
47	Correct	71 ms	17012 KB	Output is correct
48	Correct	119 ms	20216 KB	Output is correct
49	Correct	161 ms	20288 KB	Output is correct
50	Correct	169 ms	20336 KB	Output is correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	656 KB	Output is correct
9	Correct	3 ms	656 KB	Output is correct
10	Correct	2 ms	656 KB	Output is correct
11	Correct	2 ms	656 KB	Output is correct
12	Correct	2 ms	656 KB	Output is correct
13	Correct	2 ms	656 KB	Output is correct
14	Correct	3 ms	656 KB	Output is correct
15	Correct	2 ms	656 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	3 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Incorrect	11 ms	20336 KB	Output isn't correct
27	Halted	0 ms	0 KB	-

Subtask #4
0 / 62.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	656 KB	Output is correct
9	Correct	3 ms	656 KB	Output is correct
10	Correct	2 ms	656 KB	Output is correct
11	Correct	2 ms	656 KB	Output is correct
12	Correct	2 ms	656 KB	Output is correct
13	Correct	2 ms	656 KB	Output is correct
14	Correct	3 ms	656 KB	Output is correct
15	Correct	2 ms	656 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	724 KB	Output is correct
19	Correct	2 ms	724 KB	Output is correct
20	Correct	2 ms	724 KB	Output is correct
21	Correct	2 ms	724 KB	Output is correct
22	Correct	2 ms	724 KB	Output is correct
23	Correct	3 ms	724 KB	Output is correct
24	Correct	2 ms	724 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	2 ms	724 KB	Output is correct
27	Correct	3 ms	764 KB	Output is correct
28	Correct	5 ms	1148 KB	Output is correct
29	Correct	16 ms	2684 KB	Output is correct
30	Correct	21 ms	2812 KB	Output is correct
31	Correct	117 ms	17012 KB	Output is correct
32	Correct	25 ms	17012 KB	Output is correct
33	Correct	30 ms	17012 KB	Output is correct
34	Correct	31 ms	17012 KB	Output is correct
35	Correct	30 ms	17012 KB	Output is correct
36	Correct	37 ms	17012 KB	Output is correct
37	Correct	39 ms	17012 KB	Output is correct
38	Correct	27 ms	17012 KB	Output is correct
39	Correct	29 ms	17012 KB	Output is correct
40	Correct	27 ms	17012 KB	Output is correct
41	Correct	25 ms	17012 KB	Output is correct
42	Correct	21 ms	17012 KB	Output is correct
43	Correct	33 ms	17012 KB	Output is correct
44	Correct	31 ms	17012 KB	Output is correct
45	Correct	23 ms	17012 KB	Output is correct
46	Correct	92 ms	17012 KB	Output is correct
47	Correct	71 ms	17012 KB	Output is correct
48	Correct	119 ms	20216 KB	Output is correct
49	Correct	161 ms	20288 KB	Output is correct
50	Correct	169 ms	20336 KB	Output is correct
51	Incorrect	11 ms	20336 KB	Output isn't correct
52	Halted	0 ms	0 KB	-

답안 #51181

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 23.0

Subtask #4 0 / 62.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 23.0

Subtask #4
0 / 62.0