QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#376828#2174. Which Planet is This?!installb#TL 292ms21684kbC++201.9kb2024-04-04 17:04:182024-04-04 17:04:18

Judging History

你现在查看的是最新测评结果

  • [2024-04-04 17:04:18]
  • 评测
  • 测评结果:TL
  • 用时:292ms
  • 内存:21684kb
  • [2024-04-04 17:04:18]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
const int N = 3600000;

int n;
vector <int> va[N],vb[N];
int pB[2][N],sa[N],sb[N],hb[2][N];
int mp[N + 5];

int f[N];
void getfail(int sz){
    int j=0;
    for(int i=2;i<=n;i++){
        while(j && sa[i]!=sa[j+1])j=f[j];
        if(sa[i] == sa[j+1])j++;
        f[i]=j;
    }
}

bool solve(){
    cin >> n;
    for(int i = 1;i <= n;i ++){
        db x,y; cin >> x >> y;
        int cx = x * 10000 + 0.1 + 900000;
        int cy = y * 10000 + 0.1 + 1800000;
        va[cx].push_back(cy%N);
    }
    for(int i = 1;i <= n;i ++){
        db x,y; cin >> x >> y;
        int cx = x * 10000 + 0.1 + 900000;
        int cy = y * 10000 + 0.1 + 1800000;
        vb[cx].push_back(cy%N);
    }
    int num = 0;
    for(int i = 0;i <= 1800000;i ++){
        if(va[i].size() != vb[i].size()) return 0;
        if(va[i].size() == 0) continue;
        num ++;
        sort(va[i].begin(),va[i].end());
        sort(vb[i].begin(),vb[i].end());

        int sz = va[i].size();
        for(int j = 1;j < sz;j ++) sa[j] = (va[i][j] - va[i][j - 1] + N) % N;
        sa[sz] = (va[i][0] - va[i].back() + N) % N;
        for(int j = 1;j < sz;j ++) sb[j] = (vb[i][j] - vb[i][j - 1] + N) % N;
        sb[sz] = (vb[i][0] - vb[i].back() + N) % N;

        for(int j = sz + 1;j <= sz + sz;j ++) sb[j] = sb[j - sz];
        getfail(sz);
        for(int j = 1,k=0;j < sz + sz;j ++){
            while(k && sb[j] != sa[k+1])k=f[k];
            if(sb[j] == sa[k+1])k++;
            if(k == sz){
                mp[(vb[i][j - sz] - va[i][0] + N) % N] ++;
                k=f[k];
            }
        }
    }
    for(int i = 0;i <= N;i ++) if(mp[i] == num) return 1;
    return 0;
}

int main(){
    ios::sync_with_stdio(false);
    cout << (solve() ? "Same" : "Different") << '\n';
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 9ms
memory: 3796kb

input:

3
10 0
20 40
30 -15
40 -15
20 0
30 40

output:

Different

result:

ok single line: 'Different'

Test #2:

score: 0
Accepted
time: 292ms
memory: 21684kb

input:

359998
-0.0045 96.8638
-0.0045 -79.2284
-0.0045 -50.4113
-0.0045 -79.0394
-0.0045 -24.9710
-0.0045 -142.9880
-0.0045 50.6344
-0.0045 125.9464
-0.0045 -17.3039
-0.0045 42.3454
-0.0045 130.6138
-0.0045 -106.4363
-0.0045 -95.9378
-0.0045 90.7312
-0.0045 75.7615
-0.0045 -66.9785
-0.0045 -81.0752
-0.0045...

output:

Same

result:

ok single line: 'Same'

Test #3:

score: 0
Accepted
time: 251ms
memory: 16392kb

input:

299998
-0.0045 -42.0335
-0.0045 -106.8631
-0.0045 176.8211
-0.0045 100.6703
-0.0045 168.0453
-0.0045 -100.7977
-0.0045 -31.7881
-0.0045 -43.3799
-0.0045 -87.3392
-0.0045 30.4474
-0.0045 -7.4550
-0.0045 106.5476
-0.0045 -3.9185
-0.0045 -56.8153
-0.0045 -146.7755
-0.0045 -76.6043
-0.0045 57.1774
-0.00...

output:

Same

result:

ok single line: 'Same'

Test #4:

score: -100
Time Limit Exceeded

input:

400000
-57.6217 51.8207
-66.4301 79.8153
68.6538 169.5723
-48.0781 -6.6298
-6.7822 -17.1276
-39.4009 179.3474
63.3867 -77.7996
61.0296 23.9060
-45.3758 41.1641
70.4582 129.4273
-29.7325 -35.5175
-15.3621 31.2737
-23.1798 102.5020
80.7571 -132.1432
-48.3888 -6.5756
18.4703 135.7623
-0.8199 -65.5536
-...

output:


result: