답안 #51183 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51183	2018-06-17T06:27:39 Z	노영훈(#1283, Diuven)	영역 (JOI16_ho_t4)	C++11	15 / 100	174 ms	21176 KB

2016_ho_t4

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

int n, k;
char S[MX];

ll cnt(map<pii, bool> &B){
    ll ret=0;
    map<pii, bool> C;
    vector<pii> V;
    for(auto &p:B)
        V.push_back(p.first);
    for(pii &p:V){
        ll 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, ll x=0, ll 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;
    ll a,b; tie(a,b)=walk();
    if(a==0 && b==0){
        walk(B);
        return cnt(B);
    }
    ll C[105]={};
    for(int i=1; i<=2*n; i++){
        walk(B, a*(i-1), b*(i-1));
        C[i]=cnt(B);
    }
    if(k<=2*n) return C[k];
    return C[2*n] + (C[2*n]-C[2*n-1]) * (k-2*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	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	412 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	468 KB	Output is correct
6	Correct	2 ms	468 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	544 KB	Output is correct
10	Correct	2 ms	548 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	2 ms	640 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	640 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	640 KB	Output is correct
23	Correct	2 ms	640 KB	Output is correct
24	Correct	2 ms	640 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	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	412 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	468 KB	Output is correct
6	Correct	2 ms	468 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	544 KB	Output is correct
10	Correct	2 ms	548 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	2 ms	640 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	640 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	640 KB	Output is correct
23	Correct	2 ms	640 KB	Output is correct
24	Correct	2 ms	640 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	3 ms	724 KB	Output is correct
27	Correct	4 ms	856 KB	Output is correct
28	Correct	6 ms	1260 KB	Output is correct
29	Correct	20 ms	2916 KB	Output is correct
30	Correct	19 ms	3048 KB	Output is correct
31	Correct	135 ms	17700 KB	Output is correct
32	Correct	32 ms	17700 KB	Output is correct
33	Correct	30 ms	17700 KB	Output is correct
34	Correct	40 ms	17700 KB	Output is correct
35	Correct	35 ms	17700 KB	Output is correct
36	Correct	27 ms	17700 KB	Output is correct
37	Correct	29 ms	17700 KB	Output is correct
38	Correct	31 ms	17700 KB	Output is correct
39	Correct	33 ms	17700 KB	Output is correct
40	Correct	32 ms	17700 KB	Output is correct
41	Correct	29 ms	17700 KB	Output is correct
42	Correct	21 ms	17700 KB	Output is correct
43	Correct	32 ms	17700 KB	Output is correct
44	Correct	28 ms	17700 KB	Output is correct
45	Correct	25 ms	17700 KB	Output is correct
46	Correct	77 ms	17700 KB	Output is correct
47	Correct	74 ms	17700 KB	Output is correct
48	Correct	121 ms	21028 KB	Output is correct
49	Correct	166 ms	21096 KB	Output is correct
50	Correct	174 ms	21176 KB	Output is correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	412 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	468 KB	Output is correct
6	Correct	2 ms	468 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	544 KB	Output is correct
10	Correct	2 ms	548 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	2 ms	640 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	640 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	640 KB	Output is correct
23	Correct	2 ms	640 KB	Output is correct
24	Correct	2 ms	640 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Incorrect	52 ms	21176 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	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	412 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	468 KB	Output is correct
6	Correct	2 ms	468 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	544 KB	Output is correct
10	Correct	2 ms	548 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	2 ms	640 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	640 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	640 KB	Output is correct
23	Correct	2 ms	640 KB	Output is correct
24	Correct	2 ms	640 KB	Output is correct
25	Correct	2 ms	724 KB	Output is correct
26	Correct	3 ms	724 KB	Output is correct
27	Correct	4 ms	856 KB	Output is correct
28	Correct	6 ms	1260 KB	Output is correct
29	Correct	20 ms	2916 KB	Output is correct
30	Correct	19 ms	3048 KB	Output is correct
31	Correct	135 ms	17700 KB	Output is correct
32	Correct	32 ms	17700 KB	Output is correct
33	Correct	30 ms	17700 KB	Output is correct
34	Correct	40 ms	17700 KB	Output is correct
35	Correct	35 ms	17700 KB	Output is correct
36	Correct	27 ms	17700 KB	Output is correct
37	Correct	29 ms	17700 KB	Output is correct
38	Correct	31 ms	17700 KB	Output is correct
39	Correct	33 ms	17700 KB	Output is correct
40	Correct	32 ms	17700 KB	Output is correct
41	Correct	29 ms	17700 KB	Output is correct
42	Correct	21 ms	17700 KB	Output is correct
43	Correct	32 ms	17700 KB	Output is correct
44	Correct	28 ms	17700 KB	Output is correct
45	Correct	25 ms	17700 KB	Output is correct
46	Correct	77 ms	17700 KB	Output is correct
47	Correct	74 ms	17700 KB	Output is correct
48	Correct	121 ms	21028 KB	Output is correct
49	Correct	166 ms	21096 KB	Output is correct
50	Correct	174 ms	21176 KB	Output is correct
51	Incorrect	52 ms	21176 KB	Output isn't correct
52	Halted	0 ms	0 KB	-

답안 #51183

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